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At room temperature, an element that is a brittle solid and a poor conductor of heat and electricity could have an atomic number of
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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 many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer
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How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.
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Chemistry, 22.06.2019 17:30
To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.
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At room temperature, an element that is a brittle solid and a poor conductor of
heat and electricit...
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