Three different areas of science changed significantly in the Scientific Revolution, abstract reasoning, quantitative thought, and an understanding of how nature works.
What is a scientific revolution?Focusing on quantitative analysis, understanding how nature functions, seeing nature as a machine, and developing an experimental scientific method were all hallmarks of the Scientific Revolution.
The world's understanding of the principles of motion and gravity improved thanks to the Scientific Revolution, which also laid the groundwork for several other discoveries and inventions.
Therefore, the Scientific Revolution brought about important changes in three different branches of science: abstract reasoning, quantitative thinking, and an understanding of how nature functions.
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The rate constant for this first‑order reaction is 0.0350 s − 1 0.0350 s−1 at 400 ∘ C. 400 ∘C. A ⟶ products A⟶products After how many seconds will 18.1 % 18.1% of the reactant remain?The rate constant for this first-order reaction is 0.0200 s−1 at 300 °C. A⟶products If the initial mass of A is 16.76 g, calculate the mass of A remaining after 1.77 min.
a) The time that is taken is 48.8 s
b) The mass that is left is 14.6 g
What is the rate constant?We have to know that the rate constant would have to do with the number that shows how much of the reactants have been converted into products within the given time.
Then we have;
ln[A] = ln[A]o - kt
[A] = concentration at time t
[A]o = Initial concentration
t = time taken
k = rate constant
Then;
ln(0.181) = ln(1) - 0.0350 * t
t = -ln(0.181/1) /0.0350
= 48.8 s
b)
[A] = 16.76 - ( 0.0200 * 106.2)
= 14.6 g
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A chemist adds 215.0 mL of a 3.0 mol/L sodium nitrate (NaNO3) solution to a reaction flask. Calculate the mass in grams of sodium nitrate the chemist has added to the flask. Round your answer to 2 significant digits. x10 X S
The chemist added 6.44 g of sodium nitrate to the reaction flask by adding 215.0 mL of a 3.0 mol/L sodium nitrate solution.
when we are dealing with a solution, the concentration is usually measured in molarity (mol/L) which is the number of moles of solute (the substance being dissolved) per liter of solvent (the essence doing the dissolving). In this case, the solution is 3.0 mol/L, which means there are 3.0 moles of sodium nitrate in every liter of solution.
The volume of the solution added to the reaction flask is 215 mL, equivalent to 0.215 L.
By multiplying the concentration (3.0 mol/L) by the volume (0.215 L) we get the number of moles of solute in the solution.
In this case, 3.0 x 0.215 = 0.645 moles of sodium nitrate
The molar mass of sodium nitrate is 84.99 g/mol, which is the mass of one mole of the substance. By multiplying the number of moles of sodium nitrate by its molar mass, we can find the mass of sodium nitrate added to the flask.
0.645 moles x 84.99 g/mol = 54.79 g.
So, in summary, the chemist added 6.44 g of sodium nitrate to the reaction flask by adding 215.0 mL of a 3.0 mol/L sodium nitrate solution.
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identify which of the following functional groups appear in the molecule daumone. (note that some of the functional groups in daumone will not be listed as an answer option) daumone has been isolated and is found to extend life in worms. when caenorhabditis elegans worms find their environment crowded and inhospitable, they hibernate until food becomes available, effectively extending their life span. daumone is the compound that has been found to be responsible for this hibernation.
The functional groups appear in a molecule of daumone :
ethercarboxylic acidalcoholThe functional group is an atom or the group of atoms and the bond that is responsible for chemical reactivity of the members of the homologous series. The same functional group will behave similar. The daumone is the monocarboxylic acid.
The functional groups appear in the molecule of the daumone are the three functional groups. The first is an ether , second one is carboxylic acid and the third one is alcohol. The is isolated and found in the extend life in the worms. The daumone is the compound that is responsible for the hibernation.
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anybody like harry styles?:)
Answer:
he is ok
Explanation:
Answer: Yes but I also love louis and the Larry Stylinson ship theyre so cute!
