Complete and correctly sequence the steps for drawing Lewis structures. Drag the text blocks below into their correct order. 1. Place the atoms relative to each other. Place the atom with lower group number in the center because it has the higher electronegativity. If atoms add have the same group number, place the atom with the higher period number in the center higher 2. Determine the total number of valence electrons available. For multiple polyatomic ions, add one electron for each negative charge, or subtract one electron for each positive charge. 3. Distribute the remaining electrons as pairs so that each atom ends up with eight electrons (or single two for H). First place tone pairs on surrounding more electronegative) atoms to give each an ostet. If any electrons remain, place them on the central atom. Then check that each atom has eight eight electrons4. If the central atom still does not have an octet, make a multiple bond by changing a lone pair from one of the surrounding atoms into a bonding pair to the central atom. 5. Draw a single bond from each surrounding atom to the central atom, and add two valence electrons for each bond.one surroundingbonding addpairs higherfour multipletwo octetsingles siglelone eightvalence substractsix moreless centrallower core

Answers

Answer 1

Sort the atoms in order of proximity to one another. The atom with the lowest group number should be positioned in the middle since it has the lowest electronegativity. If the group number of two atoms is the same

What do Lewis structures show?

Of Lewis structures, the valence electrons of the atoms in a molecule are shown. They are also known as electron dot structures or Lewis dot structures.

Why is the Lewis structure important? What is it?

The valence electrons of atoms and molecules are easier to visualize using these Lewis symbols and structures. An extremely simplified representation of a molecule's valence shell electrons is provided by a Lewis Structure. It serves to illustrate how certain atoms are surrounded by electrons in a molecule.

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Related Questions

Balance the following redox reaction in basic solution Ag(s)+CN−(aq)+O2(g)→Ag(CN)−2(aq)Ag(s)+CN−(aq)+O2(g)→Ag(CN)2−(aq) cyanide is not participating in the electrochemical reaction but does associate with the silver ion formed in a second association reaction

Answers

To balance the redox reaction in basic solution between cyanide and silver, first write the unbalanced equation containing all the reactants and products of the chemical reaction.

Unbalanced redox reaction

Ag(s) + CN-(aq) + O2(aq) → Ag(CN)2- + OH-(aq)

Subsequently, the redox reaction is divided into partial reactions, that is, the oxidation and reduction reactions are indicated, determining the oxidation numbers of each atom that appears in the reaction.

Reaction with oxidation numbers

Ag0 + C+2N-3- + O02 → Ag+1(C+2N-3)2- + O-2H+1-

The redox pairs of all atoms that have been oxidized and all atoms that have been reduced are then identified.

Subsequently, the redox couples combine in two partial reactions: one oxidation and one reduction.

Balance of atoms in partial equations

Then the atoms in the partial equations are balanced by adding the appropriate coefficient in front of the formula.

Ag0 + 2CN- → Ag+1(C+2N-3)2- + e-

Next, the number of electrons lost and received is equalized, we will multiply the two equations by the factor that will give the least common multiplier.

Addition of partial equations

Add the partial equations so that on one side are all the products and on the other are all the reactants.

4Ag0 + O02 + 8CN- + 4e- + 4H2O → 4Ag+1(C+2N-3)2- + 2H+12O-2 + 4e- + 4OH-

Obtaining the simplified redox equation

The equation is reduced by dividing by the greatest common divisor so that the coefficients are the minimum possible.

4Ag0 + O02 + 8CN- + 2H2O → 4Ag+1(C+2N-3)2- + 4OH-

Finally, the balance of charges and elements is verified.

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Calculate the number of moles of mno4- in 20.1 ml of 0.020 m potassium permanganate solution.

calculate the number of moles of hydrogen peroxide needed to react with 20.5 ml of 0.020 m potassium permanganate solution.

Answers

The number of mole is 0.402 mol

al2o3 is properly named aluminum oxide, but n2o3 is named dinitrogen trioxide. explain fully why one name uses greek prefixes and the other does not.

