Answer to Question #62218 in General Chemistry for Hafsa

Question

1) At a pressure 48 kPa, the gas in a cylinder has a volume of 15 liters. Assuming temperature remains the same, if the volume of the gas is decreased to 8 liters, what is the new pressure? kPa

2) The gas in a cylinder has a volume of 4 liters at a pressure of 116 kPa. The pressure of the gas is increased to 222 kPa. Assuming the temperature remains constant, what would the new volume be? L

3) If a solid piece of naphthalene is heated and remains at 80°C until it is completely melted, you know that 80ºC is the
A. freezing point of naphthalene.
B. melting point of naphthalene.
C. boiling point of naphthalene.
D. both a and b