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Chemistry, 22.06.2019 18:50
At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
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Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. what is the independent variable for this experiment?
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An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds
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Chemistry, 23.06.2019 02:00
Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?
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10. If 12.5 g of Helium gas are dissolved in a 0.56 L container, what is the pressure of that contai...
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