Hydrocarbons are compounds that contain

(1) carbon, only

(2) carbon and hydrogen, only

(3) carbon, hydrogen, and oxygen, only

(4) carbon, hydrogen, oxygen, and nitrogen, only

What is the formula for the conjugate base formed by the following acid HCN

What are the values of STP

One radioactive isotope of calcium has an atomic mass of 47, how many neutrons are in the calcium - 47 nucleus

How are oxonium salts formed? with reaction

Can you use endocytosis in a sentence

Which two bases pair with each other?

What is the main cause of increased erosion

Where should you keep your glass of soda if you want it to remain fizzy

Why do the atoms in a piece of copper metal have no net charge? -The charges of the positive and negative copper ions cancel each other out. -The number of electrons surrounding each copper nucleus doesn't change.

In a closed system, the total heat given off by warmer substances equals the total heat energy gained by cooler substances (qwater = - qliquid).