Explanation:
0>0
Which of the following has the highest heat capacity? O a. 1g of solid lead O b. 2 g of solid lead O c. 10 g of solid lead
10g of solid lead has the highest heat capacity among the following.
Heat capacity is a measure of the amount of heat required to raise the temperature of a substance by a certain amount. The heat capacity of a substance is directly proportional to the amount of the substance, meaning that the more substance you have, the more heat it can absorb before its temperature increases. This is why 10g of solid lead has the highest heat capacity, as it can absorb more heat than 2g or 1g before its temperature increases. This means that 10g of lead will take more energy to raise its temperature by 1 degree, compared to 2g or 1g of lead. Furthermore, heat capacity is also affected by the specific heat of the substance, which is a measure of how much heat energy is required to raise the temperature of a given amount of a substance by one degree.
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what would be the moles, of 1.20 g of sulfur dioxide?
Answer:
[tex]\huge\boxed{\sf n=0.019 \ mol}[/tex]
Explanation:
Given Data:Mass in grams = m = 1.20 g
Molar mass of SO₂ = M = 32 + (16 × 2)
= 32 + 32
= 64 g/molRequired:No. of moles = n = ?
Formula:[tex]\displaystyle n=\frac{m}{M}[/tex]
Solution:[tex]\displaystyle n = \frac{1.20}{64} \\\\n=0.019 \ mol\\\\\rule[225]{225}{2}[/tex]
Which one of the following is not a valid value for the magnetic quantum number (ml) of an electron in a 5d subshell?A. 0B. -1C. 3D. 2
3 is not a valid value for the magnetic quantum number (ml) of an electron in a 5d subshell.
What is Quantum number?Quantum number is a mathematical concept used to describe the state of a quantum mechanical system, such as an electron in an atom. It is a numerical representation of the energy, angular momentum, and other properties that describe a quantum system. Quantum numbers are used to identify individual particles and to determine which energy levels of the system are available to the particle. They are essential for understanding the structure and behavior of atoms and molecules.
The magnetic quantum number (ml) describes the orbital angular momentum of an electron, and it has a maximum value of ml = l = 2 for the 5d subshell. Therefore, the only valid values for ml in a 5d subshell are -2, -1, 0, 1, and 2, so C. 3 is not a valid value.
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Metalloid in group 4A
Answer:
Group 4A of the periodic table includes the metalloids silicon (Si) and germanium (Ge), boron, arsenic, antimony, tellurium and polonium, etc
Explanation:
hope it helps<3Which of the following is true regarding sign of heat and work?A.Heat absorbed by the system has positive sign. Heat released to the surrounding has negative sign. Work done on the system has positive sign. Work done by the system has negative sign.B.Heat absorbed by the system has negative sign. Heat released to the surrounding has positive sign. Work done on the system has positive sign. Work done by the system has negative sign.C.Heat absorbed by the system has negative sign. Heat released to the surrounding has positive sign. Work done on the system has negative sign. Work done by the system has positive sign.D.Heat absorbed by the system has positive sign. Heat released to the surrounding has negative sign. Work done on the system has negative sign. Work done by the system has positive sign.
The correct answer is A) The following statements about heat and work are correct. The mechanism absorbs heat with a positive indication. Heat discharged into the environment has a negative indication.
Positive results have been obtained through system work. The system's work has a negative indication. Sign Heat and Work Conventions The signs 'w' and 'q' represent changes in internal energy. When 'w' or 'q' is positive, it indicates that energy has been delivered to the system in the form of work or heat. The heat produced by the system equals q negative. The system's work equals w negative.The following statements about heat and work are correct. The mechanism absorbs heat with a positive indication. Heat discharged into the environment has a negative indication. Positive results have been obtained through system work. The system's work has a negative indication.