Answers

Al2O3 does not use Greek prefixes since it is an ionic compound, while N2O3 does use Greek prefixes since it is a molecular compound.

What is molecular compound?

A molecular compound is a chemical compound consisting of two or more atoms held together by covalent bonds. Covalent bonds are formed when atoms share one or more of their electrons with another atom in order to complete their outer electron shell.

The main difference between Al2O3 (aluminum oxide) and N2O3 (dinitrogen trioxide) is that Al2O3 is an ionic compound (made up of charged ions) and N2O3 is a molecular compound (made up of covalently bonded molecules). Therefore, the naming conventions for these two types of compounds are different. For ionic compounds, the name includes the names of the cation and anion (aluminum and oxide, respectively) and their charges (Al2+ and O3-). For molecular compounds, the prefixes are taken from the Greek language to indicate the number of atoms of each element in the molecule (di- for two nitrogen atoms and tri- for three oxygen atoms). Therefore, Al2O3 does not use Greek prefixes since it is an ionic compound, while N2O3 does use Greek prefixes since it is a molecular compound.


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Calculate the mass of vanadium(v) oxide (v2o5) that contains a million (1.0 *10^6) vanadium atoms. be sure your answer has a unit symbol if necessary, and round it to 3 significant digits.

Answers

A million (1.0 ×10^6) vanadium atoms are present in 1.510 ×10^13 g of vanadium(v) oxide (v2o5).

Vanadium atom count: 1,000 to 10^^9 atoms

Step 2: Determine the V2O5 molecules with 1.000× 10^9 V atoms.

V2O5 molecules contain 2 V atoms each.

0.5000× 10^9 molecule V2O5 = 1.000 109 atom V (1 molecule V2O5/2 atom V)

Step 3: Determine the number of moles that equate to 0.5000× 10^9 molecules of V2O5.

We shall utilize Avogadro's number: 6.022 x 10^23 molecules of V2O5 make up 1 mole of the substance.

1 mol/6.022 10^23 molecules divided by 0.5000 109 molecules equals 8.303 10^16 molecules.

Step 4: Determine the mass equal to 8.303 1016 moles of V2O5.

V2O5 has a molar mass of 181.88 g/mol.

8.303 × 10⁻¹⁶ mol

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C6H12O6 (glucose) + 6O2 → 6 CO2 + 6H2O
Where is most of the water in this reaction produced?
a. fermentation
b. Krebs cycle
c. glycolysis
d. electron transport chain

Answers

According to the claim made, an electron transport chain produces the majority of water.

What does the term "reaction" in chemistry mean?

In a chemical reaction, one or more chemicals, usually known as reactants, change into same or more other compounds, frequently referred to as products.

In this process, the electron transport chain is where the majority of the water is created. Either NADH or FADH2 contribute high energy electron carriers chain. When an electron enters an electron transport chain, its energy steadily decreases. Most of the water generated in the aforementioned process is created by low-energy electron reduction of oxygen molecules.

When 2-phosphoglycerate is transformed into phosphoenol pyruvate during the glycolysis process, two droplets are created for every molecule of glucose. At the stage where Acetyl-CoA exits the Kreb Cycle but also is coupled to Oxaloacetate by Hydroxide Synthase to form Sulphate and at the step where Fumerate is reduced to Malate by Water with the aid of Fumerase, two water molecules are input into the Kreb Cycle. Ethanol, lactic acid, carbon dioxide, and hydrogen gas are byproducts of fermentation. Therefore in method, there is no byproduct of water.

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Using stoichiometry, determine the amount of baking soda, in grams, needed to react with the grams of acetic acid in
15.0 mL of vinegar. Show all work.

Answers

Answer:

Explanation:

15.0 mL of vinegar is equivalent to 15.0 g of vinegar, since the density of vinegar is 1.0 g/mL. Vinegar is composed of mostly acetic acid (CH3COOH) and water. The density of acetic acid is 1.05 g/mL, so 15.0 mL of vinegar is equivalent to approximately 14.3 g of acetic acid.

