Which are true statements?

Check all that apply.

A. 1 mol is 6.02 * 1023 of something.

B. 6.02 * 1023 g is the weight of 1 mol.

C. The mass of 1 mol is the same as the atomic mass in grams.

D. A mole is the atomic mass.

Two railroad cars, each of mass 6500 kg and traveling 80 km/h in opposite directions, collide head-on and come to rest. how much thermal energy is produced in this collision?

Can you think of any common ""real-life"" situations in which an understanding of conservation would allow a concrete operational child to react differently than a preoperational child? Provide several examples in the space below.

Among of energy in a photon of light is proportional to the a. medium through which it travels. b. shape of the light wave it creates c. speed of the corresponding light wave d. frequency of the corresponding light wave

Why does straightening the curve not change the equation that represents the graph

Which type of planet is most likely to have volcanoes?

The force of gravity on a 2-kg rock is twice as great as that on a 1-kg rock. why then doesn't the heavier rock fall faster?

Which of the following statements is true of the carbohydrate glucose? A. Glucose is a pentose sugar B. Glucose is a polysaccharide C. Glucose contains carbon, hydrogen, and oxygen atoms

Who first proved that the sun is not at or even close to the center of the milky way galaxy?

How does the potential energy of an object change when its height is tripled

Equal masses are suspended from two separate wires made of the same material. The wires have identical lengths. The first wire has a larger cross-sectional area than the second wire. Which wire will stretch the LEAST? a.