How does the emission spectra explain the idea that electrons are in orbitals around the nucleus?

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Calcium hydroxide and hydrochloric acid react to form calcium chloride and water as shown in the chemical reaction. if the chemicals are present in exactly the correct ratios to fully use all of the ingredients, how many moles of water would be formed from 5 moles of hcl? (oh)2 + ? +

Where do the numbers in a stoichiometry mole ratio come from