Unit 6: Thermodynamics - AP Chemistry

/ Unit 6: Thermodynamics

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You’ll learn about energy changes in chemical reactions and how a transfer of energy can change a substance’s physical qualities.

Question Difficulty:

Question	Difficulty	Students Solved
Molar Enthalpy of Combustion	medium	6
Standard Enthalpy of Formation Comparison	easy	12
Specific Heat Data Analysis	easy	8
Specific Heat and Temperature Change	medium	11
Enthalpy and Stoichiometric Coefficients	easy	16
Characteristic of an Endothermic Process	easy	10
Ranking Energy Required for Temperature Change	easy	11
Effect of Heat on Internal Energy	easy	17
Ionic Properties and Hydration Energy	easy	6
Energy and Phase Transitions	easy	7
Vapor Pressure Definition	easy	8
Illustrating Hess's Law	easy	7
Standard Enthalpy of Formation	easy	7
Heat Absorbed at Constant Pressure	easy	7
Enthalpy of Solution and Temperature Change	medium	3
Microscopic Basis of Thermal Equilibrium	easy	4
Bond Energy and Reaction Enthalpy	medium	-
Function of a Calorimeter	easy	9
Kinetic Energy and Absolute Temperature	easy	8
Endothermic Reaction and Phase Change	medium	5

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Rank	User	Correct Count	Attempt Count	Time	Score
#1	ayemenduh	34	62	0m 00s	3,120
#2	itzzhanachan	28	35	0m 00s	2,730
#3	p250001155	27	39	0m 00s	2,580
#4	ronthetennisguy	22	27	0m 00s	2,150
#5	edwin.yue1214	22	38	0m 00s	2,040
#6	tubtimkrobzzz	20	20	0m 00s	2,000
#7	siyeonchoi7	20	25	0m 00s	1,950
#8	barronburrows	20	28	0m 45s	1,875
#9	priyamk1122008	35	49	24m 52s	1,868
#10	Derinchiay2013	31	38	19m 50s	1,840

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