The balanced equation for the reaction between sodium bicarbonate (baking soda) and acetic acid is:

NaHCO3 + CH3COOH → NaCH3COO + H2O + CO2

For every mole of acetic acid, we need one mole of sodium bicarbonate. We can use the molar mass of acetic acid (60.05 g/mol) and sodium bicarbonate (84.01 g/mol) to calculate the amount of baking soda needed.

14.3 g of acetic acid x (1 mol/60.05 g) = 0.238 mol acetic acid

0.238 mol acetic acid x (84.01 g/mol) = 19.9 g baking soda

Therefore, 19.9 g of baking soda is needed to react with the 15.0 g of acetic acid in 15.0 mL of vinegar.

a synthesis reaction takes place when carbon monoxide (co) and hydrogen gas (h2) react to form methanol (ch3oh). how many grams of methanol are produced when 7.0 grams of carbon monoxide reacts with 2.5 grams of hydrogen gas? 7.0 grams 8.0 grams 15 grams 20 grams

Answers

8.0 grams are created when 2.5 grams pure hydrogen gas and 7.0 gram of carbon monoxide react.

Carbon monoxide: What is it?

Colorless and odorless, monoxide (CO) seems to be a gas. It is emitted by a number of combustion, including as cars, electric utilities, wildfires, and incinerators, and it is caused by the fuel burning of carbon-containing fuels like oil and gas, gasoline, etc wood.

What causes carbon monoxide?

A substance called carbon cyanide is created when shale gas or other carbon-containing materials are burned partially. This includes production emissions, fires, malfunctioning heaters, and exhaust.

Gram to mole conversion,

Grams * (1 mol)/ grams "

Moles of CO,

= 7.0 g*(1 mol)/(28.01 g)

= 0.249 mol CO

Moles of H2,

= 2.5 g*(1 mol)/(2.016 g)

= 1.240 mol O2

Mass of methanol,

0.249 mol CO * (1 mol CH3OH) /mol CO*

= 1mol CH3OH /32.04gCHOOH

=0.0077 mol CH3OH

= 0.008 molCH3OH

= 8.0 grams

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Answer:

8.0

Explanation:

I took the test

state what happens to the potential energy of a sample of co2 molecules during this phase change of co2

Answers

The potential energy of CO2 just increases.

Definition of Potential Energy

Potential energy is the energy that exists in an object because of the object's location in a force field.

The elements that influence the existence of potential energy are gravity, the mass of objects, and the height of objects.

Characteristics of Potential Energy

The characteristics of potential energy are as follows.

- Every object that has gravitational potential energy can do work or work, if the object is towards the surface of the Earth.

- Potential energy is affected by the acceleration due to gravity and the height of the object.

- The higher and the greater the mass of an object, the greater the potential energy.

- If the object is above the ground, then the potential energy is zero.

- Potential energy possessed by objects because of their position relative to the earth.

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which of the following has 6.02 x 10^23 atoms a. 1 mole of argon b. 1 mole of oxygen gas c. 1.0 g of hydrogen d. 16.0g of oxygen gas

Answers

1 mole of argon and 16.0g of oxygen gas has 6.02 x 10^23 atoms. Thus Option A and Option D are the answers.

A mole is a unit of measurement used in chemistry to represent the amount of a substance. It is defined as the number of entities (atoms, molecules, ions, etc.) in a substance that is equal to Avogadro's number, which is 6.02 x 10^23.

This number is the same for any substance, regardless of its atomic or molecular weight. The mole is used to convert between mass and number of atoms or molecules.

For example, 1 mole of a substance contains 6.02 x 10^23 atoms or molecules, and the mass of 1 mole of a substance is its molar mass, which can be found from its chemical formula or atomic weight. In the case of the options presented, 1 mole of argon and 16.0g of oxygen gas both contains 6.02 x 10^23 atoms, which is the Avogadro's number.

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What is found outside the nucleus of the atom and is the location of all electrons in the atom?

Answers

Answer:

Unlike protons and neutrons, which are located inside the nucleus at the center of the atom, electrons are found outside the nucleus. Because opposite electric charges attract each other, negative electrons are attracted to the positive nucleus.

