ice is less dense than liquid water, the property of water observed by ice floating in a glass of water is?

One of the characteristics of an acid-base reaction is that this type of reaction forms water true or false

6. Give an example of a dependent variable and an independent variable.

An open-minded scientist does all of the following except A. think creatively to design experiments. B. accept new ideas that he or she doesn't agree with. C. ask questions about observations. D. question existing ideas.

What is the gaseous form of water known as? a. Steam c. Smoke b. Ice d. Fog

Which of the following has a charge? O molecule O atom ion o element

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.