Dalton's theory of atoms said that the masses of elements in a compound are always?

True or false Boyles law states that as tge temperature of a gas increases the volume increases

If we compare and contrast electromagnetic waves with sound waves, all BUT one statement is true. That is

Sue poured some sand into a pan. Which other item should sue add to the pan in order to model stream erosion? A. An electric fan B. A packet of grass seeds C. A block of ice D. A glass of water

Why is an environmental contingency plan important

How many moles of chlorine (Cl) atoms are in a sample of 1.72 * 1022 atoms? a. 0.0286 mol Cl b. 35.0 mol Cl c. 1.03 * 1023 mol Cl d. 1.04 * 1046 mol Cl

Ammonia can be prepared by the reaction of magnesium nitride with water. The products are ammonia and magnesium hydroxide. Write and balance the equation.

Which period is the shortest in the long form of the periodic table? Name all the elements in this period.

A mole of gas at 0.0oC and 760. torr occupies 22.4 L. What is the volume of this gas at 25. oC and 760. torr

Is a nylon string conductor or insulator

Discuss 2 ways the cells are alike