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What is the temperature of one mole of helium gas at stp?
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Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol
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Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?
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Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that arenโt easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.
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The rate law for the reaction nh4(aq)+ + no2(aq)- โ h2o(l) + no2(g) is rate = k [nh4+][no2-], and th...
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