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Chemistry, 21.06.2019 13:30
A48 g piece of ice at 0.0 βc is added to a sample of water at 7.4 βc. all of the ice melts and the temperature of the water decreases to 0.0 βc. how many grams of water were in the sample?
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Chemistry, 22.06.2019 06:00
How many atoms of mg are present in 97.22 grams of mg? 6.022 Γ 1023 2.408 Γ 1024 4.818 Γ 1024 5.855 Γ 1025
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Chemistry, 22.06.2019 15:30
A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas
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Chemistry, 22.06.2019 19:00
How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5Β°c? for water, kf = 1.86Β°c m -1.
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