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a student is given the task of determining the molar concentration of a cuso4 solution using two different procedures precipitation and spectrophotometry
The correct option which can help in defining this question is- M1V1 = M2V2 50 X 0.05 = 0.1 X V2 V2 = 25 ml H
Procedure for precipitation:
In this procedure, the Cuso4 solution is mixed with a known quantity of potassium chromate (K2CrO4). A yellow precipitate develops as a result. Filtering the solution and drying the precipitate yields the amount of this precipitate. The molar concentration of the solution is then determined using the mass of the precipitate.Procedure for Spectrophotometry:
The method of spectrophotometry is used to gauge how much light a sample has absorbed. A specific wavelength of light is used in this process to pass through the Cuso4 solutionThe solution's molar concentration is then determined by measuring the amount of light that is absorbed.The molar concentration of the Cuso4 solution can be calculated by combining the outcomes from both the precipitation and spectrophotometry procedures.To know more about molar concentration here
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How the speed of the cart changed when it was given a quick tap in the direction it was already moving, and its speed increased from 20 cm/s to 40 cm/s.
When the cart was given a quick tap in the direction that it was already moving , the change in speed was an increase in speed.
How did the speed change?The definition of force is a push or pull applied to an item. Gravity, friction, and applied force are examples of forces. Motion can vary in direction or speed as a result of force. Acceleration describes these modifications.
The tap on the cart was an example of force being applied to the cart which then had the effect of changing the speed of the cart by increasing it from 20 cm/s to 40 cm/s.
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a sample of a compound that contains only the elements c, h, and n is completely burned in o2 to produce 44.0 g of co2, 45.0 g of h2o, and some no2 . a possible empirical formula of the compound is select one: a. c2h5n b. ch5n c. c3h3n2 d. ch2n
A possible empirical formula of the compound is CH₅N Thus ,option B is correct.
What is an elements?Chemical substances that cannot be converted into other chemicals are referred to as elements. Chemical elements are distinguishable from one another by the number of protons in their atoms' nucleus, which is the fundamental particle that makes up a chemical element.
Substances that cannot be reduced to a simpler form are considered elements. A distinct atomic number serves as an identifying feature. In the periodic table, which emphasizes elements with related properties, the elements are arranged according to their atomic number.
Any material that cannot be converted into another is considered to be an element. Each element has a unique sort of atom, and there are around 100 such elements.
[tex]$$ C_xH_yN_z \rightarrow CH_5N[/tex]
44g 18g
Atoms of at least one or more different elements can be found in everything in the cosmos.
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according to most health codes, what is the minimum standard for parts per million concentration (ppm) of a chlorine based chemical when preparing a sanitizing solution for the three compartment
Minimum standard for chlorine based sanitizing solution for 3 compartment sink is 50-100 ppm, consult local health dept for specific requirements.
According to most health codes, the minimum standard for parts per million (ppm) concentration of a chlorine-based chemical when preparing a sanitizing solution for the three compartment sink is 50-100 ppm. This means that the solution should contain at least 50-100 milligrams of chlorine for every liter of water.
This concentration is sufficient to effectively kill harmful bacteria and other microorganisms that may be present on surfaces and equipment. However, it's important to note that this can vary depending on the specific health code in your area.
Therefore, it is always recommended to consult your local health department for the specific requirements in your area, they may have different standards or more stringent guidelines. It's also worth noting that the temperature and contact time of the solution also affect the sanitizing efficacy.
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Which of these statements is true of a polymer? a. The subunit is always an atom. c. The subunit is always a molecule. b. Polymers cannot extend forever. d. The subunit can be a molecule or an atom.
Answer: C - Subunit (Monomer) is always a molecule
Explanation: To narrow this down, b, cannot be the answer because it is known that Polymers can extend forever with enough materials present.
It cannot be d) or a) because atoms need to have full bonds, that is, a subunit must be bonded to other units to even be considered a subunit. So it must be c) because a subunit must have full bonds. If you are talking about organic polymers, at the very least, subunits must be bonded with hydrogens, subunits cannot just be carbon atoms, same thing goes with inorganic subunits
Hope this helped and good luck with Chem!
the reaction of 1-bromopropane and sodium hydroxide in ethanol occurs by an sn2 mechanism. what happens to the rate of this reaction under the following conditions? if we take half of the already prepared solution to perform the reaction, the reaction rate will be , compared to the previous experiment.
