What is the molarity of a solution of 1/2 mol of cu (no3) 2 in 1/2 L water

Two substances, x and y, are to be identified. substance x cannot be broken down by a chemical change. substance y can be broken down by a chemical change. what can be concluded about these substances?

A gas has a volume of 10 liters under a pressure of 745 mm of Hg. What will the volume be at 720 mm pressure if the temperature remains the same? Show work.

How many atoms are represented in the formula CaCO3

150 words describing Bohr's model, and the fundamental principles behind it. Also, explain how Bohr's model is different from Rutherford's model.

Who described atoms as small spheres that could not be divided into anything smaller?

What would make bromine a group 17 element more similar to a noble gas

Use the following chemicals. ethanol, hexane, butanone, water, benzene, diethyl ether, ethyl acetate, acetone 4. Rank the solvents based on polarity, smallest to largest.

How long will it take for the concentration of xy to decrease to 12.5% of its initial concentration when the initial concentration is 0.100?

Which has a higher energy level 6d or 5s?

How far is the Earth for the moon?