CHARLES ' LAW- Science 10

Which among the units of measurements below can be the standard unit of temperature?

• Celsius

• Centigrade

• Fahrenheit

• Kelvin

Charles’ Law experiment showed that various gases expanded by the same amount when heated through the same temperature interval. What is the mathematical expression of Charles’ Law?

• V₁/T₁ = V₂/T_2

• V1 = T1

• .V2T2 = V1T2

• V1 = V2 T2 V2 T1 T2

Jacques Alexandre Charles performed an experiment in a balloon, hot water, and cold water. Which of the following statements is proposed in Charles’ Law?

• The Kelvin temperature and the volume of a gas are directly related at constant pressure.

• The pressure of a fixed amount of a gas is directly proportional to the absolute temperature (Kelvin).

• The volume of a given mass of gas held at constant temperature is inversely proportional to its pressure

• The volume of a gas varies directly with the number of moles and absolute temperature and inversely proportional with pressure.

A 132 mL of gas is measured at 380 ⁰C. If the pressure remains constant, what will be the volume of the gas at 100 ⁰C?

• 75.40 mL

• 120. 12 mL

• 311.15 mL

• 37, 375.8 mL

As the temperature increases, the molecules within any given gas begin to move around more quickly. What will happen to a helium balloon on a cold day?

• The balloon will explode.

• The balloon will crumble.

• The balloon will be flattened.

• The balloon will remain inflated.