Answers
Related Questions
Select the equation that has the following mole ratio:
2:6:2:3
a
Li3PO4 + 3KCl → 3LiCl + K3PO4
b
NaOH + HCl → NaCl + H2O
c
Na2O + CaCl2 → 2NaCl + CaO
d
2Al + 6HCl → 2AlCl3 + 3H2
Answers
The chemical equation which has the given mole ratio is 2 Al + 6 HCl → 2 AlCl₃ + 3 H₂.
What is chemical equation?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
Learn more about chemical equation,here:
https://brainly.com/question/28294176
#SPJ1
Give the coordination number and charge of the central metal ion of the complex cation and then, separately, the complex anion in the coordination compound [cr(nh3)6][cr(cn)6].Give a systematic name for the following formula: [cr(nh3)6][cr(cn)6]
Answers
The coordination number and charge of the central metal ion of the complex cation [Cr(NH3)6]3+ in the coordination compound [Cr(NH3)6][Cr(CN)6] is 6 and 3+ respectively.
The coordination compound [Cr(NH3)6][Cr(CN)6] is composed of two ions: the complex cation [Cr(NH3)6]3+ and the complex anion [Cr(CN)6]4-. The complex cation [Cr(NH3)6]3+ is formed by the central metal ion, chromium (Cr), and six ammonia (NH3) molecules. The coordination number of the central metal ion in this complex cation is 6, which means it has six ligands (NH3) surrounding it. The charge of the central metal ion in this complex cation is 3+, which means it has lost 3 electrons. The complex anion [Cr(CN)6]4- is formed by the central metal ion, chromium (Cr), and six cyanide (CN) molecules. The coordination number of the central metal ion in this complex anion is 6, which means it has six ligands (CN) surrounding it. The charge of the central metal ion in this complex anion is 4-, which means it has gained 4 electrons. The systematic name for the formula [Cr(NH3)6][Cr(CN)6] is hexaamminochromium(III) hexacyanochromate(IV).
learn more about cation here:
brainly.com/question/1333307
#SPJ4
Correctly order the steps necessary to solve for the mass of a product, or second reactant required, given the mass of one of the reactants in a chemical process. Start with the first step at the top of the list. Place these in the proper order. O Convert the given mass into moles using molar mass. Convert moles of A to moles of B using a conversion factor derived from the balanced equation O Convert the moles of the second substance to mass using its molar mass. O Write a balanced equation for the reaction.
Answers
The correct sequence in this case would be-
Each organ system directly contributes to 1. For the reaction, write a balanced equation. Use molar mass to convert the given mass into moles.Use a conversion factor derived from the balanced equation to change moles of A into moles of B. Using the second substance's molar mass, convert the second substance's moles to mass.In terms of size and mass, molecules and atoms are incredibly small. The weight of one sample mole is known as the molar mass. The molar mass is determined by adding the atomic masses (atomic weights) of each atom in the molecule. Use the mass listed in the Periodic Table or Atomic Weight Table to determine the atomic mass for each element.To calculate the molecular mass, multiply the subscript (number of atoms) by the atomic mass of the relevant element and add the masses of all the other elements in the molecule. Typically, molar mass is expressed in either grams (g) or kilograms (kg). The amount of atoms in one mole of the 12C isotope is equal to the amount of particles in 12g (0.012 kg) of the substance. one of the most crucialTo know more about molar mass here
https://brainly.com/question/24236159
#SPJ4
balance the chemical reaction between citric acid and sodium hydrogen carbonate below after you complete the reaction?
Answers
H₃C₆H₅O₇ + 3NaHCO₃ → Na₃C₆H₅O₇ + 3H₂O + 3CO₂ is a balanced equation. In addition to carbon dioxide, the interaction.
The chemical reaction of citric acid and sodium bicarbonate creates sodium citrate and water. The following is the reaction:
H₃C₆H₅O₇ + 3NaHCO₃ → Na₃C₆H₅O₇ + 3H₂O + 3CO₂.
