El numero de moles en 70 gramos de HF

What is the molarity of a solution that has 10 moles of naoh dissolved in 100ml of water?

Chemical reaction will occur if ___ 1) the mass of the products is greater than the reactants 2) the products are more stable than the reactants 3) the products are the same stability as the reactants 4) the products are less stable than the

In which substance does phosphorus have a + 3 oxidation state?

Which of the following words correctly describes CO2? Select all that apply A. Its a substance b its a compound c its a element D its a mixture

An animal skeleton has a carbon-14 decay rate of 13.1 disintegrations per minute per gram of carbon. When did the animal die? (Assume that living organisms have a carbon-14 decay rate of 15.

Research three different types of fire extinguisher and explain how these can be used to put out different fires, you must relate this to the fire triangle and the section that is removed

If a mineral has a daughter to parent ration of 3:1 (three daughter atoms for every one parent atom), how many half-lives have passed since the mineral formed?

What is true of the enthalpy value of an intermediate reaction? A. It always has a negative enthalpy value B. It is multiplied by 2 if the intermediate reaction is multiplied by 2 C. It is the same as the total enthalpy of reaction D.

Calculate the percent composition of the compound that forms when 222.6 g N combines completely with 77.4 g 0. calculate to the nearest tenth of a percent.

How many moles of hcl will react with 450 mg of Al (OH) 3