What are fossils? What is the fossil record? Why is the fossil record important?

What pressure is exerted by 932.3 g of CH4 in a 0.560 L steel container at 136.2 K?

What element on the periodic table has a mass number of 155 and 99 for the number of electrons

For some jobs, "good enough" is good enough. That's sometimes true in chemistry. More often, though, careful planning, calculations, measurement, and laboratory work are necessary to get the desired result.

Calculate the number of atoms in 150grams of aluminium

A light bulb contains 0.0560 g of argon gas with a pressure of 1.34 atm at 26.0 c. The light bulb is then turned on and, after a period of time, the temperature rises to 179c. Calculate the final pressure the light bulb

Why are phosphates in laundry detergent

What is the name of the scientist who discovered the electron

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