How many moles of H20 are contained in 4.21 x 1024 molecules of H2O?
O A 2.53 x 1048 moles
O...
Answers: 1
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Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?
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Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
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