Question

2C2 H6(g) +702(g) -> 4CO2(g) + 6H2O (J)
The volume of oxygen required to completely
burn 400 literes of ethane gas is-
a.) 1400
b.) 1200
C.) 400 litres
d.) 140 litres
The volume of carbon dioxide formed in
Calcium phosphate [ca3(PO4)2] is:
[ca: 40 P = 31,0=16]
=
a.)10%
b. ) 20℅
c.)30%
d.) 40%
​

Answer 1

Answer:

2C2 H6(g) +702(g) -> 4CO2(g) + 6H2O (J)

The volume of oxygen required to completely

burn 400 literes of ethane gas is-

a.) 1400

b.) 1200

C.) 400 litres

d.) 140 litres

The volume of carbon dioxide formed in

Calcium phosphate [ca3(PO4)2] is:

[ca: 40 P = 31,0=16]

=

a.)10%

b. ) 20℅

c.)30%

d.) 40%

Answer 2

Answer:

Combustion Reactions:

Since combustion reactions are exothermic, the change in enthalpy ΔH value is expected to be negative