alexxreayy7869 alexxreayy7869
  • 09-12-2017
  • Chemistry
contestada

When 1mol of a gas burns at constant pressure, it produces 2430 j of heat and does 5 kj of work?

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kenmyna
kenmyna kenmyna
  • 19-12-2017
convert  2430j  to  Kj  that  is  divide  by  1000 
2430/1000=2.430
delta  E  =Q+W
q is  the  heat  done  
w is  the  work done and  since  is work  is  done is by  the  system therefore  it  is  negative
w  is  therefore -5kj
q=-2.430
delta E =-2.430 + -5= -7.43kj/mol

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