Chemistry Practice Problems Calorimetry Practice Problems Solution: NOTE: YOUR ANSWER SHOULD BE IN KJ/MolWhen 0.535 g ...

Solution: NOTE: YOUR ANSWER SHOULD BE IN KJ/MolWhen 0.535 g of compound X is burned completely in a bomb calorimeter containing 3000 g of water, a temperature rise of 0.363◦C is observed. What is ∆Urxn for the combusion of compound X? The hardware component of the calorimeter has a heat capacity of 3.51 kJ/◦C. The specific heat of water is 4.184 J/g ·◦C, and the MW of X is 56.0 g/mol.1. -426.0662. -610.2963. -1074.214. -898.3525. -988.4256. -760.5147. -589.8938. -487.4289. -927.73110. -875.701

Problem

NOTE: YOUR ANSWER SHOULD BE IN KJ/Mol

When 0.535 g of compound X is burned completely in a bomb calorimeter containing 3000 g of water, a temperature rise of 0.363C is observed. What is ∆Urxn for the combusion of compound X? The hardware component of the calorimeter has a heat capacity of 3.51 kJ/C. The specific heat of water is 4.184 J/g ·C, and the MW of X is 56.0 g/mol.

1. -426.066

2. -610.296

3. -1074.21

4. -898.352

5. -988.425

6. -760.514

7. -589.893

8. -487.428

9. -927.731

10. -875.701