Chemistry, 08.07.2019 11:30 Naysa150724
What happens during a chemical change? ? a.) the reactants bond form, and bonds of the products break b.) the reactants bond break, and the bonds of the products form c.) the bonds of both the reactants and the products break d.) the bonds of both the reactants and the products form
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8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
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What happens during a chemical change? ? a.) the reactants bond form, and bonds of the products bre...
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