Question

1. A change in enthalpy occurs whenever heat is released or absorbed by a chemical reaction under constant pressure conditions. (Points : 2) True False

Answer 1

Please helpppp :(

Answer 2

One question at a time. The first one is true, Note that: \(\sf \color{red}{\Delta H_{system} = E_{system}+PV}\) and if P is kept constant, then \(\sf \color{purple}{\Delta H_{system} = q}\)

Answer 3

Keep in mind that \(q\) is heat.

Answer 4

Okay thanks :) and can you check the rest please?

Answer 5

@abb0t

Answer 6

Temperature is not energy, but a measure of it. Heat is energy.

Answer 7

Yeah thats what i thought. Thanks