U8.4 Study Guide (Calculations with the Mole)
Quiz by Aaron Holley
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- Q 1/19Score 0
A method of solving problems in which units are carried through all of the calculations is called ____.29
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A method of solving problems in which units are carried through all of the calculations is called ____.
Why do we use dimensional analysis in chemistry?Users enter free textType an Answer120s
________ are used in dimensional analysis, which are expressions of quantity in two different units.
Equalities are used to make ___________________, which are fractions in which the numerator and denominator are the same quantity expressed in two different units.
What are the temperature and pressure used when measuring the volume of gases?
40F and 14.7 atm
100C and 1 atm
0C and 700 Torr
0C and 1 atm30s
What is the volume of one mole of a gas at standard temperature and pressure? (Write your answer to one decimal place and be sure to include the unit.)Users enter free textType an Answer30s
How many seconds are in 12.3 hours? Type your final answer as a whole number.Users enter free textType an Answer300s
How many milligrams are in 4.50 kilograms? (1 g = 1000 mg; 1 kg = 1000 g) Type your answer as a whole number.Users enter free textType an Answer300s
You are working in a chemistry lab, and you need to convert from 16.3 moles of glucose to mass of glucose. Which of the following is the correct conversion factor that will allow you to complete the calculation120s
You need to determine the number of moles of a carbon dioxide gas that has a volume of 32.7 L Which of the following is the correct conversion factor that will allow you to complete the calculation120s
1.80 x 1021 formula units of sodium chloride is equal to ____ moles of NaCl.
5.116 x 10-5 moles
1.084 x 1045 moles
3.65 moles of hydrofluoric acid (HF) = ____ molecules of HF.
2.20 x 1024 molecules
4.40 x 1025 molecules
6.06 x 10-24 molecules
6.06 x 1022 molecules300s
1.89 moles of PCl5 has a mass of ____ g.
2.37 x 1026 g300s
Convert 128.76 g of copper(II) sulfate to moles.
4.858 x 1023 mole
What is the volume of 3.77 moles of nitrous oxide (N2O) at standard temperature and pressure?
5.09 x 1025 L300s
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