2. In the following reaction, calculate the mass of acrylonitrile (C 3 H 3 N) pr

Question

2. In the following reaction, calculate the mass of acrylonitrile (C3H3N) produced when 15.0 g C3H6, 10.0 g and 5.00 g of Ammonia (NH3) are reacted according to the equation noted below:

2 C3H6 (g) + 2 NH3 (g) + 3 O2 ---------> 2 C3H3N (g) + 6 H2O (g). Please specify the limiting reactant

3. a, If I weigh out 25.0 mg of caffeine, C8H10N4O2. How many moles of caffeine do I have?

b. How many molecules are in 1.00 g of CO2?

4. A piston is compressed from a volume of 8.30 L to 2.80 L against a constant pressure of 1.90 atm. At the same time, there is a heat gain of 350J by the system. Calculate the change in internal energy.

5. What is the mass of K2SO4 contained in 145.0 mL of a 0.320 M Potassium sulfate solution?

6. The thermochemical equation for the combusion of propane (molar mass = 44.094 g/mol) is:

What is the enthalpy change for the combustion of 10.0 g C3H8?

7. What volume of 0.246 M HCl solution is needed to neutralize 27.30 mL of 0.1013 M LiOH?

8. What mass of barium sulfate can be produced when 85.0 mL of a 0.100 M solution of barium chloride is mixed with 125.0 mL of a 0.100 M solution of iron (III) sulfate?. The unbalanced equation for this reaction is:

BaCl2 (aq) + Fe2(SO4)3 (aq) ----------> BaSO4 (s) + FeCl3 (aq).

9. A sample of He hs a volume of 3.25 L at 21.40C. What volume is occupied by this gas at 37.00C?

10. A 150.0 g sample of copper metal (specific heat capacity = 0.20 J/0C.g) is heated to a temperature of 95.40C, then placed in a container of water at 22.50C. The final temperature of the water and the copper is 25.10C. What is the mass of the water in the container, assuming that all of the heat lost by the copper is gained by the water?

Please help, I need to submit this homework on Friday. Kindly show all work and calculations.

Explanation / Answer

b) .

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