Chemistry Questionnaire

Description

QUESTION 1

  1. 17.0 g of ammonia at 25°C in a cylinder fitted with a movable piston expands against a constant pressure of 2.000 atm. The initial volume is 1.85 L. At equilibrium, the volume of the gas is 25.69. Calculate the work in Joules involved in this process. 1 atm·L = 101.3 JProvide your answer with the correct number of significant figures and unit. Submit scratch paper for credits.

QUESTION 2

  1. The final temperature of ammonia from question 1 is 12.7°C. Calculate the heat involved in this process in Joules. Specific heat capacity of ammonia is 0.0258 J/g·°C. Submit your answer with the correct number of significant figures and unit. Submit scratch paper for credits.

QUESTION 3

  1. Does ammonia gain or lose heat from previous question.
  2. 1.It gains heat
  3. 2.It loses heat.

QUESTION 4

  1. For one reaction, the enthalpy change is 234.8 kJ/mol while the entropy change is 444 J/mol. Calculate the Gibbs Free energy of this reaction in kJ/mol at 300 K. Answer with the correct number of significant figures and unit. Submit scratch paper for credits

QUESTION 5

  1. Is the reaction from the previous question spontaneous or non-spontaneous?
  2. 1.Spontaneous
  3. 2.Non-spontaneous