To draw its Lewis structure, we see that a hydrogen is bonded to a Sulphur, suggesting that there would be no hydrogen bonding, but the shape is curved, showing that Sulphur and hydrogen have different electronegativity. As a result, this is a polar molecule with dipole-dipole as the most powerful force. The following molecule is non-polar and consists of only two atoms. Chemical reaction between citric acid and sodium hydrogen carbonate below after you complete the reaction.
learn more about Lewis structure here:
brainly.com/question/20300458
#SPJ4
The complete question is:
Balance the chemical reaction between citric acid and sodium hydrogen carbonate below after you complete the reaction?
H₃C₆H₅O₇ + NaHCO₃ → Na₃C₆H₅O₇ + H₂O + CO₂
does the frequency of the electromagnetic radiation released when excited electrons return to ground state rely on which orbits ?
Answers
Frequency of the electromagnetic radiation wavelength excited electrons return to ground state rely on which orbits.
What is meant by electromagnetic ?
The electromagnetic force that exists between electrically charged particles is the subject of the branch of physics known as electromagnetism.One of the four fundamental forces, the electromagnetic force, manifests electromagnetic fields like magnetic fields, electric fields, and light.Radio and television waves, microwaves, infrared rays, visible light, ultraviolet light, X-rays, and gamma rays are all examples of electromagnetic waves that propagate across space independently of matter.They are all referred to as electromagnetic radiation by scientists. Since the electric and magnetic fields are oscillating, the waves of energy are known as electromagnetic (EM). They are categorized by scientists based on their frequency or wavelength, from high frequency to low frequency.To learn more about electromagnetic refer to
https://brainly.com/question/25847009
#SPJ4
medication order reads: rocephin 0.7 g im q 12 h. supply on hand: rocephin 1 g, reconstitute the 1 g vial by adding 2.1 ml of sterile water for injection. yields 350 mg/ml. give ml
Answers
A doctor issues a prescription for a drug to be taken and writes a prescription order.
What are the 4 different orders for prescription drugs?Medication orders can be divided into four categories: standing orders, single orders, standing orders, and prn orders.
A doctor issues a prescription for a drug to be taken and writes a prescription order. A nurse cannot deliver drugs without a prescription. Before a prescription may be filled, some details must be included in the prescription order.
Generally speaking, a medicine "order" is viewed of as an inpatient medication request, whereas a prescription is thought of as an outpatient medication request. A nurse may typically give a patient an order, while a prescription is something they can complete at the pharmacy.
To learn more about prescription order refer to:
https://brainly.com/question/28163123
#SPJ4
At a certain temperature the vapor pressure of pure chloroform (CHCI3) is measured to be 264. torr. Suppose a solution is prepared by mixing 82.9 g of chloroform and 62.9 g of heptane (C7H16). Calculate the partial pressure of chloroform vapor above this solution. Round your answer to 3 significant digits.
Answers
To determine the partial pressure of chloroform vapor, we can use Raoult's law. According to Raoult's law, a component's partial pressure in a solution is equal to its vapor pressure.
What does Raoult's law entail?
According to Raoult's law, a component's partial vapor pressure in a solution is equal to the vapor pressure of the pure component times the mole fraction present in the solution. Ideal solutions, which are those made up of volatile, unrelated molecules, are those that fall under the purview of this law. The total of the partial vapor pressures of the solution's constituent parts determines its vapor pressure. The ideal solution theory, which is based on Raoult's law, states that the vaporTo learn more about Raoult's law
brainly.com/question/9720507
#SPJ4
ions of which metal would be excpected to have the strongest interactions with water molecules in aqueous solutions
Answers
In aqueous solutions, ions of metals that are highly reactive and have a high charge density (such as those in the Group 1 or Group 2 of the periodic table) would be expected to have the strongest interactions with water molecules.
These metals have a high tendency to lose electrons and form cations, which can interact with the polar water molecules through electrostatic forces, such as hydrogen bonding.For example, ions of sodium (Na+), potassium (K+), calcium (Ca2+), and magnesium (Mg2+) are highly reactive and have high charge densities, and they would be expected to have strong interactions with water molecules in aqueous solutions. These ions are easily dissolved in water and form hydrated ions, which are surrounded by a "shell" of water molecules.In general, ions with a high charge to radius ratio will form stronger bonds with water molecules, so positively charged ions from the left side of the periodic table tend to be more hydrated.
