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March 29, 2024, 09:38:08 am

Author Topic: Can someone please help me with this question  (Read 1217 times)  Share 

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_juwayriyah

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Can someone please help me with this question
« on: January 21, 2017, 04:17:39 pm »
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Syndicate

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Re: Can someone please help me with this question
« Reply #1 on: January 21, 2017, 05:18:47 pm »
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(Image removed from quote.)

2 mol of ethyne releases 2600 KJ of energy. Therefore 1 mol of ethyne releases 1300 KJ of energy.

n(ethyne)= 2.50/24.8 = 0.1008 mol

Amount of energy released = 0.1008 X 1300 = 131 kJ

« Last Edit: January 21, 2017, 07:35:34 pm by Syndicate »
2017: Chemistry | Physics | English | Specialist Mathematics | Mathematics Methods
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_juwayriyah

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Re: Can someone please help me with this question
« Reply #2 on: January 21, 2017, 06:51:09 pm »
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2 mol of ethyne releases 2600 KJ of energy. Therefore 1 mol of ethyne releases 1300 KJ of energy.

n(ethyne)= 2.50/24.8 = 0.1008 mol

Amount of energy released = 0.01008 X 1300 = 131 kJ

Thank youuu