Catalysts can save money by essentially lowering the:
activation energy
cost of r...
Chemistry, 30.12.2019 21:31 masonbartolo8184
Catalysts can save money by essentially lowering the:
activation energy
cost of reactants
rate of reaction
temperature required
starting enthalpy (e1)
Answers: 2
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What is the ima of the 1 st class lever in the graphic given? 2 3 0.5
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For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
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Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.
Answers: 2
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What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
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