Learn more about hydrogen bonding here:
https://brainly.com/question/15099999
#SPJ4
Select, from the following dienophiles, all that would be more reactive than ethylene in a Diels-Alder reaction.
Answers
A, C, and D are dienophiles that would be more reactive than ethylene in a Diels-Alder process. Electron-drawing groups on the dienophile in general.
hasten Diels-Alder reactions (diene lover). Ethylene reacts slowly in a Diels-Alder reaction, whereas propenal, ethyl propenoate, and the other chemicals listed below are quite reactive. In the Diels-Alder reaction, a diene reacts with a pi bond (often referred to as a "dienophile") to generate a new six-membered ring. Two C-C sigma bonds and a C-C (pi) bond are formed, whereas three C-C pi bonds are broken. All of the following dienophiles are more reactive than ethylene in a Diels-Alder synthesis. A, C, and D are dienophiles that are more reactive than ethylene in a Diels-Alder reaction.
learn more about Diels-Alder here:
https://brainly.com/question/29972519
#SPJ4
Consider the reaction.
PCl5(g)↽−−⇀PCl3(g)+Cl2(g)=0.042
The concentrations of the products at equilibrium are [PCl3]=0.28 M and [Cl2]=0.10 M .
What is the concentration of the reactant, PCl5 , at equilibrium?
Answers
Answer:
0.067 M
Explanation:
The given equilibrium concentrations of the products are [PCl3]=0.28 M and [Cl2]=0.10 M.
Substitute these values into the expression for Kc to find the equilibrium concentration of the reactant, PCl5:
Kc = (0.28 M)(0.10 M) / [PCl5] = 0.042
Solving for [PCl5], you get:
[PCl5] = (0.28 M)(0.10 M) / 0.042 = 0.067 M
Therefore, the concentration of the reactant, PCl5, at equilibrium is 0.067 M.
Ammonia is produced from the reaction of nitrogen and hydrogen according to the following balanced equation: N2(g) + 3H2(g) rightarrow 2NH3(g) What is the maximum mass of ammonia that can be produced from a mixture of 330.0 g of N2 and 420.0 g of H2? g Which element would be left partially unreacted? (enter nitrogen or hydrogen) What mass of the starting material would remain unreacted? g Look at how many grams of ammonia the N2 would produce and how many grams of ammonia the H2 would produce. Watch the mole ratios! Whichever produces the smallest amount of ammonia is the limiting reactant. HINT: After you have found which starting material was used up completely, you know that some of the other starting material is still unreacted. Subtract the reacted material (which you must calculate) from the original amount you had in the beginning, thus finding how much remains unreacted.
Answers
The maximum mass of ammonia that can be produced from a mixture of 330.0 g of N2 and 420.0 g of H2 is 400.7g. Hydrogen is left unreacted. The mass of the Hydrogen would remain unreacted is 349.3g.
What is the limiting reagent?A chemical reaction's limiting reagent is the one that will totally consume all of the reactants. The reaction cannot continue if that reactant is no longer present. It prevents the reaction from intensifying as a result.
The reactant with surplus reagent is the one that would have continued to react if the other had not been used up.
The limiting reactant is the one that is consumed first and establishes a maximum limit on the quantity of product(s) that can be produced.
Calculate the amount of each reactant present and compare it to the amount of each reactant in the balanced chemical equation to determine the limiting reactant.
1) Moles of N2=330/28=11.79
moles of H2=420/2=210
moles of NH3 formed=2*11.79=23.57moles = 400.7g
2) Hydrogen is left unreacted.
3) hydrogen left=210-11.79*3=174.64moles = 349.3g
Learn more about limiting reagent refer to ;
brainly.com/question/26905271
#SPJ4
Assuming all other conditions remain the same, which of the following will cause an object's density to increase?A) Its mass increasesB) its volume increasesC) its atoms move togetherD) all of the above
Answers
Density of an object will increase if its mass is increases or if its atoms move together.
What is density?
Density is defined as the mass of an object per unit volume and is calculated by dividing the mass of the object by its volume.
So, if the mass of the object increases while the volume remains constant, the density will increase. This is because the mass per unit volume will be greater.
On the other hand, if the volume of the object increases while the mass remains constant, the density will decrease. This is because the mass per unit volume will be smaller.