The rate of reaction, when half of the prepared solution is used to perform the reaction, gets reduced to half of it's initial value.
The SN2 reaction is a type of nucleophilic substitution reaction where a bond between the atoms of a reactant is broken and another one is formed synchronously. The two reacting species are involved together in the rate determining step of the reaction. The term 'SN2' in SN2 reaction stands for – Substitution Nucleophilic Bimolecular.
The reaction of organic compound 1-bromopropane with an inorganic compound sodium hydroxide gives propan-1-ol and NaBr.
CH3CH2CH2Br + OH- → CH3CH2CH2OH + Br-
Now according to the Le Chatelier's principle of Equillibrium;
when the concentration of the reactants is reduced the rate of the reaction is also reduced in accordance with the order of reaction.
The SN2 reactions are first order reactions and the rate of reaction is directly proportional to the order of reaction.
Now as the solution prepared is added in the reaction, the concentration of reactants gets reduced and so thus the rate of reaction. The order of reaction is 1. Hence the rate of reaction is reduce to half itself.
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I just need help with letter O and Q. If you can it would be very appreciated!
if equal concentrations of hx and nay are mixed, where will the equilibrium of the following reaction lie?
The equilibrium of this reaction will lie to the right, since the reaction is exothermic.
What is equilibrium?
Equilibrium is a state in which all forces, or influences, that affect a system are balanced and cancel each other out. It is a concept used in several disciplines, including physics, chemistry, economics, and biology, and is usually represented by a point on a graph or chart.Equilibrium is an important concept in many disciplines and can also be used to describe social or political systems.
NaH + HX → NaX + H2
The equilibrium of this reaction will lie to the right, since the reaction is exothermic. This means that more products will be produced than reactants, and the reaction will favor the formation of NaX and H2.
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in the reaction of calcium with 1 m hydrochloric acid, which of the following will increase the reaction rate
increasing the concentration of a reactant in solution
increasing the surface area of a solid reactant
increasing the temperature of the reaction system
The reaction rate increases by increasing the temperature of the reaction system , increasing the concentration of a reactant in solution and increasing the surface area of a solid reactant.
In the reaction of calcium with 1 M hydrochloric acid, The factor which will increase the reaction rate is by increasing the temperature of the reaction system. When the temperature of the reaction increases , the molecules kinetic energy of the molecules increases more than the activation energy and it will increases the rate of reaction.
The activation energy of the reaction decreases and therefore the rate of the reaction increases. The reaction rate increases by increasing the concentration of the reactant in the solution and increasing the surface area of the solid reactant.
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Balance the given redox reaction using half reaction method. MnO4- (aq) + SO2(g) Mn+2(aq) + HSO4 (aq) (in acidic medium) +2
Here is the balanced equation for the given redox reaction:
MnO4- (aq) + 8H+ (aq) + 5e- → Mn+2 (aq) + 4H2O (l) (oxidation)
SO2 (g) + 2H+ (aq) + 2e- → HSO4- (aq) (reduction)
The half-reaction method is a method used to balance redox reactions. The method involves breaking the redox reaction into two half-reactions, one representing the oxidation and the other representing the reduction. The half-reactions are then balanced separately, and then recombined to obtain the balanced equation.
MnO4- (aq) + 8H+ (aq) + 5e- → Mn+2 (aq) + 4H2O (l)
In this half-reaction, the MnO4- is oxidized to Mn+2, which is the oxidation process. The electrons (e-) are lost by the MnO4- molecule and gained by the Mn+2 ion. The 8H+ and 4H2O are added to balance the oxygen and hydrogen atoms. It is important to note that this reaction is taking place in acidic medium and that's the reason why we used H+ in the half-reactions.
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define the terms theory and hypothesis in a way that shows the role of each in the scientific method
A theory is a well-substantiated explanation and hypothesis is a proposed explanation for a phenomenon.
