Chat with tutor

Ask Questions, Get Answers


The heat of combustion of $CH_4$, $C$(graphite) and $H_{2(g)}$ are respectively $20\;kcal$, $40\; kcal$ and $-10\; kcal$. The heat of formation of $CH_4$ is :

( A ) $+40$ kcal
( B ) $80$ kcal
( C ) none of these
( D ) $40$ kcal

Please log in or register to answer this question.

Help Clay6 to be free
Clay6 needs your help to survive. We have roughly 7 lakh students visiting us monthly. We want to keep our services free and improve with prompt help and advanced solutions by adding more teachers and infrastructure.

A small donation from you will help us reach that goal faster. Talk to your parents, teachers and school and spread the word about clay6. You can pay online or send a cheque.

Thanks for your support.
Please choose your payment mode to continue
Home Ask Homework Questions
Your payment for is successful.
Clay6 tutors use Telegram* chat app to help students with their questions and doubts.
Do you have the Telegram chat app installed?
Already installed Install now
*Telegram is a chat app like WhatsApp / Facebook Messenger / Skype.