zno-zn (oh) 2-znso4-zn (oh) 2-zno-zn (no3) 2

Which of the following are physical properties of matter A. size, shape, and color B. phase of matter and temperature C. density, solubility, and hardness D. all of these

Warning signs are sometimes placed on aerosol cans to prevent people from throwing them into a fire. What would be true about the contents of the gas in an aerosol can just after it is placed in a fire?

The process by which all the different kinds of living things have changed over long periods of time is called

how many grams of nahco3 (fm84.007) must be added ro 4.00g of k2co3 (fm 138.206) to give a ph of 10.80 in 500ml of water

A beaker contains 0.50 mol of potassium bromide in 600 ml of water. an additional 600 ml of water is added. the number of moles of potassium bromide in the beaker is

Which term represents the sum of the atomic masses of the atom in a molecule?

How many hydrogen atoms are present in 0.70 moles of ptcl2 (nh3) 2?

What is the [H3O+] of a solution with a pH of 2.56? 2.56 M, 2.75 x 10-3 M, 363 M, or - 0.408 M

What is the law of conservation of energy? A) energy can only be destroyed B) energy will always be renewed. C) energy cannot be created of destroyed. D) energy can never change forms.

Most metals are solid at room temperature, malleable, ductile, good conductors of heat and electricity, and react in acids to produce hydrogen gas. which of the properties mentioned is a chemical property? a. are malleable b. reacts with acids c.