What is a Chemical change at a movie theater?

A solution that has reached equilibrium and has undissolved solute remaining in the solution must be

What are the five major divisions of chemistry?

Calcium carbonate, when heated, forms calcium oxide and carbon dioxide. 100grams of calcium carbonate will produce 56grams of calcium oxide. How many grams of carbon dioxide will it produce? Show working out

Two liquids that are soluble in each other in any proportion are said to be what?

As the number of neutrons in the nucleus of a given atom of an element increases the atomic number of that element

What is 19 hundred thousandths in scientific notation

There state of matter that keeps its shape and volume when it is placed in a container

Our body solution tests at a pH of about 6.8. This pH is:

A diatomic gas has the molar mass of 38.00g/mol. what is the possible formula?

Which of the following is the final concentration of KCl if 500 ml of 0.25 M KCl is diluted to a final volume of 5 L? 0.025 L 0.0025 L 25 L 2.5 L