Let’s assume that you put a balloon into the freezer. initially, the balloon had 3.0liters of gas at a pressure of 400kpa and was at a temperature f 294k. if the balloon is cooled to 277k and it’s volume decreased to 1l, what will the new pressure in the balloon be?

If the element whose electric configuration ends in the d sublevel, the element is calssified as? a.inner transition b.noble gases c.representative d. transition

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

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?