Reaction Represented Chapter 6 Quiz Test

5 Questions | Attempts: 627
Share

SettingsSettingsSettings
Reaction Represented Chapter 6 Quiz Test - Quiz

Questions and Answers
  • 1. 
    4 NH3 (g) + 3 O2 (g) --> 2 N2 (g) + 6 H2O (g)If the standard molar heats of formation of ammonia, NH3 (g), and gaseous water, H2O (g), are -46 kJ/mol and -242 kJ/mol, respectively, what is the value of  for the reaction represented above?
    • A. 

      -190 kJ/mol

    • B. 

      -290 kJ/mol

    • C. 

      -580 kJ/mol

    • D. 

      -1270 kJ/mol

    • E. 

      -1640 kJ/mol

  • 2. 
    Based on the information above, what is the enthalpy change for the sublimation of iodine, represented below?
    • A. 

      15 kJ/mol

    • B. 

      21 kJ/mol

    • C. 

      31 kJ/mol

    • D. 

      42 kJ/mol

    • E. 

      62 kJ/mol

  • 3. 
    What is the standard enthalpy change, , for the reaction represented above? ( for  is 230 kJ/mol;  of  is 83 kJ/mol.)
    • A. 

      -607 kJ

    • B. 

      -147 kJ

    • C. 

      -19 kJ

    • D. 

      +19 kJ

    • E. 

      +773 kJ

  • 4. 
    A 6.22-kg piece of copper metal is heated from 20.5 degrees celsius to 324.3 degrees celsius.  Calculate the heat absorbed (in kJ) by the metal.  The specific heat of copper is 0.385 J/g*C
    • A. 

      49.1 kJ

    • B. 

      728 kJ

    • C. 

      0.728 kJ

    • D. 

      0.0491 kJ

    • E. 

      777 kJ

  • 5. 
    A 0.1375 g sample of solid magnesium is burned in a calorimeter that has a heat capacity of 3024 J/*C.  If temperature increases by 1.126*C, calculate the enthalpy of the combustion of magnesium.
    • A. 

      73.51 kJ/mol

    • B. 

      602.0 J/mol

    • C. 

      27.76 J/mol

    • D. 

      602.0 kJ/mol

Back to Top Back to top
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.