Answer to Question #149165 in General Chemistry for Anshul singh

Question

1-Above what temperature does Nitrogen begin to react with Oxygen present in air
Select one:
a. 2300 K
b. 273 K
c. 1500 K
d. 373 K
2-By eliminating the loss of vaporized fuel from the fuel tank, the total vehicular emissions can be reduced at most by
Select one:
a. 10 %
b. 100 %
c. 30 %
d. 70 %
3-Which of the following gases is used in the Catalytic Reduction of NOx, present in the current automobile exhaust
gas mixture.
Select one:
a. Ammonia
b. Methane
c. Carbon-monoxide
d. Hydroge
4-Hexane (C6H14) is being used as a fuel. The Moles of Oxygen required for complete combustion of 1 Mole of the
fuel is:
Select one:
a. 9.5 moles
b. 10.25 moles
c. 10 moles
d. None of the above
5-Hexane (C6H14) is being used as a fuel. The Mass of air required for complete combustion of 1 Mole of the fuel is:
Select one:
a. 1407 gms
b. 1000 gms
c. 1304 gms
d. None of the above

Answer 1

1. a) 2300K
2. a) 10%
3. c) Carbon Monoxide
4. a) 9.5 moles
5. approximately 1450 g. Since the answer is not in any option, d is the correct choice