What do you mean by scientific methods?The scientific method is a systematic process used by scientists to gather and analyze data in order to understand natural phenomena. The scientific method includes a series of steps that are followed in order to ensure that the research is conducted in a rigorous and objective manner.
The steps of the scientific method include:
Observation and Identification of a problem or question: Scientists observe the natural world and identify a problem or question that they wish to investigate.
Formulation of a hypothesis: Scientists develop a hypothesis, which is an educated guess or prediction about the relationship between variables.
Conducting experiments and collecting data: Scientists design and conduct experiments to test their hypothesis and collect data to support or refute their hypothesis.
Analysis of data: Scientists analyze the data they have collected to determine if their hypothesis is supported or refuted.
Drawing conclusions: Based on the analysis of data, scientists draw conclusions about the problem or question they were investigating.
Publishing and sharing results: Scientists publish and share their results with the scientific community for peer review and further analysis
Repeatability: Scientific results should be repeatable by other scientists, if not the results are considered weak.
A theory is a thoroughly supported explanation of a certain phenomenon in the natural world that has been developed using the scientific process and has been repeatedly verified through observation and experimentation. A hypothesis is a proposed explanation for a phenomenon. In the scientific method, a hypothesis is an educated guess or prediction about the relationship between variables, which is then tested through experimentation and observation to determine its validity. Theories often grow out of hypotheses that have been repeatedly tested and supported.
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Classify each of the following substances as an element, a compound, or a mixture. Drag the appropriate items to their respective bins.
Element: fluorine, F and silver, Ag Compound: calcium chloride ([tex]Ca Cl_2[/tex]) and carbon monoxide (CO), beverage mixture
How do you classify a substance as an element compound or mixture?Each sort of atom in an element is unique. The joining of two or more distinct atoms results in a compound. In a mixture, two or more distinct substances are combined but not chemically bonded. Both elements and substances can be found in a combination. Air and table salt make up the combination. Nitrogen is the component, and water is the element.
Metalloids, non-metals, and other categories are used to categorize elements. Ionic and covalent compounds are two different types of compounds based on the bonds they include. There is no way for elements to be reduced by chemical processes. Using chemical processes or reactions, a substance can be broken down into simpler parts. The mixture of different gases that makes up air is all there is. Nitrogen, oxygen, and other gases make up the atmosphere's air.
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If molten lead(II) bromide is electrolyzed using graphite electrodes
red-brown fumes of bromine are seen at the cathode
solid lead forms around the anode
molten lead drips off the cathode
the anode decreases in size
If molten lead(II) bromide is electrolyzed using graphite electrodes
molten lead drips off the cathodeThe correct option is C.
What is electrolysis?The process of electrolysis, used in both chemistry and manufacturing, uses direct electric current to speed up a chemical reaction that wouldn't normally happen by itself. When elements are separated from naturally occurring sources, like ores, using an electrolytic cell, electrolysis plays a significant role commercially.
In the electrolysis of molten lead(II) bromide using graphite electrodes;
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Calculate how many grams of Aluminum are needed to produce 21.6 grams of Aluminum oxide (Al2O3).
4Al + 3O2 → 2Al2O3
a
11.43 g Al
b
26.982 g Al
c
5.71 g Al
d
132 g Al
Answer: A. 11.43 g Al
Explanation:
To solve this problem, we need to use the process of dimensional analysis, which essentially turns all of the values into fractions that will cancel out units. We always start by using what we are given and then set up the units so that everything cancels besides what we need to solve for.
given Al2O3 g * (1molAl2O3/mass Al2O3 for periodic table) * (Al mole ratio from balanced equation / Al2O3 mole ratio from the balanced equation) * ( Al mass from periodic table / 1 mol Al)
Now, I will plug all values in and solve.
21.6 gAl2O3 * (1molAl2O3/ 101.96 g Al2O3) * (4 mol Al / 2 mol Al2O3) * (26.98 g Al / 1 mol Al)
Now, multiply across the numerator and denominator separately and then proceed with division.
