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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 September 15

Calculate how many atoms of oxygen are present in a 6.10 gram sample of glucose, C6H12O6.

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AP Chemistry Warm-up for September 13

Write the formulas for each of the following compounds: potassium permanganate                    boric acid                                lead(II) carbonate  

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AP Chemistry Warm-up for September 12

Predictive Chemistry Write the balanced equation for the reaction that occurs when zinc metal is added to hydrochloric acid Identify the substance that is oxidized, and the substance that is reduced

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AP Chemistry Warm-up for September 6

Write the formulas for each of these compounds: sodium oxalate________________________________ phosphorous acid______________________________ ammonium dichromate__________________________ sulfur hexafluoride_____________________________ barium chlorate_______________________________ cesium nitrate________________________________

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AP Chemistry Warm-up for September 1

Dimensional Analysis and Significant figures Gold has a density of 19.3 g/cm3. A sheet of gold with a rectangular surface having a width of 1.00 m and a length of 1.50 m has a mass of 40.000 kg. Calculate the

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AP Chemistry Warm-up for August 30

Justify Place the following compounds in order, from the one with the lowest melting point, to the one with the highest melting point. Justify your choices. NaCl                          

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AP Chemistry Warm-up for August 29

LeChatelier Look at the balanced equation below, representing a system at equilibrium, and then answer the following questions 2CO(g) + 2NO(g) ⇄ 2CO2(g) + N2(g)    ΔH =-10KJ 1. If the pressure is increased on the system, which reaction (forward or reverse) will

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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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