One result of climate change is that ocean temperatures are increasing. If the temperatures continue to rise, what effect will that have on the oceans’ ability to retain CO2? How might this change affect the atmosphere?

Answers

Sea level rise, ocean heat waves, coral bleaching, and the melting of ocean-terminating glaciers and ice sheets around Greenland and Antarctica are all effects of rising ocean heat content.

What is the impact of climate change on the ocean?

About 90% of the heat produced by growing emissions has already been absorbed by the ocean as of today. Unprecedented cascade repercussions result from the ocean's temperature shift as a result of the extra heat and energy.

What causes an increase in ocean temperature?

Sea surface temperatures are rising and the sea level is rising as a result of the oceans absorbing more heat as a result of greenhouse gas emissions. Climate patterns will shift as a result of changes in ocean temperatures and currents brought on by climate change.

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Select the gas with the highest average kinetic energy per mole at 298 K.
a. Rn
b. H2
c. He
d. H2O
e. CO2
f. All have the same average kinetic energy.
g. O2
h. CH3CH2CH3

Answers

He (c). He has the highest average kinetic energy per mole at 298 K.

What is kinetic energy?

Kinetic energy is the energy of motion. It is energy that an object has because of its motion. Kinetic energy can be found in both moving objects and particles, such as a ball rolling down a hill, a car moving down a highway, or electrons moving around an atom. Kinetic energy is determined by the mass of the object and its velocity.

Because it has the most number of atoms per mole compared to the other gases listed (2 atoms per mole for He, compared to 2 atoms per mole for H2, 16 atoms per mole for H2O, and 32 atoms per mole for CO2). The higher number of atoms per mole means more kinetic energy per mole, resulting in He having the highest average kinetic energy per mole.

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Why are some areas of Earth concentrated with minerals while others are not? *
-some areas of Earth have past or current volcanic activity
-some areas of Earth were swamps in the past
-minerals can only form near water

-the climate in certain areas is ideal for mineral formation

SCIENCE WORK*

Answers

Some areas of earth is concentrated with minerals because, some areas of earth have past or current volcanic activity. Hence, option A is correct.

What are minerals ?

Minerals are naturally occurring inorganic compound with a definite composition and crystalline structure. For example, calcium carbonate, iron oxide etc. are mineral deposits.

Aluminum, diamonds, gold, nickel, lead, zinc, and copper minerals are produced or hosted by volcanoes directly or indirectly. The majority of these materials are used regularly by humans, and throughout the course of our lifetimes, we use significant amounts of certain of these minerals.

Many of the most significant metals that are mined on Earth had their beginnings in volcanic settings, either directly or indirectly. For instance, a volcanic rock may never reach the surface of the earth and will thus cool slowly in plutonic conditions.

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For each of the following substances, identity the intermolecular force or forces that predominate. NaCl dispersion a. dispersion
b. ionic c. dipole-dipole d. H-banding

Answers

NaCl is an ionic compound, as stated in the second sentence on each of the substances.

What are instances of intermolecular forces?

Intermolecular forces operate between molecules. In contrast, intramolecular pressures are produced by molecules themselves. Intermolecular forces are less powerful than intramolecular forces. Intermolecular forces include the Interatomic force, particle contact, ion-dipole involvement, and interactions by van der Waals to name a few.

intermolecular forces definition What two sorts do they have?

The two primary categories of intermolecular interactions are attracting forces as well as repulsive forces. Electrostatic forces are principally responsible for the attraction. The connection between four or more material elements, nevertheless, could also be caused by other factors.

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Which one of the following would form a precipitate when mixed with aqueous Ba(NO3)2? A) NazSO4 B) KCl C LiCzH;Oz D) CsOH E) None of these would form a precipitate.

Answers

The one would from a precipitate when mixed with the aqueous solution of Ba(NO₃)₂ is Na₂SO₄.

