How do you find volume when given pressure?
First, let’s review the ideal gas law, PV = nRT. In this equation, ‘P’ is the pressure in atmospheres, ‘V’ is the volume in liters, ‘n’ is the number of particles in moles, ‘T’ is the temperature in Kelvin and ‘R’ is the ideal gas constant (0.0821 liter atmospheres per moles Kelvin).
How do you find the number of moles given volume pressure and temperature?
Multiply the volume and pressure and divide the product by the temperature and the molar gas constant to calculate moles of the hydrogen gas. In the example, the amount of hydrogen is 202,650 x 0.025 / 293.15 x 8.314472 = 2.078 moles.
How do you find moles from volume?
MOLES FROM VOLUME OF PURE LIQUID OR SOLID Multiply the volume by the density to get the mass. Divide the mass by the molar mass to get the number of moles.
How do you find the volume of a balloon?
Place the bucket inside of the larger container, fill the bucket with water, now place an inflated balloon into the bucket of water (bucket must be filled to the brim), totally submerge it, remove bucket, and dump the water in the larger container into the measuring container, measure the water, you now have the volume …
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What is the pressure when a balloon is inflated with helium?
A balloon is inflated with 2.42 L of helium at a temperature of 27°C. Later, the volume of the balloon has changed to 2.37 L at a temperature of 19°C and a pressure of 99.7 kPa. What was the pressure when the balloon was inflated?
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What is the temperature at which the sample occupies 292 ml?
The next day, the sample occupies 292 mL at a temperature of 11°C. What is the new pressure of the gas? A balloon is inflated with 2.42 L of helium at a temperature of 27°C. Later, the volume of the balloon has changed to 2.37 L at a temperature of 19°C and a pressure of 99.7 kPa.