Question

Can someone please help me understand this?

A balloon inflated in a room that is 34°C has a volume of 5.00 liters. The room is then heated to a temperature of 68°C. What is the new volume if the pressure remains constant?

Charles's law equation, V1 ÷ T1 = V2 ÷ T2. Then solve for the unknown volume.

Remember, you need to calculate temperature in kelvin. So you will need to add 273 to T1 and T2 when you plug it into the equation.
A. 5.55 liters
B. 10 liters
C. 6.24 liters
D. 22.7liters

Answer 1

French physicist Jacques Charles (1746-1823) studied the effect of temperature on the volume of a gas at constant pressure. Charles's Law states that the volume of a given mass of gas varies directly with the absolute temperature of the gas when pressure is kept constant. The absolute temperature is temperature measured with the Kelvin scale. The Kelvin scale must be used because zero on the Kelvin scale corresponds to a complete stop of molecular motion.

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Figure 11.5.1: As a container of confined gas is heated, its molecules increase in kinetic energy and push the movable piston outward, resulting in an increase in volume.

Mathematically, the direct relationship of Charles's Law can be represented by the following equation:

V

T

=k

As with Boyle's Law, k is constant only for a given gas sample. The table below shows temperature and volume data for a set amount of gas at a constant pressure. The third column is the constant for this particular data set and is always equal to the volume divided by the Kelvin temperature.

Step-by-step explanation:

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