One kg of hydrogen requires 8 kg of oxygen and produces
A. 1 kg of water
B. 7 kg of water
C. 8 kg of water
D. 9 kg of water
Answer: Option D
This Question Belongs to Mechanical Engineering >> Engineering Thermodynamics
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2H2 + O2 = 2h2O
2x2 + 2x16 = 2x(2+16)
4 + 32 = 36
1 + 8 = 9
It means 1kg of hydrogen require 8 kg of oxygen and produces 9kg of water.