Chemistry, 12.01.2021 17:30 armstrongstang420
A chemical reaction is run in which 113 Joules of work is done by the system and the internal energy changes by -824 Joules. Calculate the change in the internal energy of the chemical system.
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Endeleev saw trends in the physical and chemical properties of elements when he organized them by
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The ph of carrots are 5.0 how it is classified a.acidic b.basic c.indicator d.neutral
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Embryos of different species look very similar, which shows that the organisms share a ancestor.
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Problem page combustion of hydrocarbons such as pentane ( c5 h12 ) produces carbon dioxide, a "greenhouse gas." greenhouse gases in the earth's atmosphere can trap the sun's heat, raising the average temperature of the earth. for this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide.(a) write a balanced chemical equation, including physical state symbols, for the combustion of liquid pentane into gaseous carbon dioxide and gaseous water. (b) suppose 0.350 kg of pentane are burned in air at a pressure of exactly 1 atm and a temperature of 20.0 degree c. calculate the volume of carbon dioxide gas that is produced.be sure your answer has the correct number of significant digits.
Answers: 2
A chemical reaction is run in which 113 Joules of work is done by the system and the internal energy...
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