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Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
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The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false
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For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2
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How are living things put together? a. into groupsb. there notc. reproductiond. classification...
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