The  Na₂SO₄ with the Ba(NO₃)₂ would form the precipitate when mixed in the aqueous solution. The reaction is given as :

Ba(NO₃)₂(aq)  +  Na₂SO₄(aq)   ---->    BaSO₄(s)  +  2NaNO₃(aq)

The BaSO₄ is the  insoluble specie form in this reaction. The ionic equation is written as follows :

Ba²⁺  +  2NO₃⁻  +  2Na⁺  +  SO₄²⁻  ---->   BaSO₄  +  2Na⁺  +   NO₃⁻

The BaSO₄ is insoluble and form as a precipitate . It does not froms the ions in the solid state.

Thus , the correct option is A)  Na₂SO₄.

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ammonia chemically reacts with oxygen gas to produce nitric oxide and water . what mass of nitric oxide is produced by the reaction of of ammonia? be sure your answer has the correct number of significant digits.

Answers

The answer is not provided, as the amount of nitric oxide produced depends on the amount of ammonia used in the reaction.

What is nitric oxide?

Nitric oxide (NO) is a colorless and odorless gas that acts as a signaling molecule in the human body. It is produced within the cells of many organisms, including humans, and plays an important role in many physiological and pathological processes. It is a key component of the cardiovascular system, where it is responsible for regulating blood pressure, dilating arteries, and preventing platelet aggregation. NO also acts as a neurotransmitter in the nervous system, where it is involved in learning, memory, and pain modulation. In addition, it has anti-inflammatory and anti-tumor properties and is involved in wound healing and immune functioning. NO also plays a role in the regulation of cell metabolism and growth.


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Match the following parts of the earth with the correct definition. 1. solid, outer layer of the earth core 2. layer between the crust and the core asthenosphere 3. semi-liquid region directly beneath the crust mantle 4. made of iron and nickel hydrosphere 5. the water covering the surface of the earth crust

Answers

1) crust 2)mantle 3) asthenosphere 4)core 5) hydrosphere are the correct matches for the given options.

Iron is what?

A atomic number 26 & chemical symbol Fe are given to the element iron. It is a metal that belongs to the first transition series and the eight group of a periodic table. It is the most common element on the planet by mass, just above of oxygen, and makes up a significant amount of both the outer and inner core of the planet.

how is iron used by the body?

Iron is found in substantial amounts in hemoglobin, a type of protein found in red blood cells that delivers oxygen from lungs to each and every part of the body. If the body doesn't have enough iron, it won't produce enough red blood cells to deliver oxygen, which leads to fatigue.

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which amount has the greatest mass? responses 1 mole of sodium 1 mole of sodium 1 mole of oxygen 1 mole of oxygen 1 mole of chlorine 1 mole of chlorine 1 mole of uranium

Answers

Simply compare the options' masses to determine which has the highest mass as each has only one mole. The most abundant element is uranium, which has roughly 238 amu.

A chemical compound's mass M is equal to its amount of material, expressed in moles, multiplied by its mass. Calculators for molar mass, molecular weight, and elemental makeup can be found online. One mole of sodium atoms contains around 23 grams or 1 Na atom, which has an estimated mass of 23 u. The approximate mass of one oxygen atom is 16 u, or around 16 g, for one mole of oxygen atoms. One mol of chlorine atoms has an approximate mass of 35.453 grams, or 35.453 u for one chlorine atom. Finally one uranium contains 238u. Compared with other molecules uranium has the greatest mass.

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consider the molecule hclo3.what is the electron domain geometry of the central chlorine atom in this molecule? tetrahedralwhat is the molecular geometry of the central chlorine atom in this molecule? tetrahedralanswer 1:tetrahedral answer 2:tetrahedral

Answers

Electron domain geometry of the central chlorine atom in this molecule has one lone pair on the core Cl atom, due to it's existence the structure of HClO3 has a trigonal pyramidal.

Is trigonal planar HClO3?

Trigonal planar bond angle is 1200. But because there are numerous double bonds and lone pairs, the bond angle around the core Cl atom is less than 1200.

What are geometries for electron domains?

Two single bonds and two nonbonding lone pairs make up the four domains of H2O. The steric number is another name for the electron domain. The configuration of the electron domains that surround the primary atom in a molecule or ion is known as the electron domain geometry.

