Oct 1, 2019 · formula units can mean atoms or molecules, depending on what the question is asking for. For example, if you need to find the number of formula units in a a certain mass of H2O, you.
Oct 10, 2018 · You can calculate formula units the same way you calculate the number of object in a sample. Eqn: # of objects in a sample (or formula units for salts) = amount in moles * Avogadro's.
Oct 13, 2023 · The units of h, or Planck's Constant, are J•s, and Joules can also be written as kg•m^2/s^2. Thus, in the numerator when we multiply J•s, we have the units kg•m^2/s.
Oct 6, 2021 · Empirical formula relates to the proportion of the different types of atoms in a molecule whereas the molecular formula is the exact number of atoms of each element in a molecule.
Dec 1, 2021 · As others have said, the pH formula is technically pH = -log [H +]. However, we learned in class today that with strong acids, the proton concentration can be considered the same value as the.
Oct 3, 2017 · A formula unit is different in that it deals with ions (cations, anions). Ions don't behave like molecules in which there is one item that consists of bonded elements.
Jan 12, 2023 · To use the Ideal Gas equation PV=nRT, do we have to use the specified units? For example, in the lecture it was specified that pressure was measured in atmospheres and.
Mar 20, 2023 · Hi, I'm working on a problem right now that uses the ideal gas law, and I was wondering about the units of R- sometimes I see different numbers used in different problems, so I am.
Oct 25, 2021 · I am having a difficult time remembering what units to apply in each formula. Is there a tool that can help me to remember when to use which units for the different formulas?
Nov 9, 2021 · The units may be electrons, atoms, ions, or molecules, depending on the nature of the substance. You use Avogadro's constant in stoichiometry when converting the moles of a substance.
