Question

48 Thermodynamics
30.) Given that,
C(s) + O2(g)
- CO2(g); AH = - 395 kJ
1.
S(s) + O2(g) –
SO2(g); AH = -295 kJ
CS (1) + 302(g) → CO2(g) +250 (9);
AH = -1110 kJ
The heat of formation of CS, is
(1) 125 kJ mol-1 (2) 31.25 kJ mol-1
(3) 62.5 kJ mol-1
(4) 250 kJ mol-1​

Answer 1

Answer:

48 Thermodynamics

30.) Given that,

C(s) + O2(g)

- CO2(g); AH = - 395 kJ

1.

S(s) + O2(g) –

SO2(g); AH = -295 kJ

CS (1) + 302(g) → CO2(g) +250 (9);

AH = -1110 kJ

The heat of formation of CS, is

(1) 125 kJ mol-1 (2) 31.25 kJ mol-1

(3) 62.5 kJ mol-1

(4) 250 kJ