11.43 g Al
Hope this helps!
think about the following examples of homeostatic regulation: in response to an increase in plasma k concentrations, the hormone aldosterone brings k levels back to normal. in response to a decrease in plasma ca2 concentrations, parathyroid hormone brings ca2 levels back to normal. which of the statements below is true? think about the following examples of homeostatic regulation: in response to an increase in plasma k concentrations, the hormone aldosterone brings k levels back to normal. in response to a decrease in plasma ca2 concentrations, parathyroid hormone brings ca2 levels back to normal. which of the statements below is true? only the first is an example of negative feedback, because the regulated variable (plasma k ) is lowered as a result. both are examples of positive feedback, because the change in the regulated variable results in an increase in secretion of the regulating hormone. the second is an example of positive feedback because the regulated variable (plasma ca2 ) increases. both are examples of negative feedback regulation.
Homeostatic regulation is the process through which internal cell systems are adjusted. Adjustments must be performed regularly to maintain a cell's internal and exterior surroundings at or near the set point since they are always changing (the normal level or range).
Bidirectional calcium fluxes that take place in the colon, bones, and kidney regulate calcium homeostatic. The latter organ is crucial in controlling the level of extracellular calcium.In a cell or the body, homeostasis is defined as stability, balance, or equilibrium. It is the capacity of an organism to maintain a consistent internal environment. Homeostasis is a crucial aspect of all living organisms. As circumstances within and outside the cell vary, modifications must be made often in order to maintain a stable internal environment. Homeostasis can be viewed as a dynamic equilibrium as opposed to a stable condition.
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which statement is true in electrophilic aromatic substitution no meta directors have a nitrogen atom directly attached to the ring
The statement is true in electrophilic aromatic substitution is no meta directors have the nonbonding electrons on the atom that is directly attached to ring.
The electrophilic aromatic substitution reaction is an organic reaction. In this the electrophile replace an atom that is attached to an aromatic ring. The types of electrophilic aromatic substitution reactions are :
Electrophilic aromatic halogenation reactionsAromatic nitration reactionsAromatic sulfonation reactionsFriedel crafts alkylation reactionFriedel crafts acylation reactionThus, no meta directors have the nonbonding electrons on the atom that is directly attached to ring in the electrophilic aromatic substitution reaction. The substituents present on aromatic ring influence the reactivity.
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Who developed the Billard Ball Theory?
Answer:
John Dalton
Explanation:
aluminum bromide and potassium sulfate produce potassium bromide and aluminum sulfatebalanced word equation
How would you balance: AlBr3 + K2SO4 --> KBr + Al2(SO4)3?
2AlBr3 + K2SO4 --> 6KBr + Al2(SO4)3. The first distinction we make is that the reactant side only has one sulphate group, whereas the product side has three. The potassium sulphate group can be multiplied by three to have three on either side.
What is meant by sulphate ?
The SO24 empirical formula describes the sulphate or sulphate ion, a polyatomic anion. Industry makes extensive use of salts, acid derivatives, and sulphate peroxides. Sulfates are frequently seen in daily life. Sulfates are the salts of sulfuric acid, which is used to make several of them.The potassium bromide is then multiplied by 6 because there are now 6 potassium atoms on the reactant side and only 1 on the product side.The aluminium bromide on the right is multiplied by because there are 6 bromine atoms on the right and only 3 on the left.Finally, this leaves 2 aluminium atoms on either side of the reaction, meaning that the balancing is complete.As a result, we multiply the potassium bromide by 6, leaving us with 6 potassium atoms on the reactant side and just 1 on the product side.Now because there are 6 bromine atoms on the right instead of 3, we must multiply the aluminium bromide on the right by 6 to account for the imbalance.We have completed the balance because there are now just 2 aluminium atoms left on both the reactant and product sides.Reactants
Al = 3
Br = 3
K = 2
S = 1
O = 4
Products
Al = 2
Br = 1
K = 1
S = 3
O = 12
Remember all atoms within the brackets get multiplied by the number outwith them.
