Answer to Question #68564 in Physical Chemistry for EMMANUEL

Question

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
Question 9 : In order to dissolve the greatest amount of sugar in a cup of water, you should __________.
use sugar crushed into small pieces, and heat the water
use sugar in large pieces, and heat the water
use sugar in large pieces, and cool the water
use sugar crushed into small pieces, and cool the water
Question 10 : The kinetic energy of gas molecules is directly proportional to temperature in ___________.
none of these
Kelvin
Celcius
degree kelvin

Answer 1

Question 6 : 269 o C;

Question 7 : Increased to 2V;

Question 9 : Area;

Question 9 : use sugar crushed into small pieces, and heat the water;

Question 10 : Kelvin.