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The Train Wheel Gauge (The Distance Between Rails on a Train

question 144

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The train wheel gauge (the distance between rails on a train track) is different in Mongolia than in Russia. When a train travels from one country into the other, the wheels on each train car must be changed at the border to allow the train to fit onto the track across the border in the other country. This situation indicates that


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Products

Substances that are formed as a result of a chemical reaction, found on the right side of a chemical equation.

Constant Temperature

A condition or process that occurs at an unchanging temperature, regardless of other varying factors.

Chemical Reaction

A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.

Constant Pressure

A condition or process in which the pressure remains unchanged over time.

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