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Chemistry, 21.06.2019 22:00
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In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
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Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.
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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 - 21.5°c? for water, kf = 1.86°c m -1.
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The pressure in a car tire is 217 kPa at 24°C. After being driven on a hot summer day, the pressure...
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