Combined Gas Law Practice Problem: Find New Volume (Constant Pressure) @wbreslyn

Uploaded September 2024 | Updated September 2026, 2 weeks ago

In this video, we'll solve a combined gas law problem where the pressure remains constant. This simplifies the combined gas law equation to V1/T1 = V2/T2, allowing us to focus on the relationship between volume and temperature.

Problem:

3.22 L of a gas is collected at 23.0° C. What will be its volume after it cools to 15.0° Celsius if the pressure remains constant?

We'll use the simplified combined gas law equation to calculate the new volume, given the initial volume and temperature, and the final temperature. Remember, we'll need to convert temperatures to Kelvin before plugging them into the equation.

Combined Gas Law Practice Problem: Find New Volume (Constant Pressure)

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Combined Gas Law Practice Problem: Find New Volume

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$Convert 6.0 L to mL (6 Liters to Milliliters) To convert 6 liters (L) to milliliters (mL), you can use the following steps. Note that the L will cancel out as you perform the conversion, leaving only mL: Conversion Factor: 1 liter (L) = 1000 milliliters (mL) Start with the quantity you want to convert (6 L) and set up a ratio where the original unit (L) is in the denominator and the target unit (mL) is in the numerator, using the conversion factor: Conversion factor: 1000 mL / 1 L Write the quantity you want to convert (6 L) as a fraction over 1: 6 L / 1 Multiply this fraction by the conversion factor: (6 L / 1) * (1000 mL / 1 L) Notice that the units of liters (L) in the numerator and denominator cancel out, leaving only the units of milliliters (mL): (6 * 1000) / (1 * 1) mL = 6000 / 1 mL = 6000 mL So, 6 L is equivalent to 6000 milliliters. The units of liters cancel out during the conversion process, leaving only milliliters as the final unit.$

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