When the temperature of a quantity of 0°-C air at constant pressure is lowered by 1 degree, its volume
A) shrinks by 1/273.
B) shrinks by 100/273.
C) increases by 1/273.
D) increases by 100/273.
Answer: A
You might also like to view...
A wave is traveling with a velocity of 350 m/s and strikes a surface at an angle of 30.0 degrees with the normal to the surface. The wave splits into a reflected part and a refracted part. The refracted wave travels with a velocity of 300 m/s. What is the angle of refraction?
A. 50.4 degrees B. 45.2 degrees C. 40.4 degrees D. 38.4 degrees E. 25.4 degrees
What is the approximate chemical composition (by mass) with which all stars are born?
A) 3/4 hydrogen, 1/4 helium, no more than about 2% heavier elements B) half hydrogen and half helium C) 98% hydrogen, 2% helium D) 95% hydrogen, 4% helium, no more than 1% heavier elements
Consider the two systems below, labeled A and B
A B
Which gas has the higher pressure?
You want to insert an aluminum rod, which at 20°C has a radius of 1.00020 cm into a copper tube which has a radius of 1.00010 cm at the same temperature
You decide to put both of them in the refrigerator. At what temperature will the rod just fit if both are cooled to the same temperature? The coefficient of thermal expansion for aluminum is 2.4 × 10-5K-1, and that of copper is 1.7 × 10-5K-1. A) 7.8°C B) 6.3°C C) 9.2°C D) 14.7°C E) 5.7°C