True or False:

1) A solution is made up of at least two substances

2) A solution must contain at least one liquid

3) The solvent in a solution may be solid

How does salinity affect the density of water?

How do you know if a chemical reaction is present

A 40g sample of polyisoprene, which has a specific heat capacity of f 1.88 J 1.°c, is dropped into an insulated container containing 100g of water at 55C and a constant pressure of 1 atm. The initial temperature of the polyisoprene is 1.5C.

It is important to know the difference between atoms, ions, and isotopes. Choose all of the correct answers. An atom of oxygen and the ion of oxygen both have 8 protons. Electrons must be removed from a carbon atom to form an isotope.

Are gas planets less dense or more dense?

Which factor most directly affects potential energy?

Using John daltons method, what's the ratio of the chemical compound of Salt - NaC1

A solution of cough syrup contains 5.00% active ingredient by volume. if the total volume of the bottle is 41.0 ml, how many milliliters of active ingredient are in the bottle?

What factor is most important in determining whether water is a solid liquid or gas

Go'=30.5 kJ/mol a) Calculate the equilibrium constant for this reaction at 25C. b) Because deltaGo' assumes standard pH of 7, the equilibrium constant calculated in (a) corresponds to Keq' =