What class of substance is HClO3?

The formal precursor of chlorate salts is chloric acid, often known as HClO3, which is an oxoacid of chloride.

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Decide which of these pairs of reactants react, and write word equations for the reactions; magnesium and copper oxide; zinc and magnesium oxide; zinc and copper sulfate solution.

Answers

Answer:

Mg + CuO2 = MgO + Cu+

Zn + MgO= ZnO + Mg

Zn + Cuso4 = ZnS + SO2 + Cu

what are the conditions for reaction like are they cocentrated?

mg(hso3)2 decomposes into a solid x, h2o vapor, and so2 gas. if 186 g of mg(hso3)2 decomposes completely and leaves behind 40 g of solid x, what is the identity of x?

Answers

mg(hso3)2 breaks down together into solid x, water vapor, then so2 gas. This figure is reasonably near to an established rate of 36 g for verify the outcome when 186 g o mg(hso3)2 completely decomposes & leaves only 40 g pure solid.

What does "decompose" mean in practice?

When one reactant splits to two or more products, it is called a decomposition reaction. The general equation AB A + B can be used to describe this. Hydrogen peroxide breaking down into water and oxygen and water breaking down into hydrogen and oxygen are both examples of decomposition reactions.

What is the opposite of decompose?

Decompose has a number of frequent synonyms, including decay, putrefy, rot, & ruin. All of these terms refer to "to experience destructive disintegration," but the word "decompose" emphasizes a breakdown by chemical change and, when used in reference to biological stuff, a corruption

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In order to change the mass number of a given atom, which of the subatomic particles below could we change the number of without changing the identity (element) of the atom

Answers

Option C: Neutron is the subatomic particles that could be changed without changing the identity of the atom.

The number of protons in an atom is indicated by the atomic number. As a result, when the amount of protons changes, the atomic number also changes, changing the element's identity. An element's atomic mass changes when its neutron count is altered, but its identity is preserved. An element's charge changes as its electrons are lost or acquired, but its identity is unaffected. Thus, option C is the correct choice.

Protons, neutrons, and electrons are the three subatomic particles that make up an atom. Neutrons are neutrally charged particles, whereas protons are positively charged. The opposite of this is true of electrons, which have a negative charge. Protons and neutrons are found in the nucleus of an atom. An element's atomic number allows it to be recognised from other elements.

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Complete question is:

In order to change the mass number of a given atom, which of the subatomic particles below could we change the number of without changing the identity (element) of the atom

a. electron

b. proton

c. Neutron

How many solutions does this equation have?
-8 + 3u = 3u - 8
no solution
one solution
infinitely many solutions

Answers

Answer:

infinitely solutions

Explanation:

if it's the same thing on both sides its infinitely solutions

two groups of students compare their winch results from an efficiency lab. the results are above. what explanation best explains why group 1 has a higher efficiency?

Answers

The group 1 has a higher efficiency because group 1 has a higher output power.

Efficiency - What Is It?

Efficiency in chemistry is a comparison of the energy input and output in a specific system. Its definition is given by the equation and is expressed as the proportion of output to input energy: The representation of energy in the form of heat or power using this equation is quite common.

Efficiency is a function of input and output. Including waste and spoilage, output is the total amount of productive work completed (or work output). To create a percentage, efficiency is simply multiplied by 100.

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How many atoms are in 144.6g Tungsten, W ?

Answers

Answer:4.7374*10^23 atoms

Explanation:

Number of atoms in 144.6g tungsten,

Moles=Given mass/molecular mass

n=144.6/183.84

n=0.7865

Number of atoms=n*Na

Number of atoms=0.7865*6.023*10^23

Number of atoms=4.7374*10^23

A positron is a particle emitted from the nucleus that has the same mass as a(n) a. neutron but has a positive charge b. alpha particle c. proton emitted from the nucleus d. beta particle e. electron but has a positive charge

Answers

A positron is a particle emitted from the nucleus that has a positive charge and same mass as an electron.

What is an electron?

