The density of a gas measured at 20°C is 1.78 x 10-3 g/cm3. What is the volume of 45.0 g of the gas?

a.) 2.53 x 104 g/cm3
b.) 8.01 x 102 g/cm3
cl2,62 x 104 g/cm3

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?