A substance that dissolves in water is said to be

If you move an object from the base of a mountain to the top of the mountain: mass and weight remain constant only mass remains constant only weight remains constant both mass and weight will change

A gas of 19 mL at a pressure of 740 mmHg can be expected to change its pressure when its volume changes to 30. mL. Express its new pressure in units of atmospheres.

Consider that the room is a closed system. Ryan uses the chemical energy in his muscles to create the energy of motion. He uses this energy of motion to pull the string on the clapper of a bell to produce a sound. Sound fills the room.

How many moles of H₂ would be required to produce 9.0 grams of water?

Identify the substances that are likely to dissociate in water

Suppose the volume of a container is decreased, but the same number of gas molecules is present at the same temperature. What will happen to the molecules? The molecules will increase in number. The molecules will decrease in number.

Zinc metal reacts with hydrochloric acid to produce hydrogen gas and an aqueous solution of zinc (ii) chloride. what is the reducing agent in this reaction? maybe prof. umbridge was right in trying to remove her.

What mass of H2SO4 is contained in 60.00 mL of a 5.85 M solution of sulfuric acid

One isotope has 6 protons and 8 neutrons which reference names this isotope

When an atom that has no charge loses two electrons, it becomes a: A: positive ion. B: negative ion. C: positive isotope. D: negative isotope.