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The concept of increased temperature calling for an increase in volume to maintain constant pressure can be found in the combined and/or ideal gas law. The combined gas law is PV=kNT, where P is pressure, V is volume, k is Boltzman's constant, N is number of gas molecules and T is temperature. The ideal gas law is PV=nRT where P is pressure, V is volume, n is number of moles of gas, R is gas constant and T is temperature. In both cases a rise in T would call for a rise in V to maintain constant P.

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Charles's Law, or the law of volumes, was found in 1787 by Jacques Charles. It says that, for an ideal gas at constant pressure, the volume is directly proportional to its temperature.

On the list of choices that you posted along with the question,

that law doesn't appear.

That was my Thermo teacher, whose name I can't remember. He wrote it

at the top of his hand-out on Boyle's Law, in the 1971 Fall Semester.

At constant pressure, you are dealing with Charles' Law.

Charles Gas Law

charles law

Q: Choose the law that matches this definition As the temperature on a gas increases the volume of the gas must also increase to maintain constant pressure?

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If the temperature increases, the conductivity will increase too which means the dielectric constant is reduced

Increases in direct proportion to the increase in temperature (on an absolute scale).

Density is mass divided by volume. For most substances, when the temperature increases the volume will increase (assuming constant pressure), but the mass will of course remain unaffected.

Speed of sound increase when temperature increases.

No. If the temperature of a gas increases at least one of the other two values must increase as well.

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If the temperature increases, the conductivity will increase too which means the dielectric constant is reduced

This is explained by Charle's law. Keeping volume constant, as the temperature increases then the pressure of the gas also increases.

The volume will increase in proportion to the increase in absolute temperature.

Increases in direct proportion to the increase in temperature (on an absolute scale).

as the pressure decreases the volume of gas increases at constant temperature

at constant temperature in a closedcontainer the increase in temperature increases the volume of a gas but not the mass.

increase

Assuming that pressure and the amount of matter are constant (meaning they do not change), volume will increase as temperature increases.

Charles's Law states that (Volume)/(Temperature) is constant, assuming constant pressure and moles of gas. This means that (V1)/(T1) = (V2)/(T2). So if the volume of the gas increases, V2 is bigger than V1; to keep the ratio constant, T2 must also increase, which represents an increase in temperature.

Resistance increases as temperature increases. If Voltage is held constant then according to Ohm's Law Voltage = Current x Resistance then current would decrease as resistance increases.

Guy-lussac's law

the resistant in ohmic devices is constant because it depend on temperature ..and temperature is constant independent of polarity of potential difference...btin non ohmic the tempt increase with voltage which increase due to the heat increase beacue of power dispition....collision of electrons increases find more resistenc for passing so resistence increases