A student masses a sample of clay on a balance. She successfully creates it into the shape of an ice cream cone, a donut, and a hollow ball, massing the clay after each creation. Which clay creation will have the greatest mass? A. Ice Cream Cone
B. Hollow Ball
C. Donut
D. The mass will be the same for all

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils