What percent of CuCO3 is Cu?

Order the following from smallest to largest atom, electron, quark, proton, neutron, molecule, nucleus

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