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Technology Chapter #3 Lectures Part Ii

1. g of O = g of sample – (g of C + g of H) Combust 11.5 g ethanol Collect 22.0 g CO 2and 13.5 g H 2 O 6.0 g C = 0.5 mol C 1.5 g H = 1.5 mol H 4.0 g O = 0.25 mol O Empirical…

Documents Atomic Mass l Atoms are so small, it is difficult to discuss how much they weigh in grams l Use...

Slide 1 Slide 2 Slide 3 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…

Documents Dr. S. M. Condren Chapter 12 BEHAVIOR OF GASES Dr. S. M. Condren BEHAVIOR OF GASES.

Slide 1 Slide 2 Dr. S. M. Condren Chapter 12 BEHAVIOR OF GASES Slide 3 Dr. S. M. Condren BEHAVIOR OF GASES Slide 4 Dr. S. M. Condren Importance of Gases Airbags fill with…

Documents STOICHIOMETRY II Section 12.2: Chemical Calculations.

Slide 1STOICHIOMETRY II Section 12.2: Chemical Calculations Slide 2 Objectives Upon completion of this presentation, you will be able to construct mole ratios from balanced…

Documents Stoichiometry. Stoichiometry is the part of chemistry that studies amounts of substances that are...

Slide 1Stoichiometry Slide 2 Stoichiometry is the part of chemistry that studies amounts of substances that are involved in reactions. It could be amounts of substances before…

Documents THERMOCHEMISTRY OR THERMODYNAMICS Chapter 6 Chemical Reactivity What drives chemical reactions? How....

Slide 1 Slide 2 THERMOCHEMISTRY OR THERMODYNAMICS Chapter 6 Slide 3 Chemical Reactivity What drives chemical reactions? How do they occur? The first is answered by THERMODYNAMICS…

Documents AP Notes Chapter 5 Principles of Reactivity: Energy and Chemical Reactions.

Slide 1AP Notes Chapter 5 Principles of Reactivity: Energy and Chemical Reactions Slide 2 study of energy transfer or heat flow Energy Kinetic Energy Thermal - Heat Mechanical…

Documents We cant measure moles!! What can we do? We can convert grams to moles. Periodic Table Then use moles...

Slide 1We cant measure moles!! What can we do? We can convert grams to moles. Periodic Table Then use moles to change chemicals Balanced equation Then turn the moles back…

Documents Chpt 11 - Solutions Concentrations Energy of solutions Solubility Colligative Properties Colloids...

Slide 1 Slide 2 Chpt 11 - Solutions Concentrations Energy of solutions Solubility Colligative Properties Colloids HW: Chpt 11 - pg. 531-538, #s 12, 14, 20, 24, 29, 34, 41,…

Documents Mass Relationships in Chemical Reactions Chapter 3.

Slide 1Mass Relationships in Chemical Reactions Chapter 3 Slide 2 Natural lithium is: 7.42% 6 Li (6.015 amu) 92.58% 7 Li (7.016 amu) 100 = _______ amu 3.1 Average atomic…