Question

At constant pressure, which of these systems do work on the surroundings? Check all that apply.

Answer 1

1. 2A(g) + 2B(g) ----> 5C(g)
2. A(g) + 2B(g) --->2C(g)
3. 2A(g) + B(s) ----> 3C(g)
4. 2A(g) + 2B(g) ---->3C(g)

Answer 2

@zepp

Answer 3

any idea?

Answer 4

O_O

Answer 5

wat is dis D:

Answer 6

Absolutely no idea, sorry >.>

Answer 7

ok :)

Answer 8

can you figure out which are exothermic and which are endothermic?

Answer 9

hmm?

Answer 10

i think 1 and 3 are exo ?

Answer 11

not sure i always have an enthalpy value to figure these out