Which set expresses the following numbers in scientific notation?: seven hundred-millionths, seven hundred million, and seven ten-thousandths.

What is the molar mass of ace tic acid

Which statements best describe plantesimals

A flexible container is put in a deep freeze. Its original volume is 3.00 m3 at 25.0°C. After the container cools, it has shrunk to 2.00 m3. Its new temperature in degrees Celsius is

Who is the english chemist who developed the atomic theory that elements are made up of atoms that are identical and that these can be combined in definite proportions?

How can you find the energy levels of an atom

Which of these is not a covalent molecule? 1. F2 2. CO 3. LiF 4. NH3

Define buffer capacity. a. buffer capacity is the amount of acid or base that can be added to a buffer without destroying its effectiveness. b. buffer capacity is the amount of acid that can be added until all of the base is used up. c.

Which of the following is not a chemical reaction a) gas formation b) solid formation c) energy change d) state change

How many moles of copper are needed to react with sulfur to produce 0.25 moles Ol copper (1) sulfide according to the following reaction: 2 Cu + S + Cuzs

If you wish to warm 52 kg of water by 22 ∘c for your bath, find what the quantity of heat is needed. express your answer in calories cal.