4.)Â In the formation of smog, nitrogen and oxygen gas react to form nitrogen dioxide:
N2(g)+2O2(g)→2NO2(g)
How many grams of NO2 will be produced when 1.7 L of nitrogen at 870 mmHg and 26 ∘C are completely reacted?
Express your answer using two significant figures.
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5.) Two flasks of equal volume and at the same temperature contain different gases. One flask contains 10.0 g of Ne and the other flask contains 10.0 g of He.
Which of the following statements are correct?
Check all that apply.
Check all that apply.
Both flasks contain the same number of atoms.
The densities of the gases are the same.
The pressures in the flasks are the same.
The flask that contains helium has a higher pressure than the flask that contains neon.
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6.) When sensors in a car detect a collision, they cause the reaction of sodium azide, NaN3, which generates nitrogen gas to fill the air bags within 0.03 s.Â
2NaN3(s)→2Na(s)+3N2(g)
How many liters of N2 are produced at STP if the air bag contains 125 g of NaN3?
Express your answer with the appropriate units.
Answers
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Posted 15 May 2017 03:05 AM
My Price 6.00
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