Step 1
Put a 6 before KBr
AlBr3 + K2SO4 --> 6KBr + Al2(SO4)3
Step 2
Put a 2 before AlBr3
This has now balanced the number of Aluminium and Bromine atoms.
2AlBr3 + K2SO4 --> 6KBr + Al2(SO4)3
Step 3
Put a 3 before K2SO4
This balances the Potassium, Sulphur and Oxyen
2AlBr3 + K2SO4 --> 6KBr + Al2(SO4)3
Now check the reactants and products:
Reactants
Al - 2
Br - 6
K - 6
S - 3
O - 12
Products
Al - 2
Br - 6
K - 6
S - 3
O - 12
We have now successfully balanced the equation.
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What type of radioactive decay is illustrated by the following nuclear equation? N ->0 + e positron emission b. alpha decay beta decay gamma production helium emission wnar nroni Search
A nuclear equation can be used to represent alpha decay. If the total numbers of protons and neutrons on both sides of the arrow are equal, the equation is balanced.
While all radioactive decay poses a threat to life, alpha decay poses the least threat. beta decay The transformation of the uranium-238 nucleus into the thorium-234 nucleus is an illustration of this decay. Half-lives are another unit used to express the rate of nuclear decay. A particular isotope's half-life is the amount of time it takes for its radioactivity to decay by half. A radioisotope having a half-life of 14 days will have had half of its atoms decay within that time frame. For instance, after generating intermediates like Uranium-234, Thorium-230, and Lead-206, the decay chain that starts with Uranium-238 ends in Lead-206.
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which of the following is a product formed when 3-methylpentane is brominated under free radical conditions, then treated with naoch3, and then o3 followed by dimethyl sulfide? co2
Which of the following results from the reaction of 4-bromo-3-methyloctane with NaOCH3 O3 and dimethyl sulphide 1) Br NaOCH Og2)DMS o о
DMSP, a significant secondary metabolite in some marine algae, is the main source of DMS. The most common biological sulphur molecule released into the atmosphere is DMS [4]. [5] Phytoplankton emits gases throughout the oceans [6]. DMS is furthermore created naturally when dimethyl sulfoxide (DMSO) waste that is dumped into sewers undergoes bacterial conversion. This waste can lead to environmental odour issues. Diverse sulfur-containing chemicals, including sulphur dioxide, dimethyl sulfoxide (DMSO), dimethyl sulfone, methanesulfonic acid, and sulfuric acid, are produced when DMS is oxidised in the marine environment. [8] Among these substances, sulfuric acid has the capacity to produce fresh aerosols that serve as the basis for cloud condensation. Sulfate particles often develop in the troposphere as a result. Due to this
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Approximately how many moles of Al3+ are reduced when 0.1 faraday of charge passes through a cell during the production of AI? (Note: Assume there is excess AP+ available and that Al3+ is reduced to Al metal only.) A. 0.033 mol B. 0.050 mol C. 0.067 mol D. 0.10 mol
A faraday is equal to one mole of electric charge. Because each aluminum ion gains 3 electrons, 0.1 faraday of charge will reduce 0.1/3 moles of aluminum, or 0.033 moles of aluminum.
What is meant by aluminum ?
Aluminum was formally adopted by the American Chemical Society (ACS) in 1925, but the International Union of Pure and Applied Chemistry (IUPAC) only did so in 1990.Including thus we arrive at the present, where aluminum is used everywhere else and by English-speaking people in North America.Aluminium is a light, silvery-white metal. It is bendable and soft. Numerous items, such as cans, foil, culinary utensils, window frames, beer kegs, and airplane components, are made of aluminum.Chemical element aluminum (Al), also written aluminum, belongs to the major Group 13 (IIIa, or boron group) of the periodic table. It is a light silvery white metal. The most prevalent nonferrous metal and the most plentiful metallic element in the crust of the Earth is aluminum.To learn more about aluminum refer to
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