Which sentence describes energy?

O A. It measures changes in the temperature of an object.

B. It measures the speed at which an object is moving.

O C. It measures the capacity to do work.

D. It measures the amount of mass an object has.

How are biotic factors different from abiotic factors?

An electron na hydrogen atom moves from level to level 4 The electron then drops from level 4 to level 2.

Anthracite is a type of coal that is composed of carbon with small amounts of hydrogen, oxygen, nitrogen, and sulfur. The formula for a sample of anthracite is C 240 H 90 O 4 NS. Calculate the amount of carbon in 40.0 kg of the sample.

A 12.45 g piece of metal at 99.4 o C is placed into 100.0 g of water at 22.0 o C. If the final temperature of the water is 29.5 o C, what is the heat capacity of the metal?

How many grams of chromium are required to react with 125ml of 0.75m cuso4?

What happens when an oceanic plate collides with a continental plate? Select one: a. Neither plate moves under the other. b. The continental plate moves under the oceanic plate. c. The oceanic plate moves under the continental plate

Write a short explanation about the "cheater" way to find the # of valence electrons an element has, and explain what valence electrons have to do with elements bonding?

What type of energy is associated with random motion of the particles in a sample of gas

Consider the compound Al (NO3) 3 and answer the following questions: What is the name of this compound? What is the molar mass of this compound? Explain how you calculated this value.

Which oxide is Mn2O3?