% Composition of Dry Air
Component %
Nitrogen 78.08
Oxygen 20.95
Carbon dioxide 0.04
Argon and others 0.93
Total 100.00

If the total pressure of dry air is 101.32 kPa, compute the partial pressure of the oxygen in the air.
A) 20.95 kPa
B) 21.23 kPa
C) 32.00 kPa
D) 101.32 kPa

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?