Water freezing to form ice melting a gold chain to create a gold ring breaking a window into smaller pieces These may all be classified as A) chemical change. B) physical change. C) chemical decomposition. D) increasing surface volume.

If 1.50 μg of CO and 6.80 μg of H2 were added to a reaction vessel, and the reaction went to completion, how many gas particles would there be in the reaction vessel assuming no gas particles dissolve into the methanol?

How will four electrons be distributed in three empty 2p atomic orbitals? A-one electron in each orbital B-two electrons in one orbital, one in another, one in the third C-four electrons cannot fill three empty 2p atomic orbitals D-four in one

What is the mass of 1.00 mile of NE

What is an endothermic reaction? what is an endothermic reaction? it is a reaction where there is a net adsorption of energy from a reaction. it is a reaction that requires heat as a reactant.

Give 3 examples of things that are not matter

How should a stopper be handled after is has been removed from a reagent bottle?

Which of the following would most likely contain carbon? a. trees b. uranium c. water d. salt

Water becomes a gas. what step is this?

If 125 mL of a 1.1 M glucose solution is diluted to 500.0 mL, what is the molarity of the diluted solution? Express your answer using two significant figures.

What do you chemically call water?