Category Archives: Chemistry 2

Percent Composition & Empirical Formula

Posted on March 22, 2012 by Mr. Saleh

Students will learn and reinforce the process of figuring out how to determine the empirical formula that is based upon the percent composition of the chemicals in a compound. Note that the percent composition is basically a prior knowledge since … Continue reading →

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Mole-Mass Conversions Retake!

Posted on March 21, 2012 by Mr. Saleh

Since several students in the 2nd and 3rd hours performed poorly on the test for mole-mass conversion, these two classes will be given an opportunity for a retake. Those individuals who performed very well or above average will have the choice … Continue reading →

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Further Reinforcement: Mole-Mass Conversions

Posted on March 20, 2012 by Mr. Saleh

Students will solve more problems on mole-mass conversions as a further practice as students who performed poorly will have the option to do a retake!

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Test: Mole-Mass Conversions

Posted on March 16, 2012 by Mr. Saleh

Since students are having a test on mole-mass conversions on MONDAY, students are advised to practice further on page 360, do #’s: 133, 134, & 135 as well as on page 359, do #’s: 108 & 109.

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Mass-Mole Conversions (Cont’d)-Homework!

Posted on March 15, 2012 by Mr. Saleh

Student are to practice on finding the mass of a compound and be able to convert it to moles. Students are to do #34 on p. 335 and #40 on p. 337

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Molar-Mass Conversions Homework!

Posted on March 14, 2012 by Mr. Saleh

Students are to do problems on page 328, #’s: 15b & 16b. Also, students are to do problems on page 329, #17a, 17b, 18a, & 18b. Note that a quiz to follow on Friday of this week on the above … Continue reading →

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Mole-Particle Conversions & Mole-Mass Conversions

Posted on March 14, 2012 by Mr. Saleh

Due to their on-going mathematics skills’ struggle, the students will be evaluated upon their abilities to convert from moles to particles and vice versa. After the 15-min quiz, we will explain, elaborate, and practice upon molar mass, and learn how to … Continue reading →

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Measuring Matter!

Posted on March 13, 2012 by Mr. Saleh

Students are to complete homework assignment on page 324, #’s: 5 & 6 Furthermore, students are to read Sec.10.2 on the conversion of mass to moles and vice versa.

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The Mole

Posted on March 12, 2012 by Mr. Saleh

Define the term “mole”, and elaborate upon how a mole is related to the number of particles of matter. Show the process of converting between moles and number of representative particles through the application of scientific notations as Avogadro’s number, 6.02 x10²³, … Continue reading →

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Quiz: Predicting, balancing, & writing word equations

Posted on March 9, 2012 by Mr. Saleh

Students will be evaluated upon their abilities to predict the product(s) of a chemical reactant(s). Balance the chemical reaction. Then they are to express the chemical equation into words.

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