Finally, if the atoms of the object move closer together, the volume of the object will decrease and therefore the density will increase.
Therefore, option A) Its mass increases and C) its atoms move together will cause an object's density to increase. Option B) its volume increases will cause density to decrease.
To learn more about density from the given link:
https://brainly.com/question/952755
#SPJ4
Draw the organic product of the two-step synthesis below. CH3CH2C=CH 1. NaNH2 2. PhCH2Br
Answers
The organic product of the two-step synthesis below is CH3CH2CH2CH2Br.
Step 1: NaNH2 reacts with CH3CH2C=CH to form CH3CH2CH2NH2
Step 2: PhCH2Br reacts with CH3CH2CH2NH2 to form CH3CH2CH2CH2Br.
What is synthesis?
synthesis is the process of combining two or more chemical elements or compounds to form a more complex product. Syntheses can involve a variety of techniques, such as combining two or more different molecules, or using chemical reactions to create new ones. It is an important process in the formation of many products, including drugs and other materials.
Therefore, The organic product of the two-step synthesis below is CH3CH2CH2CH2Br.
To learn more about synthesis
Here: https://brainly.com/question/16281119
#SPJ4
Which of the following compounds are the same?
Compound 1: 1.10 g of H and 8.90 g of O.
Compound 2: 4.95 g of H and 40.05 g of O.
Compound 3: 2.10 g of H and 32.90 g of O.
Compound 4: 4.70 g of H and 60.30 g of O
A. Compounds 1 and 4
B. Compounds 2 and 4
C. Compounds 2 and 3
D. Compounds 1 and 2
Answers
The following includes compounds 2 and 4 that are identical. In chemistry, a compound is a substance that is produced when two or more distinct chemical elements are combined in a particular order.
what are the different types of compounds?Salts and molecular compounds are the two main categories of chemicals. Covalent bonds are the means through which atoms in molecular compounds are joined. It is connected by ionic bonds in salts. All compounds are composed of these two different sorts of bonds.
Compounds are what kind of things?(KOM-pownd) A substance in science that is created through the chemical joining of two or more distinct elements Table salt (NaCl), which is a compound comprised of the elements sodium and chloride, and water (H2O), which are examples of compounds.
To know more about compounds visit:-
https://brainly.com/question/30037191
#SPJ1
select all the reactions in which the oxidation numbers of the reactant species change, that is, are redox reactions.
Answers
The redox reactions are: a) 7O₂ (g) + 2C₂H₆ (l) → 4CO₂ (g) + 6H₂O (l) & c) Cu(OH)₂ (s) + 2HClO₄ (aq) → Cu(ClO₄)₂ (aq) + H₂O (l).
a) 7O₂ (g) + 2C₂H₆ (l) → 4CO₂ (g) + 6H₂O (l) is a redox reaction. Oxygen is gaining electrons and becoming reduced (from O₂ to H₂O) while the carbon in the C₂H₆ is losing electrons and becoming oxidized (from C₂H₆ to CO₂).
b) Co (s) + Cl₂ (g) → CoCl₂ (s) is not a redox reaction, as the oxidation numbers of cobalt and chlorine remain the same on both sides of the equation.
c) c) Cu(OH)₂ (s) + 2HClO₄ (aq) → Cu(ClO₄)₂ (aq) + H₂O (l) is a redox reaction. Copper is losing electrons and becoming oxidized (from Cu(OH)₂ to Cu(ClO₄)₂) while the chlorine in the HClO₄ is gaining electrons and becoming reduced (from ClO₄ to Cl).
d) ZnBr₂ (aq) + 2KOH (aq) → Zn(OH)₂ (s) + 2KBr (aq) is a redox reaction. Zinc is losing electrons and becoming oxidized (from ZnBr₂ to Zn(OH)₂) while the Hydrogen in the KOH is gaining electrons and becoming reduced (from KOH to KBr).
