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Law of Combining Volumes problems

Law of Combining Volumes example question

What volume of O2(g) is consumed in the combustion of 125 g of gaseous dimethyl ether, (CH3)2O, if both gas volumes are measured at the same temperature and pressure at which the density of dimethyl ether is 1.81 g/L?

 

Solution to this Law of Combining Volumes practice problem is given in the video below!



 

Ideal Gas Law problems

Ideal Gas Law example question

How many grams of N2(g), at 25.0 ºC and 734 Torr, will occupy the same volume as 25.0 g O2(g) at 30.0 ºC and 755 Torr?

 

Solution to this Ideal Gas Law practice problem is given in the video below!



 

Combined Gas Law problems

Combined Gas Law example question

Use the Combined Gas Law to derive an expression relating the pressure and amount of gas when both the temperature and volume remain constant. Then use the derived equation to solve for the final pressure of the gas.

 

Solution to this Combined Gas Law practice problem is given in the video below!



 

Avogadro’s Gas Law Mole Volume problems

Avogadro’s Gas Law Mole & Volume example question

Solid carbon dioxide, called dry ice, is useful in maintaining frozen foods because it vaporizes to CO2(g) rather than melting to a liquid. How many liters of CO2(g), measured at STP, will be produced by the vaporization of a block of dry ice (d = 1.56 g/cm3) that measures 12.0 in. x 12.0 in. x 2.00 in.?

 

Solution to this Gas Mole Volume practice problem is given in the video below!



 

Charles’s Gas Law Temperature Volume problems

Charles’s Gas Law Temperature & Volume example question

A balloon indoors, where the temperature is 27 ºC, has a volume of 2.00 L. Assuming that the pressure remains constant, find the temperature in kelvins and in degrees Celsius needed to have the volume of 2.25 L.

 

Solution to this Gas Temperature Volume practice problem is given in the video below!



 

Boyle’s Gas Law Pressure Volume problems

Boyle’s Law Gas Pressure & Volume example question

A sample air occupies 73.3 mL at 98.7 kPa and 0 ºC. What volume will the air occupy at 4.02 atm and the same temperature?

 

Solution to this Gas Pressure Volume practice problem is given in the video below!



 

Gas Pressure problems

Atmospheric Pressure example question

What is the pressure, in Kilopascals and in Atmospheres, if a force of   is exerted on an area of 5.00 cm2?

 

Solution to this Atmospheric Pressure practice problem is given in the video below!



Atmospheric Pressure example problem

A diver reaches a depth of 30.0 m. What is the pressure in atmospheres that is exerted by this depth of water? What is the TOTAL pressure the diver experiences at this depth?

 

Solution to this Atmospheric Pressure practice problem is given in the video below!






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