What conversion factor would you use to convert 72.9 g Cl to moles of Cl?

Q: SnO2  +  H2   ? Sn  +  H2O

A: The balanced equation is-  SnO2 + 2H2 = Sn + 2H2O

Q: a. Cyclooctatetraene (COT) is shown below. Assume the molecule is planar, use the Hückel molecular o...

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Q: A sample of gas is manipulated so that its temperature (in K) triples and its volume is reduced to o...

A: An ideal gas will follow the ideal gas equation. The ideal gas equation is given by PV=nRT, where P,...

Q: Consider the chair conformation of the molecule depicted below. Redraw this chair as a hexagon struc...

A: Conformation of molecules means isomers can be interconverted just by simple rotation usually formal...

Q: An engineer is preparing an experimental gas fuel mixture for a rocket launch. There are 5.00 g of h...

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Q: How much heat is required to raise the temperature of 1.5 x 103 g of water from 45'F to 130.F? The s...

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Q: What is the mean speed, K, of N2 molecules in air at 25°C?

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Q: Which of the following is a possible set of quantum numbers for an electron in an oxygen atom in its...

A: Oxygen atom is having the atomic number = 8 Hence it contain 8 electrons.  So, Ground state electron...

Q: The planet Zook has an atmosphere that contains 3.0 mmHg of neon, 12.0 mmHg of xenon, and 8.0 mmHg o...

A: given :-  PNe = 3.0 mm Hg  PXe = 12.0 mm Hg  PKr = 8.0 mm Hg  to be calculated :-  Total atmospheric...

Q: Use smallest possible integer coefficients. If a box is not needed, leave it blank. Use a table of S...

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Q: Explain why ionic attractions are weaker in media with high dielectric constants, e. g., water and a...

A: Ionic attraction: The magnitude of the electrostatic force F between two point charges q1 and q2 or ...

Q: Methane (CH4) burns according to the equation CH4 (g) + 2 O2(g) ➞ CO2(g) + 2 H2O(l) with the liberat...

A: Given :-  CH4 (g) + 2 O2(g) ➞ CO2(g) + 2 H2O(l)  Heat released = 990 kJ  To calculate :-  Amount of ...

Q: Give an example of an oxyacid (containing a polyatomic ion) in aqueous solution and it’s formula

A: Oxyacids are the oxygen containing acids.  Polyatomic ion means ion having a group of atoms.

Q: please answer 4

A: To Calculate the heat released when 68.0 gram of steam at 124°C is converted to water at 45℃.,   Gi...

Q: At a certain temperature, the equilibrium constant K for the following reaction is 9.34 x 10°: H,(g)...

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Q: Enter your answer in the provided box. 35 The atomic masses of the two stable isotopes of chlorine, ...

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Q: On a hot day (or during a stressful exam!), your body produces liquid swea which then evaporates acc...

A: Physical change: In a physical change only the state of matter changes. In this change different sta...

Q: free

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Q: What is the pOH of a solution that has a H30* concentration equal to 4.12 x 105 M at 25°C?

A: Hydronium ion concentration is an important parameter of an aqueous solution. The concentration of t...

Q: Select the single best auswer. Which of the following has more atoms: 4.08 g of hydrogen atoms or 18...

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Q: How many grams of potassium permanganate are required to prepare 432 mL of 0.540 M solution

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Q: 1. Mg HCI MgCl2 H2 + If 4.50 g Mg is made to react with HCl, how many grams of H2 will be theoretica...

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Q: H Ph. Provide mechanisms for the reactions: (a) N-Ph „NH2 CH3 CH3 (b) iBuO, OtBu DIBu Ph then H Ph N...

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Q: Calculate the pH of a 0.63 M sodium formate solution (HCOONA). К, for HCOO"- 5.9 х 10-11 pH =

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Q: 1. (a) Draw the expected products for these 2 rxns: (i) OMe (ii) OMe Me. Me. Me (b) One of the above...

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Q: What is the percent ionization at 25 °C for a 0.00675M solution of codeine (CH2,NO)? O 18.7% O 1.54%...

A:  Codeine is a weak base , to calculate its percent ionization we would first calculate draw an ICE t...

Q: H,CO A B H. E

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Q: Use the solubility chart below, identify the cations that would be expected to form a precipitate up...

A: We have to tell solubility of ions with the help of solubility chart.

Q: Draw the Lewus structure for the following atoms and assign the correct number of valence electrons ...

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Q: Calculate the initial concentrations for all the solutions. The concentration of stock solutions are...

A: Concentrations of all solutions can be calculated using dilution law                                ...

Q: Do the following:  a. Circle and name the functional group b. Name the Hydrocarbon

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Q: C(s) + CO,(g) 5 2CO(g) K, = 1.90 atm

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Q: A 22.0 g block of copper at 45'C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385 Ng-...

A: given :-  mass of Cu = 22.0 g  specific heat of Cu = 0.385 J/g°C  initial temperature = 45 °C  heat ...

Q: What is the average mass, in grams, of one Zn atom? Multiple Choice O 65.39 g 65.39 amu O 109 x 10 2...

A: Given atom - - > Zinc (Zn) Molar mass of Zn atom = 65.38 g/mol Avagadro's number = 6.022*1023  

Q: Which of the following processes is exothermic, given the following: N2(g) + 2 02(g)- N2040) AH°= 9....

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Q: Probelm 2

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Q: Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C ...

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Q: 3.56469003 Be sure to answer all parts. The AG" for the reaetion H2(g) + I;(g) = 2HI(g) is 2.60 kJ'm...

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Q: A major component of gasoline is octane (C3H18). When octane is burned in air, it chemically reacts ...

A: Reaction occurs as follows:  C8H18 + O2 ----> CO2 + H2O  Thus to get the amount of oxygen require...

Q: = pressure at

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Q: Consider the following reaction and the tabulated thermochemical data at 298 K. 4 NH32) + 5 O2g) → 6...

A: Answer: This question is based on the relationship between Gibbs free energy change, standard Gibbs ...

Q: What is the percent ionization at 25 °C for a 0.00675 M solution of codeine (CH2, NO)? O 18.7% O 1.5...

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Q: Consider the electromechanical cell that contains standard Co2+/Co and Cr3+/Cr electrodes. The follo...

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Q: O4 olt NH H2C C-OH J H20, Nall base Acid

A: There are several functional groups in the given molecule some of which are reactive towards acid an...

Q: Select the compound that will have the lower equilibrium vapor pressure based on predicted intermole...

A: There are different types of forces act between the molecules:- Hydrogen bonding Dipole-dipole attr...

Q: ntaccium hudroxide solution what is the nH at the midpoin

A: Acetic acid is a weak acid. At mid point of titration ,i.e. half neutralization point buffer is form...

Q: A 4.0 g sample of bromine is reacted with 0.50 grams of hydrogen to form hydrogen bromide. How many ...

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Q: 6. Using the phase diagram in Question 5, determine the kilograms of beryllium that must be added to...

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Q: Select Draw Rings More Erase H CH;CH2OK CH;CH,OH heat Br

A: This is the concept of Organic chemistry

Q: What is the weight of pyridine, CSH§N that must be dissolved in 250 mL of solutic to produce a hydro...

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".