The combustion of methane (in natural gas) forms carbon dioxide and water: CH 4
ID: 994872 • Letter: T
Question
The combustion of methane (in natural gas) forms carbon dioxide and water:
CH4 + 2 O2 CO2 + 2 H2O
How many grams of CO2 are formed for every gram of CH4 that combusts?
a. 12.5 b. 6.25 c. 3.125 d. 1.25The combustion of methane (in natural gas) forms carbon dioxide and water:
CH4 + 2 O2 CO2 + 2 H2O
How many grams of CO2 are formed for every gram of CH4 that combusts?
a. 0.36 b. 1.00 c. 2.75 d. 44A viscous liquid
A. resists flow. b. has a very high density. c. has a high surface tension. d. boils at low temperatures.
Explanation / Answer
P4 + 5 O2 ---------> 2 P2O5
from the rate equation,
-1/5 d[O2]/dt = 1/2 d[P2O5]/dt
-d[O2]/dt = 5/2 x 1.25
-d[O2]/dt = 3.125
Therefore answer is , option (c).