Inorganic Chemistry Answers

how can you create a calcium hydroxide or limewater using calcium carbonate?
http://en.wikipedia.org/wiki/Limewater

besides using sodium hydroxide, what are the other chemicals which are also alkali?

what chemical should you add to make these solid?
calcium carbonate + water + what chemical?
Thankyou

what is the mass of 1.20x10^25 atoms of Sodium?

A balloon filled with helium gas occupies 2.50 L at 25 degrees celcius and 1.00 atm. When released, it rises to an atlitude where the temperature is 18 degrees celcius and the pressure is only 0.80 atm. Calculate the new volume of the balloon.

Calculate the temperature to which a .400 L sample of gas at 1.00 atm and 0 degrees celcius must be heated at a constant pressure for the volume to change to 1.00L

1.61 grams of an hydrated salt BxH2O gave 0.714 grams of the an hydrous salt when heated. What will be the value of x if the relative molecular mass of B is 142?

I want to know solid catalysts (1 or more) suitable for carboxymethylation reaction? And suggest me some Journals based on my question? It will be helpful for my studies?

what is the formula fo carbon dioxide and ethanol

why nitrogen has higher I.E value than oxygen