Answers: Exercise 3_6 Hess’s Law

D, A, A, A, B, B, A, D, C, A

1.	D
2.	A
3.	A
4.	A
5.	B
6.	B
7.	A
8.	D
9.	C
10.	A

11.
	-672 kJ mol-1

12.
	+206 kj mol-1


13.
	-2168 kj mol-1

14.
a)

b)
	Reagent A – H2 Reagent B – Cl2 Reagent C – HCl

15.
	molar ratio 1mole HCl reacts with 1 mole AgNO3 AgNO3: n= cv 0.5 x 0.02 = 0.01 moles. [0.01 moles AgNO3 can react with 0.01 moles HCl] HCl: n= cv 1 X 0.015 = 0.015 moles
	Conclusion: more moles HCl than AgNO3 so HCl is in excess.

Glow Blogs uses cookies to enhance your experience on our service. By using this service or closing this message you consent to our use of those cookies. Please read our Cookie Policy.