Subjects
| Sections | |||
|---|---|---|---|
| Internal Energy | 22 mins | 0 completed | Learn |
| Calorimetry | 39 mins | 0 completed | Learn |
| Thermochemical Equation | 6 mins | 0 completed | Learn Summary |
| Hess's Law | 17 mins | 0 completed | Learn |
| Enthalpy of Formation | 13 mins | 0 completed | Learn Summary |
| End of Chapter 6 Problems | 52 mins | 0 completed | Learn |
| Additional Practice |
|---|
| Units of Energy |
| Endothermic & Exothermic Reactions |
| Additional Guides |
|---|
| Enthalpy |
Which of the following is true of the internal energy of a system and its surroundings during an energy exchange with a negative ΔEsys?
a. The internal energy of the system increases and the internal energy of the surroundings decreases.
b. The internal energy of both the system and the surroundings increases.
c. The internal energy of both the system and the surroundings decreases.
d. The internal energy of the system decreases and the internal energy of the surroundings increases.
Enter your friends' email addresses to invite them:
Join thousands of students and gain free access to 46 hours of Chemistry videos that follow the topics your textbook covers.