Answer to Question #68561 in Physical Chemistry for EMMANUEL

Question #68561

Question 5 : Which statement is true?
More than one of these is true
As temperature goes up, the solubility of gases goes up
As temperature goes up, the solubility of solids goes up.
As temperature goes down, the solubility of solids goes up
Question 6 : A sample of nitrogen occupies 5.50 liters under a pressure of 900 torr at 25oC. At what temperature will it occupy 10.0 liters at the same pressure?
154 oC
−109oC
269 oC
32 oC
Question 7 : A sample of an ideal gas is held at constant temperature. If the pressure is decreased to ½ P, the volume will be _________.
reduced in multiples of two
Increased to 2V
Unchanged
Decreased to ½ V
Question 8 : Which of these is a derived physical quantity?
Time
Luminous intensity
Mass
Area

Expert's answer

Question 5: As temperature goes up, the solubility of solids goes up;

Question 6 : 269 ;

Question 7 : Increased to 2V;

Question 8 : Area.