SGChem2A

Empirical Lab Discussion Finished in All Classes. More Mole, Mass, & Number Calcs

1st & 4th Hour Empirical Formula Lab These classes have to complete the Evidence Justification Form Turn in tomorrow for four easy Master… more »

SGChem2A

Empirical Formula Lab Finished and Not Finished. 2nd & 5th hours have homework.

Empirical Formula of Zinc Chloride Two Classes Finished, 2nd & 5th. They have to complete the Evidence Justification Form It will be four… more »

SGChem2A

Empirically speaking what is the formula?

Empirical Formula of Zinc Chloride Today we reacted zinc metal with hydrochloric acid (HCl(aq)) with the formation of a gas. Zinc chloride will… more »

SGChem2A

Molar Masses and Mole/Mass Calculations

Worksheet with Ans : Molar Mass and % Composition Practice We spent about half the class working on calculating various compounds, some simple,… more »

SGChem2A

Friday - Relative Masses and the Mole.

Reflection: How do these relative mass calculations, in particular the relative masses, relate to masses on the periodic table?        … more »

SGChem2A

Unit 4 Exam Average a Whopping 91.3% 13 perfect scores!

Standards Distribution In PowerSchool, the 37 points are distributed over five standards. (4.01) I can differentiate between elements, compounds, and mixtures, 7 points… more »

SGChem2A

Unit 5 – Counting Starts Today on the Way to the Mole

Relative Mass Lab: Washers, Nuts, Bolts Since scientists could not mass a single atom, they designated that 1 mole of hydrogen as having… more »

SGChem2A

Unit 4 Exam Tomorrow. Worksheet Packet due also. See Link/Email

Unit 4 Exam – Atoms, Molecules, Compounds Review Completed today. Exam will consist of a mix of Multiple Choice Matching Free Response with… more »

SGChem2A

Some Percentages and Review Started for Wednesday's Unit 4 Exam.

Worksheet 4 - Percent Compositions and Formulas Derived Thereof. We worked through this relatively easy worksheet. Unit 4 Exam Review We completed Problems… more »

SGChem2A

Friday's Quite Notes: Compound Formulas from Masses. Unit Exam on or about Wednesday

Simple Formulas from Mass Ratios We struggled through Worksheet 3 today making sense of mass ratio comparisons to come up with simple formulas… more »

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