Blog Archives

Warm-up problems used to start my AP Chemistry class. Most of these warm-ups will focus on content already covered in the course, or in prior courses, in an effort to reduce the need for review prior to the AP Test.

AP Chemistry Warm-up for August 25

Quick Write Using complete sentences, explain the structural similarities and differences between atoms of carbon-12, carbon-13 and carbon-14.

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AP Chemistry Warm-up for August 23

Redox: Sodium reacts with chlorine to form sodium chloride. Which element is oxidized (loses electrons). Which element is reduced (gains electrons)? Write the balanced equation, including phase information, for the reaction described above.

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AP Chemistry Warm-up for August 22

Explain Explain, in terms of molecular kinetics, why increasing the temperature of a reaction system always results in an increase in the rate of the reaction.  

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AP Chemistry Warm-up for August 18

Review Problem Write electron configurations and dot notations for the following elements: Silicon, Si Nickel, Ni Cesium, Cs

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AP Chemistry Warm-up for August 16

Stoichiometry review Calculate the mass of oxygen needed to completely combust 8 grams of methane gas, CH4.

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AP Chemistry Warm-up for August 15

Predictive Chemistry Complete a balanced equation for the combustion of  butane, C4H10.

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AP Chemistry Warm-up for August 12

Justify The electron configuration for sodium is 1s22s22p63s1. Which electron requires the least amount of energy to remove, a 1s electron or the 3s electron? Justify your answer.

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AP Chemistry Warm-ups

The AP Chemistry warm-up is presented to the class at the beginning of each class period. While the instructor is taking attendance and focusing on the clerical side of teaching, the class is expected to focus on the prompt projected on

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What Happened to the Posts?

For most of the school year, I added posts that served as warm-up problems for the first few minutes of my AP Chemistry classes. I have made those posts “invisible” now in order that I may re-organize and recycle some

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