Question

es of each sub question.
and has
Select the most
AH at constant pressure
1. Chemical reaction that absorbs heat from the surrounding is said to be ...
a. exothermic, positive
c. endothermic, negative
b. exothermic, negative
d. endothermic, positive
and is used to determine the enthalpy of neutralisation of a given sal​

Answer 1

3ab + 5xy)2 – (3ab – 5xy)2 = 60abxy

Answer 2

1. exothermic
2. yes
3. yes
4. no
5. no