Chemistry, 22.03.2021 16:50 torlajap017
What is the mole fraction of KCI in an aqueous solution that contains 26.3% KCI (weight/weight %)? Molar Mass KCI: 74.55 g/mol H2O: 18.016 g/mol​
Answers: 2
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
Chemistry, 22.06.2019 07:30
The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
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What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
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What is the mole fraction of KCI in an aqueous solution that contains 26.3% KCI (weight/weight %)? M...
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