What is the balanced product of Ba (CN) 2 + (NH4) 2SO4

If 24.6 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 301 Kelvin and 1.01 atmospheres? Show all of the work used to solve this problem. 2Li (s) + 2H2O (l) yields 2LiOH (aq) + H2 (g)

Ms. Block's students are studying chemical reactions as well as the law of conservation of matter. A classic reaction occurs when a metal is added to hydrochloric acid.

More Americans are obese today than 40 years ago because: We are eating less and moving less We are eating more and moving more We are eating more and moving less Americans are not obese

How hot does a solid have to be to change into a liquid?

Explain why boats made of iron are able to float. The density of iron is 7.86x10^3 g/L

Air is transferred from a 75 L tank where the pressure is 125 psi and the temperture is 288 k to a tire with a volume of 6.1 L and a pressure of 25 psi. What is the new temperture.

Which of the following is a measure of randomness in a system? A) entropy. B) kinetic energy. C) potential energy. D) chemical energy.

What substance can be broken down by chemical means? A) ammonia B) aluminum C) antimony D) argon (Castle learning question)

How the law of conservation of mass could be useful for investigating chemical changes

A covalent chemical bond is one in which outer-shell electrons of two atoms are shared so as to satisfactorily fill the outer electron shells of both atoms. protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms.