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8 February, 18:07

The volume of a gas is directly related to the temperature of the gas. At 20 degrees Celsius a certain gas has a volume of 125 cubic centimeters. What will the new volume be at 50 degrees Celsius

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  1. 8 February, 18:19
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    Step-by-step explanation:

    When two variables are directly proportional, then an increase in the value of one variable would cause a corresponding increase in the value of the other variable. Also, a decrease in the value of one variable would cause a corresponding decrease in the value of the other variable.

    The volume of a gas is directly related to the temperature of the gas. If V represents volume, T represents temperature and k represents the constant of proportionality, the expression becomes

    V = kT

    At 20 degrees Celsius a certain gas has a volume of 125 cubic centimeters. It means that

    125 = 20k

    k = 125/20

    k = 6.25

    The equation becomes

    V = 6.25T

    When T = 50 degrees Celsius, the new volume would be

    V = 6.25 * 50

    V = 312.5 cubic centimeters
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