How do you preform water displacement

A solid crystal of NH3 is Question 24 options: soft, low melting, a poor electrical conductor. soft, low melting, a good electrical conductor. hard, high melting, a good electrical conductor. hard, high melting, a poor electrical conductor.

You have a ballon filled with hydrogen gas which keeps it at a constant pressure, regardless the volume. The initial volume of the gas is 736 mL at 15.0 C. The gas is heated until it's volume is 2.

What force holds the nucleus of an atom together

The true statement concerning the atomic nucleus is: It takes up most of the volume of the atom. It contains protons, neutrons, and electrons. It contains most of the mass of the atom. It is made up of electrons only.

A compound consists of 65.45% c, 5.492% h and 29.06%o. it has a molar mass of approximately 110 amu. determine the empirical and molecular formula of the compound

It is nighttime where Candice lives, so A. she will be able to see half of the Sun in the sky. B. she will be able to see both the Sun and the Moon in the sky. C. she will not be able to see the Sun in the sky. D.

How many moles are in 1.2*10^3g of ammonia

What are the two gases that escaped Earth's atmosphere during early formation? A. Helium and nitrogen B. Helium and oxygen C. Hydrogen and helium D. Hydrogen and nitrogen

Distinguish between elements, compound and mixture

How are atomic number, atomic mass and the number of protons in an element's atom related?