When fireworks explode, they give off
light and heat. What forms of evidence
suggest a chemic...
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How does concentration affect reaction rate
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How might this scientific phenomena be explained? a paper clip floats on water.
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?
Answers: 3
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