kmk1998
kmk1998 kmk1998
  • 12-03-2016
  • Chemistry
contestada

this calculation shows that burning ___ grams of methane (takes in/gives off) ___ energy

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Аноним Аноним
  • 21-03-2016
The question lacks some details in order to be answered. Nevertheless, let's just give some examples.

Given that you are to burn 10 kg of methane (CH4) from 0 to 20°C. The specific heat capacity of methane is 4.475 kJ/kg-K.

H
 = mCpT
H = (10kg)( 4.475 kJ/kg-K)(20-0)
H = 895.00 kJ

Because of the positive value of 
enthalpy, methane takes in heat. 
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