Practice Set of Thermodynamics Problems

Problems have already been set up and the values that need to be plugged in are attached in a seperate Excel program (Thermodynamics), I'm just not sure how to plug the formulas in for the different problems.

Several multiple choice Chemisty problems

In the following reaction, identify the oxidizing and reducing agents. See attachment

Solutions, Acids, Bases

1. 0.54 g of ammononium chlordie is dissolc=ved in 250 mL of solution. Calculate the molarity. 2. What volumne of solution would be required to deliver 6.84 g og 0.200 M aluminum sulfate solution? 3. Calculate the molarity of a solution if 126 mL of 6.25 M NaOH was diluted to a total volume of 250mL. 4. Calculate the pH ...continues

Solubility Equilibria

Please send response in Word. Please show all work and explain the formlas through to the answer. thank you 1. The Solubility Product Constant. PbBr2 is a slightly soluble salt. Write  the chemical equilibrium equation that describes the salt partially dissolving in water and  the solubility produc ...continues

How to calculate the theoretical yield of a reaction (mass(g) and no. of moles) of a simple reaction given the no. of moles of starting material.

ZnO + 2HCl -> ZnCl2 + H2O Calculate the mass of zinc chloride (ZnCl2) produced if 1.8 moles of hydrochloric acid (HCl) is used up during the above reaction.

Nuclear Chemistry

The reaction represented by the description "An atom of lead-210 decays by emission of an alpha particle" is: Question 3 The reaction represented by the description "An atom of copper-66 decays by beta emission" is Question 4 The reaction represented by the description "An atom of titanium-45 decays by positron emi ...continues

Enthropy Change

The reaction of ammonium nitrate when added to water is endothermic (H=25.7 kJ) and can be written as: NH4NO3(s) + H2(l) ---> NH4NO3(aq) a) Determine the heat of formation of NH4HO3(aq) b) What would be the final temperature of a solution that contained 50 grams of NH4NO3 dissolved in 125 mL of water. Use a specific heat o ...continues

Heat of formation

Methylene chloride can be prepared from the reaction of methane and chlorine, by the following equation: CH4(g) + Cl2(g) ---> CH2Cl2(g) + HCl(g) Calculate the standard heat of formation (ΔH˚) in kilojoules for the reaction using the following measured heats of formation. HCl(g) + CH3Cl(g) --> CH4(g) + Cl2 ΔH ...continues

Just need to make sure answers are correct

I have a bunch of Multiple choice chemistry questions that I have already answered I would just like to verify that the answers I have are correct.

Balanced equations

Write balanced chemical equations for the following: A. Ionization in water of the weak acid HF B. Ionization in water of the strong acid HI C. Reaction of the strong acid HI with the strong base NaOH in water D. Interaction of the weak base C2H5NH2 with water. E. Ionization of the strong base KOH in water.