Learn more about redox reactions at
https://brainly.com/question/13293425
The complete question is:
Select all the reactions in which the oxidation numbers of the reactant species change, that is, are redox reactions.
a) 7O₂ (g) + 2C₂H₆ (l) → 4CO₂ (g) + 6H₂O (l)
b) Co (s) + Cl₂ (g) → CoCl₂ (s)
c) Cu(OH)₂ (s) + 2HClO₄ (aq) → Cu(ClO₄)₂ (aq) + H₂O (l)
d) ZnBr₂ (aq) + 2KOH (aq) → Zn(OH)₂ (s) + 2KBr (aq)
#SPJ4
3.3L of a gas is collected at 40 degrees c. What will its volume be if it is heated up to 57 degrees C
Answers
Considering the Charles' law, the volume if it is heated up to 57 degrees C will be 3.48 L.
Charles' lawCharles' law establishes the relationship between the volume and the temperature of a gas sample at constant pressure: when the temperature is increased, the volume of the gas also increases and when the temperature is decreased, the volume decreases.
That is, the volume is directly proportional to the temperature of the gas and is expressed mathematically as:
V÷T= k
where
V is the volume.T is the temperature.k is a constant.Analyzing an initial state 1 and a final state 2, it is fulfilled:
V₁÷T₁= V₂÷T₂
Final volume in this caseIn this case, you know:
V₁= 3.3 LT₁= 40 °C= 313 K (being 0 °C= 273 K)V₂= ?T₂= 57 °C= 330 KReplacing in Charles' Law:
3.3 L÷ 313 K= V₂÷ 330 K
Solving:
(3.3 L÷ 313 K)× 330 K= V₂
3.48 L= V₂
Finally, the final volume will be 3.48 L.
Learn more about Charles' Law:
brainly.com/question/4147359
#SPJ1
?BaF2 + ?K3PO4→ ?Ba3(PO4)2 + ?KF
How many grams of KF could be produced using 0.25 moles of BaF2?
____________g of KF
Answers
1. The balanced equation for the reaction is:
3BaF₂ + 2K₃PO₄ -> Ba₃(PO₄)₂ + 6KF
2. The mass of KF produced using 0.25 mole of BaF₂ is 29 grams
1. How do I write the balanced equation?The balancing of chemical equation is simply done by doing a head count of the different species and ensuring they are balanced on either sides of the equation.
Thus the balanced equation for the reaction is given as shown below:
3BaF₂ + 2K₃PO₄ -> Ba₃(PO₄)₂ + 6KF
2. How do I determine the mass of KF produced?First, we shall obtain the moles of KF produced. This is shown below:
3BaF₂ + 2K₃PO₄ -> Ba₃(PO₄)₂ + 6KF
From the balanced equation above,
3 moles of BaF₂ reacted to produce 6 moles of KF
Therefore,
0.25 mole of BaF₂ will react to produce = (0.25 × 6) / 3 = 0.5 mole of KF
Finally, we shall determine the mass of KF produced. Details below:
Mole of KF = 0.5 moleMolar mass of KF = 39 + 19 = 58 g/moleMass of KF =?Mole = mass / molar mass
0.5 = Mass of KF / 58
Cross multiply
Mass of KF = 0.5 × 58
Mass of KF = 29 grams
Thus, the mass of KF produced is 29 grams
Learn more about mass produced:
https://brainly.com/question/9526265
#SPJ1
(2) The student adds some dilute nitric acid to a burette and does the titration. The equation for the reaction is Ba(OH)₂ + 2HNO, → Ba(NO₂)₂ + 2H₂O The student finds that 21.50 cm' of nitric acid of concentration 0.600 mol/dm³ neutralises 25.0 cm³ of barium hydroxide solution. Calculate the concentration, in mol/dm³, of the barium hydroxide solution.
Answers
Answer:
0.0964, I worked out the moles of barium hydroxide and divided this by two and then divided that by the volume of nitric acid
Explanation:
Answer:
0.258 mol/dm3
Explanation:
Ba(OH)2 + 2HNO3 ---------> Ba(NO2)2 +2H2O
1 : 2 : 1 : 2
0.00645 : 0.0129 : 0.00645 : 0.0129
Moles of Nitric Acid
Moles=Concentration X Volume(dm3)
0.600 X 0.0215
=0.0129 mol
Concentration= Moles/ Volume(dm3)
0.00645/0.025
= 0.258 mol/dm3
In chronic respiratory acidosis, the kidneys compensate by doing which of the following? You may select more than one answer. Choose all that apply. A) Excretion of bicarbonate B) Increased production of ammonia C) Secretion of H+ into renal tubular fluid
Answers
In chronic respiratory acidosis, the kidneys compensate by doing excretion of bicarbonate and increased production of ammonia.
