1 - Hard and symmetrical in shape forms from a solution called?

2 - The stuff which dissolves a substance is called?

Which is the correct net ionic equation for the following reaction: 2HI (aq) + Ca (OH) 2 (aq) Imported Asset CaI2 (aq) + H2O (l) ? A. H + (aq) + Ca+2 (aq) + 2 I - (aq) Imported Asset CaI2 (aq) B.

4Na + O2 - > 2Na2O In this chemical reaction, how many moles of Na2O will be produced if 2.90 moles of Na react completely? Express answer to three significant figures.

What is the mass of 1 mole of H202 (hydrogen perxide) ?

When a solution containing silver ions is mixed with another solution containing chloride ions, a precipitate of silver chloride forms. When 50.

Cobalt & Oxygen ... A covalent compound or an Ionic compound? ... ?

The host for this disease is the mosquito. Question 4 options: malaria HIV cholera small pox

How many milliliters of 1.50 M magnesium sulfate soulution is required to supply 2.50 mole of this salt?

What side does heat go on in an endothermic reaction?

Consider the chemical reaction represented below. CH4 + 2O2 CO2 + 2H2O + Heat Which of the following statements about this reaction is true? A. The reaction releases heat. B. Heat is absorbed by the reaction. C. The reaction releases oxygen. D.

Which phrase is a result of a scientific law? Daryl is a scientist at a research institute. He reviews articles written by other scientists. He conducts experiments after creating a hypothesis.