Asolution is prepared by dissolving 7.00 g of glycerin (c3h8o3) in 201 g of ethanol (c2h5oh). the freezing point of the solution is °c. the freezing point of pure ethanol is -114.6°c at 1 atm. the molal-freezing-point-depression constant (kf) for ethanol is 1.99°c/m. the molar masses of glycerin and of ethanol are 92.1 g/mol and 46.1 g/mol, respectively
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Chemistry, 22.06.2019 16:00, hjgjlgkjg
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
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Chemistry, 23.06.2019 01:30, Sonicawesomeness
Select the correct answer from each drop-down menu. to make a table of the elements, dmitri mendeleev sorted the elements according to their . he then split the list of elements into several columns so that elements beside each other had similar .
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Chemistry, 23.06.2019 06:40, Science2019
How many joules of heat are required to raise thetemperature of 750 g of water from 11.0 °c to 19.0 °c?
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Asolution is prepared by dissolving 7.00 g of glycerin (c3h8o3) in 201 g of ethanol (c2h5oh). the fr...
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