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Chemistry, 22.06.2019 15:30
Draw the lewis dot structure for each of the following polyatomic ions
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Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.
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Chemistry, 23.06.2019 05:30
Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.
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Chemistry, 23.06.2019 09:30
How many significant figures are in the following numbers ? a. 0.0002030 b. 2.000 c. 2.008900 d. 145.00
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