Moles in 9.8g of calcium

A chemistry teacher carried out several demonstrations, and students recorded their observations. For one of the demonstrations, a student concluded that a physical change took place, but not a chemical change.

The fully hydrated form of sodium sulfate is the decahydrate, Na2SO4 • 10H2O. When heated the hydrated salt loses water.

Which state of matter would be described as having highly energized charged particles which move extremely fast

They come in many different shapes and sizes what rock is it sedimentary igneous metamorphic

What is the volume of 34 grams of carbon dioxide at stp

How many atoms does a molecule of sodium chloride contain?

Why do certain types of honey rarely crystallize?

What is the pOH of a 2.1x10^-6 m oh - solution? pOH=?

Certain types of organisms such as fireflies and anglerfish can produce light through chemical reactions in a process called bioluminescence.

Water drops forming on the outside of a cold glass is an example of which phase change