A catalyst is: A. a solid product of a reaction. B. one of the reactants in a single-replacement reaction. C. not used up in a reaction. D. the product of a combustion reaction.

You need to prepare 100mL of a 0.125M CuSO4 stock solution. Explain how you would prepare?

and is laid down in layers through processes of

How many atoms of iron are there in 2.01 moles of wolframite FeWO4

He accepted value for the density of liquid mercury is 13.5336 g/mL. Four scientists measure the density of liquid mercury in their individual laboratories. The most accurate measurement is made by

if 5.00g of nitrogen gas and 15.0g of hydrogen is added to an evacuated 7.50l steel container and the steel container is sealed at room temparature of 25.5C. what is the initial temperature of each gas

In the reaction of magnesium with oxygen gas, a considerable amount of energy was released. This is an example of an exothermic reaction.

Why does an air bubble rise to the surface of a glass of water?

What term expresses the ratio of moles of reactants and products according to the coefficients in the balanced chemical equation? A) mole ratio B) reactant ratio C) product ratio D) yield ratio E) none of the above

What are some examples of kinetic energy

Under which conditions would the solubility of a gas be greatest? high pressure and high temperature high pressure and low temperature low pressure and high temperature low pressure and low temperature