Chemistry-
General
Easy
Question
Heatofformation,ΔHOofanexplosivecompound likeNCl3is-</span
- Positive
- Nagative
- Zero
- Positiveornegative
The correct answer is: Positive
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IftheheatofformatioofNO2is‘x’[1/2N2(g)+O2(g)→NO2(g)]theheatofreactionN2(g)+O2(g) →2NO(g)isyandtheheatofreaction2NO(g)+O2(g)→2NO2(g) is z then
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A galvanometer, having a resistance of 
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Ωm )
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Ahypothetical reaction , A→2B, proceed throughfollowingsequenceofsteps- A→C;ΔH=q1
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C→D;ΔH=q2
Theheatofreactionis:
chemistry-General