An electron is a subatomic particle with a negative charge that can be free or bound to an atom. One of the three primary types of particles found within an atom is an electron that is bound to it; the other two are protons and neutrons.

A positron is the antiparticle of an electron. This means that it has the same mass as an electron but has the opposite charge. The mass of a particle is determined by the properties of the particle itself, while the charge is determined by the interaction of the particle with other particles or fields. The fact that positrons have the same mass as electrons but have a positive charge is a fundamental property of the universe and is a result of the symmetries that govern the behavior of subatomic particles.

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How many molecules are in a sample of water with a mass of 44.99 grams

Answers

Answer:

44.99

g

18.01

g

m

o

l

1

 

×

N

A

, where

N

A

=

Avogadro's number

6.022

×

10

23

m

o

l

1

.

Explanation:

Pant A Classify these amino acids as acidic basic, neutral polar neutral nonpolar Drag each item t0 the appropriate bin: View Available Hint(s) Reset Help Acidic Basic Neutral polar Neutral nonpolar NHz NHz CHz CH; CHz CHz CHz HSN COO CHz HSn COO CHz Asn COO CHs Hn COO Lewcing Angirine Axrargine Alarire Submit Previous Answers Incorrect; Try Agaln; 2 attempts remaining

Answers

Classification of given amino acids are done according to question.

Part A: Leucine: Neutral nonpolar

Asparagine: Neutral polar

Glutamine: Neutral Polar

Alanine: Neutral Nonpolar

Arginine: Basic

Part B:

Methionine: neutral nonpolar

Proline: Neutral Nonpolar

Serine: Neutral polar

Lysine: Basic

Phenylalanine: neutral nonpolar

What are the top three amino acids?

Unlike non-essential amino acids, your body cannot make BCAAs, so they are regarded as essential. As a result, it is imperative to include them in your diet. Leucine, isoleucine, and valine make up the trio of BCAAs. They are all thought to be necessary for the human body and all have branched molecular structures.

More than one -COO⁻ group can be found in the structures of basic amino acids, while more than one NH₃⁺ group can be found in the structures of acidic amino acids. An amino acid becomes polar when it contains polar side chains like -OH or amide.

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a 10.000-l tank of nitrogen contains 4.000 moles of gas at 22.00c. calculate the expected pressure if neon was an ideal gas

Answers

The pressure of the gas can be determined using ideal gas equation. The pressure of neon in the tank is 9.7 atm.

What is ideal gas equation ?

Ideal gas equations states the relation between volume, pressure, temperature and number of moles of gas as written below:

PV = nRT.

Where R is the universal gas constant equal to 0.082 L atm/K mol.

Given the volume of the tank  V = 10 L

number of moles n = 4 moles

temperature  = 22 ° C = 295 k

Then pressure P = nRT/V.

Pressure of neon gas = 4 moles × 295 K× 0.082 L atm/K mol /(10 L)

P = 9.7 atm.

Therefore, the pressure of the neon gas in the tank is 9.7 atm.

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Complete and balance the following half-reaction: Mo^3+(aq)→Mo(s) (acidic solution)
Express your answer as a chemical equation. Identity all of the phases in your answer

Answers

The reactants are in the aqueous phase, while the product is in the solid phase and water is in the liquid phase.

What is aqueous phase?

Aqueous phase is a term used to describe a solution in which water is the solvent. This type of solution is commonly used in chemistry, as water is an excellent solvent for many different types of compounds. In an aqueous solution, the molecules of the solute are dissolved into the water molecules and are then evenly distributed throughout the solution. This process is driven by the strong intermolecular forces between water molecules, which allows them to attract and form strong bonds with other molecules.

Mo^3+(aq) + 3e⁻ → Mo(s)
The balanced redox reaction takes place in an acidic solution, so H+ ions are also consumed in the process. Therefore, the balanced equation is:
Mo^3+(aq) + 3H+(aq) + 3e⁻ → Mo(s) + 3H2O(l)
The reactants are in the aqueous phase, while the product is in the solid phase and water is in the liquid phase.

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