Methane ch4 the major component of natural gas burns in air


Methane, CH4, the major component of natural gas burns in air to form CO2 and H2O. What mass of water is formed in the complete combustion of 5.00 ´ 103 g of CH4?

5.00 ´ 103 g
1.00 ´ 104 g
5.65 ´ 103 g
1.12 ´ 104 g
none of these

5.00' 10^3 assuming unlimited O2 & complete burn

5 CH4 + 10 O2 --> 5 O2 + 10 H2O

1 H2O = 18 g

18g x 10 = 180g x 2 = 360g

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Chemistry: Methane ch4 the major component of natural gas burns in air
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