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?
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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