Answer to Question #175052 in General Chemistry for JohnDoe

Question #175052

26-30. The internal energy of a system increases by 20 J and the quantity of work done on a system is 50 J. Is the heat absorbed or given off? By how much?

Expert's answer

∆U = Q+ W

Increase = 20

W = -50

20 = q -50

Q = 20+50

= 70

The heat is absorbed

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. Determine the solubility of the following ionic compounds when added to water by inserting (aq) or (
2. calculate the solubility of zns in 1 f acetic acid
3. What are the units for the corresponding reactions: zero-order, first-order, second-order, and third
4. Classify the following bonds as iconic, polar covalent, or non-polar:1) the bond in CBr42) the bond
5. A. Answer the question thoroughly.1. Some chemicals, like hydrogen peroxide, are prone to decomposit
6. Cisplatin is found to be 65.02 % Pt, 23.63 % Cl, 9.34 % N, and 2.02 % H by mass. Determine its empi
7. Water and an aqueous compound were produced when bromic acid was mixed with aqueous sodium hydroxide