Calculate the gross and net calorific value of the coal, assuming the latent heat of condensation of steam as 580 cal/g.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter12: Thermodynamic Processes And Thermochemistry
Section: Chapter Questions
Problem 75AP
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A sample of coal contains C =90%; H =8%, S= 1% and ash = 1%. The following data were obtained when the above coal was tested in a bomb calorimeter.
Wt. of coal burnt
Wt. of water taken =400g
=0.90g
Water equivalent of calorimeter =2,050g
Rise in temperature =2.0°C
Cooling correction = 0.2 °C
Fuse wire correction 15.0 cal
Acid correction
=50.0 cal
Calculate the gross and net calorific value of the coal, assuming the latent heat of condensation of steam as 580 cal/g.
Transcribed Image Text:A sample of coal contains C =90%; H =8%, S= 1% and ash = 1%. The following data were obtained when the above coal was tested in a bomb calorimeter. Wt. of coal burnt Wt. of water taken =400g =0.90g Water equivalent of calorimeter =2,050g Rise in temperature =2.0°C Cooling correction = 0.2 °C Fuse wire correction 15.0 cal Acid correction =50.0 cal Calculate the gross and net calorific value of the coal, assuming the latent heat of condensation of steam as 580 cal/g.
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