Chemistry, 15.11.2019 03:31 francisco42002
Which information is necessary to determine the molarity of a solution if the chemical formula of the solute is known?
a. the mass of solute dissolved and the volume of solvent added
b. the molar mass of both the solute and the solvent used
c. the mass of solute dissolved and the final volume of the solution
d. only the volume of solvent used
e. only the mass of solute dissolved
Answers: 2
Chemistry, 22.06.2019 03:00
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
Answers: 3
Chemistry, 22.06.2019 05:20
Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?
Answers: 3
Chemistry, 22.06.2019 10:40
Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant
Answers: 2
Chemistry, 22.06.2019 13:00
In a copper wire, a temperature increase is the result of which of the following
Answers: 1
Which information is necessary to determine the molarity of a solution if the chemical formula of th...
Mathematics, 21.04.2020 19:37
Mathematics, 21.04.2020 19:37
History, 21.04.2020 19:37
English, 21.04.2020 19:37