What is bicarbonate?
Bicarbonate is a salt compound composed of sodium and bicarbonate ions. It is also known as baking soda or sodium bicarbonate and is widely used in a variety of applications. In the kitchen, it is used as a leavening agent in baking, and it is also used as a gentle cleaning agent for surfaces and cookware. Bicarbonate is also used in the production of soaps, detergents, and various other products. In the medical field, bicarbonate is used as an antacid to treat acid reflux and other digestive problems. It is also an important electrolyte and acid-base buffer in the body, helping to regulate the pH of the blood.
To learn more about bicarbonate
https://brainly.com/question/30095333
#SPJ4
A metal sample weighs 6.49 x 10-2 lb, is 0.925 in long, 0.0134 m wide, and 3.44 x 10-2 ft thick. The density of the metal is _______ g/cm3.
Answers
Density is an intensive property as it does not depend on the quantity of the substances Whereas mass and volume are extensive property. Therefore, the density of the metal is 6.905g/cm³.
What is density?Density tells about the compactness of the substances, how much dense is the substances in other words. Object that is more denser than water they just sink in the water.
Mathematically,
Density = Mass of the metal ball ÷volume marked on the graduated cylinder
mass =2943.8g
volume= length ×breadth ×height
=0.925×0.0134 ×0.0344
=0.00042m³
=426.3cm³
density= mass/ volume
=2943.8g/426.3cm³
=6.905g/cm³
Therefore, the density of the metal is 6.905g/cm³.
To know more about density, here:
https://brainly.com/question/16894337
#SPJ1
What is the oxidation number of the manganese atom (Mn) in this compound?
MnO₂
+2
O +4
O4
Answers
The correct answer is B) +4. This is because the oxidation number of the manganese atom (Mn) in MnO₂ is +4.
What is oxidation number?The oxidation number of an atom is a number assigned to an element in a chemical compound that indicates the total number of electrons that an atom has lost or gained. Oxidation numbers are typically written with a plus or minus sign to indicate whether an atom has lost or gained electrons. Oxidation numbers can be used to determine the type of reaction taking place in a chemical reaction and the type of bonds formed. Oxidation numbers are also useful for recognizing the oxidation state of an element in a compound. The oxidation number of an atom in its elemental form is always zero.
This is because the oxidation number of oxygen (O) is always -2, and the oxidation number of the compound must add up to 0. Therefore, the oxidation number of Mn must be +4 in order for the compound to have an overall charge of 0.
To learn more about oxidation number
https://brainly.com/question/13182308
#SPJ1
The pH of an aqueous solution is defined as the negative of the logarithm of the concentration of H ion in the solution:
pH-log[H Compute the pH of the solution if the concentration of H ion is 0.02 moles per liter Select one: A. 1.05 B. 2.7 C. 0.95 D. 1.7 E. 0.7
Answers
The pH of an aqueous solution is defined as the negative of the logarithm of the concentration of H ion in the solution is 0.7 .
What is meant by logarithm ?
The logarithm is exponentiation's opposite function in mathematics.This indicates that the exponent to which b must be raised in order to obtain a number x is the logarithm of x to the base b.John Napier developed logarithms in 1614 as a way to make calculations easier.They were quickly adopted by surveyors, engineers, scientists, and navigators to make high-accuracy calculations simpler.Logarithm tables allow for the simple addition and table lookup of arduous multi-digit multiplication processes.The exponential function and the letter e were both introduced by Leonhard Euler in the 18th century, who also gave us the idea of logarithms as we know them today.To learn more about logarithm refer to
https://brainly.com/question/25710806
#SPJ4
if the initial and re-test of total chlorine from the primary carbon tank sample testing port shows a result greater than 0.1ppm, then the teammate should understand:
Answers
Testing is performed after the secondary carbon filter.
What is carbon?
