Chemistry, 22.01.2021 04:00 nadiasifuentes15
Help me please! Why was the microscope and its improvement an important part of the development of the cell theory?
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Chemistry, 22.06.2019 00:20
What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?
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Chemistry, 22.06.2019 11:00
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.
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Chemistry, 22.06.2019 13:30
What does the xylem do? stores the glucose captures the sunlight absorbs oxygen into the leaf carries water from the roots to the leaves
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Chemistry, 22.06.2019 15:00
Which are forms of frozen water? check all that apply. dew frost hail rain sleet
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