What volume of 10M stock solution of HCL is needed to make 500 ml of. 100 M solution for an experiment?

How did Wegener explain why fossils of land animals were found on continents that are across oceans from one another?

What is the empirical formula for a compound that is 43.4% C, 1.2% H, 38.6% O, and 16.9% N?

What must an organism be able to take in

What is the formula for manganese (IV) dioxide

As the temperature of a chemical reaction in the gas phase is increased, the rate of the reaction increases because (1) fewer particle collisions occur (2) more effective particle collisions occur (3) the required activation energy increases (4) the

When a chemical reaction takes place, the number of atoms of each element in the reactants

A scientist is measuring the pressure that is exerted by each of the following gases in the atmosphere: carbon dioxide, oxygen, and nitrogen. Which term most likely describes what she is measuring?

How would you expect energy to change during a chemical reaction? A. Energy will be increased. B. Energy will be decreased. C. Energy will be converted into another form. D. Energy will be consumed.

In the formula for the compound xcl4 the x could represent

What is the main function of antibodies? A: "Remembering" the characteristics of germs that have invaded your body in the past B: Creating new white blood cells C: binding themselves to invading antigens D:Signaling your immune system that antigens