A large sample of solid calcium sulfate is crushed into smaller pieces for testing. which two physical properties are the same for both the large sample and one of the smaller pieces?

Arithmetic - 30,-21,-12,-3

What temperature, pressure, and water vapor concentration would you expect to see in the Stratopause?

How many molecules are in 3.5 moles of ethanol

A second is the basic unit of measurement for

How does food waste contribute to climate change?

Does a mole of hydrogen have the same mass as a mole of oxygen? explain your answer.

A 0.500-L sample of H₂SO₄ solution was analyzed by taking a 100.0mL aliquot and adding mL of. After the reaction occurred, an excess of ions remained in the solution. The excess base required mL of for neutralization.

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