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?

________ 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?

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.)

How many seconds are in 12.3 hours?  Type your final answer as a whole number.

How many milligrams are in 4.50 kilograms? (1 g = 1000 mg;  1 kg = 1000 g) Type your answer as a whole number.

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 calculation

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 calculation

1.80 x 10²¹ formula units of sodium chloride is equal to ____ moles of NaCl.

3.65 moles of hydrofluoric acid (HF) = ____ molecules of HF.

1.89 moles of PCl₅ has a mass of ____ g.

Convert 128.76 g of copper(II) sulfate to moles.

What is the volume of 3.77 moles of nitrous oxide (N₂O) at standard temperature and pressure?

An unknown gas with a volume of 58.8 L has ____ moles of gas.

Convert 15.7 L of methane to molecules of methane (at STP).

What is the volume of 184.2 g of ammonia (1 mole = 17.031 g)?

How many molecules are in 653.0 g of sulfur hexafluoride (1 mole = 146.06 g)?