Gas Law Problems- Charles' Law


Abbreviations				Conversions
atm - atmosphere			K  =  °C  +  273
mm Hg - millimeters of mercury		1 cm3 (cubic centimeter)  =  1 mL (milliliter)
torr - another name for mm Hg		1 dm3 (cubic decimeter)  =  1 L (liter)  =  1000 mL
Pa - Pascal (kPa  =  kilo Pascal)	Standard Conditions
K - Kelvin				0.00 °C  =  273 K
°C - degrees Celsius			1.00 atm  =  760.0 mm Hg  =  101.325 kPa  =  101,325 Pa

Go to answers #32-43.

Go to answers #44-55.

32. Calculate the decrease in temperature when 2.00 L at 20.0 °C is compressed to 1.00 L.

33. 600.0 mL of air is at 20.0 °C. What is the volume at 60.0 °C?

34. A gas occupies 900.0 mL at a temperature of 27.0 °C. What is the volume at 132.0 °C?

35. What change in volume results if 60.0 mL of gas is cooled from 33.0 °C to 5.00 °C?

36. Given 300.0 mL of a gas at 17.0 °C. What is its volume at 10.0 °C?

37. A gas occupies 1.00 L at standard temperature. What is the volume at 333.0 °C?

38. At 27.00 °C a gas has a volume of 6.00 L. What will the volume be at 150.0 °C?

39. At 225.0 °C a gas has a volume of 400.0 mL. What is the volume of this gas at 127.0 °C?

40. At 210.0 °C a gas has a volume of 8.00 L. What is the volume of this gas at -23.0 °C?

41. The temperature of a 4.00 L sample of gas is changed from 10.0 °C to 20.0 °C. What will the volume of this gas be at the new temperature if the pressure is held constant?

42. Carbon dioxide is usually formed when gasoline is burned. If 30.0 L of CO2 is produced at a temperature of 1.00 x 103 °C and allowed to reach room temperature (25.0 °C) without any pressure changes, what is the new volume of the carbon dioxide?

43. A 600.0 mL sample of nitrogen is warmed from 77.0 °C to 86.0 °C. Find its new volume if the pressure remains constant.

44. What volume change occurs to a 400.0 mL gas sample as the temperature increases from 22.0 °C to 30.0 °C?

45. A gas syringe contains 56.05 milliliters of a gas at 315.1 K. Determine the volume that the gas will occupy if the temperature is increased to 380.5 K

46. A gas syringe contains 42.3 milliliters of a gas at 98.15 °C. Determine the volume that the gas will occupy if the temperature is decreased to -18.50 °C.

47. When the temperature of a gas decreases, does the volume increase or decrease?

48. If the Kelvin temperature of a gas is doubled, the volume of the gas will increase by ____.

49. Solve the Charles' Law equation for V2.

50. Charles' Law deals with what quantities?

a. pressure/temperature
b. pressure/volume
c. volume/temperature
d. volume/temperature/pressure

51. If 540.0 mL of nitrogen at 0.00 °C is heated to a temperature of 100.0 °C what will be the new volume of the gas?

52. A balloon has a volume of 2500.0 mL on a day when the temperature is 30.0 °C. If the temperature at night falls to 10.0 °C, what will be the volume of the balloon if the pressure remains constant?

53. When 50.0 liters of oxygen at 20.0 °C is compressed to 5.00 liters, what must the new temperature be to maintain constant pressure?

54. If 15.0 liters of neon at 25.0 °C is allowed to expand to 45.0 liters, what must the new temperature be to maintain constant pressure?

55. 3.50 liters of a gas at 727.0 K will occupy how many liters at 153.0 K?


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