ch07-v2 Quimica basica
First Year Cmestry Mcqs
PHY 231 1 PHYSICS 231 Lecture 26: Ideal gases Remco Zegers Walk-in hour: Thursday 11:30-13:30 am Helproom.
Atomic Mass l Atoms are so small, it is difficult to discuss how much they weigh in grams. l Use atomic mass units. l an atomic mass unit (amu) is one.
PHY 231 1 PHYSICS 231 Lecture 24: Ideal gases Remco Zegers Walk-in hour:Tue 4-5 pm Helproom.
1. 2 The mass of a single atom is too small to measure on a balance. mass of hydrogen atom = 1.673 x 10 -24 g.
Quantitative Chemistry Topic 1 SL + HL. 1.1 Mole concept and Avogadro’s Constant 1 mol = Avogadro’s Constant = N A = Number of atoms in 12 gram 12 C (def.)
Chapter 8: Atomic Masses: counting by weighing
The Mole Mass & The Mole Ch. 10.1-10.2 CHM Hon.. How do you measure matter? Measure the amount by: –Counting –Mass –Volume.
1 Quantitative Composition of Compounds Chapter 7 Hein and Arena Version 1.1.
Learning Goal 3 : Determine the molar proportions of the reactants and products in a balanced chemical reaction.
Formulas, Reactions, and Amounts
