Home/ Questions/Q 428526
Next
In Process
Ragini Issac
Asked: 2022-11-11T13:30:31+05:30 In:

Two reactions are given below :
`C_(“(graphite)”)+O_(2(g))rarrCO_(2(g)),DeltaH=-393.7kJ`
`C_(“(diamond)”)rarrC_(“(graphite)”),DeltaH=-2.1kJ`
What quantity of diamond will give 800 kJ of heat on burning ?
A. 24.25 g
B. 15.24 g
C. 2 g
D. 12.12 g

Two reactions are given below :
`C_(“(graphite)”)+O_(2(g))rarrCO_(2(g)),DeltaH=-393.7kJ`
`C_(“(diamond)”)rarrC_(“(graphite)”),DeltaH=-2.1kJ`
What quantity of diamond will give 800 kJ of heat on burning ?
A. 24.25 g
B. 15.24 g
C. 2 g
D. 12.12 g
Parabola
Leave an answer

Leave an answer

Browse

1 Answer

  1. Correct Answer – A
    `C_(“(diamond)”)+O_(2(g))rarrCO_(2(g))`
    `=-393.7+(-2.1)=-“395.8 kJ”`
    `”800 kJ will b given by “(12)/(395.8)xx800=24.25g`

    • 0