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What mass of hydrogen contains the same number of atoms as 7.00 g of nitrogen
Answers: 3
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Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
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Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?
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In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst
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What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes
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What mass of hydrogen contains the same number of atoms as 7.00 g of nitrogen...
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