Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 3 F
Prepare for the AP Chemistry exam by reviewing this problem from the 2015 exam which asked students to analyzing concentrations when pH lower than half-equivalence point. [4:41]
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Khan Academy: 2015 Ap Chemistry Free Response 3 E
Review a free response question from an AP Chemistry exam where students were asked to sketch a titration curve based on half-equivalence and equivalence points. [2:55]
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Khan Academy: 2015 Ap Chemistry Free Response 3 D
A video exploring how to do a problem where students are using the half-equivalence point for a titration of a weak base with HCL to calculate the pH. Video will show you how to work this problem that was a free response problem on the...
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 3 A
Review for the AP Chemistry exam with this video showing how to solve a free response problem. The problem specifically shows how to write the net-ionic equation for a weak base titrated with HCl. [3:59]
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Khan Academy: 2015 Ap Chemistry Free Response 2 D and E
A video reviewing over a AP Chemistry free response questions where students were asked the approximate bond angle in an ethanol molecule. Video reviews over how to solve the problem using a Lewis electron-dot diagram. [6:19]
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 2 a (Part 2/2) and B
See a worked example of how to calculate the efficiency of ethanal dehydration reaction in this video. The problem comes from the AP Chemistry exam. [6:15]
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 2 a (Part 1 of 2)
Review for the AP Chemistry exam with this video showing a worked free response problem. This problem is part 1 of 2 showing how to calculate how many moles of ethene is produced from dehydration reaction with ethanol.
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Khan Academy: 2015 Ap Chemistry Free Response 1 A
A video reviewing over AP Chemistry exam free response problem and answer. Problem discusses how to analyze reactions and cell potential of a metal-air cell. [11:54]
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Khan Academy: 2015 Ap Chemistry Free Response 1 D
Can you calculate which metal will transfer more electrons in a metal-air battery based on your knowledge of the periodic table? This video will review how to solve this problem that was found on the AP Chemistry exam. [10:39]
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 5
Review over a worked free response question from the AP Chemistry exam in this video. This video explores an investigation a student does on kinetics of bleaching food coloring. [9:39]
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 2 F
Review over this AP chemistry free response answer with this video that shows how to work the problem step by step. Problem reviews over the solubility of ethanol and ethene gas in water by explaining the intermolecular forces. [5:25]
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Khan Academy: 2015 Ap Chemistry Free Response 1 B and C
What happens to the cell potential when there is less oxygen in a zinc-air cell? See this problem worked out on this video that reviews over the free response question for AP Chemistry exam. [7:16]
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Khan Academy: 2015 Ap Chemistry Free Response 6
Do you remember how to write a net ionic equation? This video reviews an AP Chemistry exam free response problem that is solved step-by-step. Students can review over the melting points of salts as well as how to write the net ionic...
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 1 E
Review for the AP Chemistry exam by viewing this video that works out a free response from an old exam. This problems focused on how to write the electron configuration of zinc. Also students are asked to figure out which electron is...
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 7
In this free response questions, students were asked to calculate the energy necessary to recycle aluminum from aluminum oxide. The video will explore step-by-step how to solve the free response problem from an AP Chemistry exam. [6:15]
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 5 A: Finding Order of Reaction
In this AP Chemistry exam free response, students are ask to find the order of reaction based on graphs of absorbance, ln(absorbance) and 1/(absorbance) vs. time for kinetics of bleaching food coloring. This video explains how to solve...
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Khan Academy: 2015 Ap Chemistry Free Response 2 C
Do you need to review Gibbs free energy and equilibrium constant of dehydration reaction for the AP Chemistry exam? This video works a free response question from the AP Chemistry exam. [12:22]