Chemistry, 16.09.2021 18:00 alexis9263
Terephthalic acid, used in the production of polyester fibers and films, is composed of carbon, hydrogen, and oxygen. When 0. 6943 g of terephthalic acid was subjected to combustion analysis it produced 1. 471 g CO2 and 0. 226 g H2O. If its molar mass is between 158 and 167 g/mol, what is its molecular formula?.
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Chemistry, 21.06.2019 15:10
Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.
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Describe the forces both attractive and repulsive that occur as two atoms move closer together.
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How many atoms or molecules are there in a mole of a substance?
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Terephthalic acid, used in the production of polyester fibers and films, is composed of carbon, hydr...
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