Carbon is the 15th most abundant element in the Earth's crust and the fourth most abundant element in the universe by mass, after hydrogen, helium and oxygen. Carbon's abundance, its unique diversity of organic compounds, and its unusual ability to form polymers at temperatures normally found on Earth allow this element to serve as a common element of all known life. It is the second most abundant element in the human body by weight (about 18.5%) after oxygenTo know more about carbon, click the link given below:
https://brainly.com/question/6836898
#SPJ4
g compound a, c8h10, absorbed 3 equivalents of h2 on catalytic hydrogenation over a pd/c catalyst to give b (c8h16). on ozonolysis, compound a gave, among other things, a ketone which was identified as cyclopentanone. on treatment with nanh2 in nh3, followed by addition of iodomethane, compound a gave a new hydrocarbon, c (c9h12).
Answers
On catalytic hydrogenation, molecule A C8H10 absorbed three equivalents of H2, which indicates that it either possesses one double bond and one triple bonds or three double bonds.
Over a Pd/C catalyst, compound A, C8H10, underwent catalytic hydrogenation and absorbed three equivalents of H2 to generate compound B. (C8H16). Ozonolysis of compound A resulted in the production of many compounds, including the ketone cyclopentanone. Compound A was treated with NaNH2 in NH3, and then iodomethane was added, resulting in the production of a new hydrocarbon, C. (C9H12).
The given chemical A C8H10 has an unsaturation level of
[tex]DU= (Cn+1)-Hn/2 -Xn/2 +Nn/2[/tex]
[tex]DU = (8+1)-10/2[/tex]
[tex]DU = 4[/tex]
The given chemical thus either has four double bonds, four rings, or three double bonds and a ring.
To learn more about ozonolysis click here https://brainly.com/question/13580842
#SPJ4
complete question: Compound A, C8H10, absorbed 3 equivalents of H2 on catalytic hydrogenation over a Pd/C catalyst to give B (C8H16). On ozonolysis, compound A gave, among other things, a ketone which was identified as cyclopentanone. On treatment with NaNH2 in NH3, followed by addition of iodomethane, compound A gave a new hydrocarbon, C (C9H12). Draw the structure of Compound A and Compound B.
Which of the following is most likely to produce a spontaneous reaction?
A. Negative enthalpy
B. Positive enthalpy
C. Negative Entropy
D. Positive Entropy
E. Negative Enthalpy and positive Entropy
Answers
E. Negative Enthalpy and positive Entropy, A spontaneous reaction is most likely to occur when negative enthalpy and positive entropy are present.
A spontaneous reaction is one that favours the creation of products under the reaction's current circumstances. A blaze that is raging and exothermic is an illustration of a spontaneous reaction (there is a decrease in the energy of the system as energy is released to the surroundings as heat). An uninterrupted spontaneous reaction takes place under a certain set of circumstances. With the aid of outside factors like heat or energy, the non-spontaneous reaction occurs. Chemical or biological events that happen on their own, unaffected by extraneous forces or influences, are referred to as spontaneous reactions.
learn more about spontaneous reaction here:
https://brainly.com/question/13790391
#SPJ4
in question 19, we said intermolecular forces would cause pressure to be than predicted. is this observed in model 3?
Answers
Molecules should collide at a smaller volume, the pressure actually applied will be higher than that which was expected.
The phrase "intermolecular forces," or "IMF," refers to the attractive and repulsive forces that form between the molecules of a substance. Through the use of these forces, certain molecules of a substance communicate with one another. Most of the physical and chemical features of matter are caused by intermolecular forces. Pressure is created when gas molecules slam into the container's walls. The elastic bombardment of moving molecules on the walls is what causes this pressure, according to the kinetic theory of gases. Because molecules should collide at a smaller volume, the pressure actually applied will be higher than that which was expected.
Learn more about intermolecular forces from here:
https://brainly.com/question/9007693
#SPJ4
ATP is produced in some of the steps of the glycolytic pathway. For the reactions shown, which produce ATP?
a. Phosphoenolpyruvate → pyruvate
b. 1,3-biphosphoglycerate → 3-phosphoglycerate
c. glyceraldehyde 3-phosphate → 1,3-bisphosphoglycerate
d. Phosphoenolpyruvate → glyceraldehyde 3-phosphate
Answers
The glycolytic process includes some phases where ATP is created. ATP is created from phosphoenolpyruvate.
b. 1,3-biphosphoglycerate → 3-phosphoglycerate - Produces 1 ATP
d. Phosphoenolpyruvate → glyceraldehyde 3-phosphate - Produces 1 ATP
During which steps of glycolysis is ATP produced?
