Air Bags in Cars Inflate When an Electrical Spark Activates

question 116

Multiple Choice

Air bags in cars inflate when an electrical spark activates sodium azide (NaN₃) so that it decomposes to sodium metal, Na, and nitrogen gas, N₂. In the balanced reaction equation, how many moles of nitrogen gas are formed for each mole of sodium azide?

• A)1
• B)1.5
• C)2
• D)3
• E)2.5

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Definitions:

Direct Exchange

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Eurobond

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International Bond

A debt investment that is issued in a country by a non-domestic entity, potentially denominated in a foreign currency, and sold to investors from around the world.

Purchasing Power Parity

Purchasing power parity is an economic theory that compares different countries' currencies through a "basket of goods" approach, assuming that exchange rates should adjust so that identical goods cost the same in different countries.