Calculate the molarity of 0.700 mol of na2s in 1.40 l of solution.

The American colonies said there should be no taxation without representation. In 1766, Parliament responded by passing the A. Declaratory Act. B. Stamp Act. C. Sugar Act. D. Townshend Acts.

Why did water dissolve the packing peanuts?

Why are plastics called "plastics"?

Which can cause auroras and disrupt satellite tranmission

A green solution of a pH indicator was added to a sample of spring water. The resulting solution was yellow. Was the observed change due to a physical or a chemical change

Identical forces act for the same length of time on two different masses. The change in momentum of the smaller mass is A) smaller than the change in momentum of the larger mass, but not zero. B) zero.

How many nuclei of 238 92 U 92 238 U remain in a rock if the activity registers 290 decays per second? (Note that the half life of Uranium-238 is 4.468x109 years)

A base can neutralize an acid. true or false

Hydrochloric acid (12.0 ml of 0.233 m) is added to 296.0 ml of 0.0579 m ba (oh) 2 solution. what is the concentration of the excess h + or oh - ions left in this solution?

Which are the organs of the digestive system