The final product of glycolysis is pyruvate, which is then converted into energy and two ATPs (Glucose + two NAD+, two ADP, and two pi = two pyruvate, two NADH, two H+, two ATP, and two molecules of water). In order to phosphorylate, the hydroxyl groups are necessary.
Glycolysis uses glucose 6-phosphate as a particular type of glucose.
The glycolytic process includes some phases where ATP is created. ATP is created from phosphoenolpyruvate.
At the end of glycolysis, one glucose molecule produces four ATP molecules. There is a net gain of 2 ATP molecules as 2 ATP molecules are lost during the first stage of glycolysis. The creation of two NADH molecules occurs as a side effect of glycolysis.
To learn more about glycolytic process refer to:
brainly.com/question/1966268
#SPJ4
How many significant figures are in each of the following measured quantities? Drag the appropriate items to their respective bins. Help B0 610 000 40C 5.0 x 10-L 15.70L 200686 One TWO Three Four Five So ws
Answers
4.0*10^(-3)L have 2SF, 3.004.0*10^(-3) L has two (SF), 3.00m has three, 50.100,000g has eight, 9018.17kg has six, 80.10 mL has four, and 60.4 degrees Celsius has three. Significant figures are used to construct the number that is provided as digits.
These digits carry a meaningful representation of the numerals. Figures are frequently replaced with meaningful numbers. We can find the number of significant digits by adding up all the values starting with the first non-zero digit on the left. For instance, 12.45 has four important digits. The significant figures of a number are the important or critical digits that correctly convey the meaning of that number. For instance, the number 6.658 has four significant digits. The statistics' precision comes from these enormous sums.
4.0*10^(-3)L have 2SF, 3.00m have 3SF, 50.100,000g have 8SF, 9018.17kg have 6SF, 80.10 mL have 4SF, 60.4degreeC have 3SF.
complete question:How many significant figures are in each of the following measured quantities?
Drag the appropriate items to their respective bins.
4.0*10^(-3)L, 3.00m, 50.100,000g, 9018.17kg ,80.10 mL ,60.4degreeC
1SF ,2SF ,3SF, 4SF, 5SF, 6SF, 8SF
learn more about significant figures refer:brainly.com/question/14359464
#SPJ4
A student writes the chemical equation of the reaction between lead and copper chloride. Pb(s) + CuCl₂(aq) →PbCl₂(aq) + Cu(s) Which option explains the reason for the formation of lead chloride? copper is more reactive than lead lead is less reactive than copper lead and copper are equally reactive lead is more reactive than copper
Answers
As a result of the reaction between lead powder and chlorine gas, solid copper is removed from copper in this displacement process.
A displacement reaction takes place when lead powder is added to a copper chloride solution, resulting in the formation of solid copper.
Lead chloride is created when lead is chlorided.
The lead atom displaces the copper atom in copper chloride, resulting in the production of copper and lead chloride.
As a result, this reaction is also known as a displacement reaction.
Learn more about displacement reaction from here:
https://brainly.com/question/24372098
#SPJ4
Suppose you place 3.85 mL of a substance into a graduated cylinder. The graduated cylinder has a mass of 12.55 g when empty and a mass of 14.75 g after adding the substance.
What is the density of the substance (in g/mL)?
Type answer:
Answers
The density of the substance placed into the graduating cylinder is 0.571g/mL.
How to calculate density?Density is the measurement of the amount of mass per unit of volume. In order to calculate density, you need to know the mass and volume of the item. The formula for density is:
density = mass/volume
According to this question, 3.85 mL of a substance is placed into a graduated cylinder. The graduated cylinder has a mass of 12.55 g when empty and a mass of 14.75 g after adding the substance.
Mass of substance = 14.75g - 12.55g = 2.2g
Density of the substance = 2.2g ÷ 3.85mL = 0.571g/mL.
Therefore, 0.571g/mL is the density of the substance.
Learn more about density at: https://brainly.com/question/29775886
#SPJ1
