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Chapter 10 review problems/questions? Chapter 10 Jeopardy Review Game Homework: Vocabulary crossword puzzle Next Time: Chapter 10 Test/Concept Review/Crossword Puzzle Due. Wednesday, Nov. 14 th : “A” Day Thursday, Nov. 15 th : “B” Day Agenda.
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Chapter 10 review problems/questions? Chapter 10 Jeopardy Review Game Homework: Vocabulary crossword puzzle Next Time: Chapter 10 Test/Concept Review/Crossword Puzzle Due Wednesday, Nov. 14th: “A” DayThursday, Nov. 15th: “B” DayAgenda
Good Luck to musicians this weekend at the IMEA music festival in DeKalb!
Chapter 10 Short Answer Test Questions • The “Critical Thinking” category in the Jeopardy game contains 5 of the 6 short answer test questions. • Here’s the 6th: • In the “Calorimetry and Hess’s Law lab, the sodium hydroxide (NaOH) was described as “hygroscopic”. Explain what this term means.
Causes of Change Ch #10
THE RULES: • You will be in 5 teams • The winning team will each receive $1 mole • No whining!
And now…here is the host of Jeopardy… Mrs. Elfline
Let’s Get Ready to play… Today’s Categories are:
Double Meaning
Vocabulary Fill in the Blank Calculations Critical Thinking Double Meaning $100 $100 $100 $100 $100 FJ $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 DD $500 $500 $500 $500 $500
The total energy content of a system at constant pressure Answer…
Enthalpy 100
A measure of the average kinetic energy of the particles in a sample of matter Answer…
Temperature 200
The study of all energy changes Answer…
Thermodynamics 300
Entropy 400
The amount of energy as heat required to raise the temperature of 1 mole of a substance by 1K Answer…
The energy transferred between two objects that are at different temperatures is called _______ Answer…
Heat 100
The unit for temperature used in thermodynamic equations is _____ Answer…
K(Kelvin) 200
_______ calorimetry uses an insulating vessel to measure changes in energy instead of a water bath. Answer…
Adiabatic 300
The standard enthalpy of formation of an element is ______. Answer…
Zero 400
The overall enthalpy change in a reaction is equal to the sum of the enthalpy changes of individual steps is a statement of _______________. Answer…
Hess’s Law 500
How do you convert °C to K? Answer…
In the equation q = nCΔT, what do the variables stand for? Answer…
q = energy as heatn = number of molesC = molar heat capacityΔT = change in temperature 200
What is the molar heat capacity of 150 g of Fe that absorbed 160 J of energy as it was heated from 25°C to 75°C. Answer…
1.2 J/mol∙K 300
What is the molar enthalpy change when a block of aluminum is cooled by 60 K? The molar heat capacity of aluminum is 24.2 J/K∙mol. Answer…
-1,452 J/mol 400
Use the data table in your book to the find ΔH for the following reaction: 4Al (s) + 6H2O (l) 2Al2O3(s) + 6H2(g) Answer…
-1,637 kJ 500
Explain the difference between heat and temperature. Answer…
Heat: the energy transferred between objects that are at different temperaturesTemperature: a measure of the average kinetic energy of the particles in a sample of matter ORa measure of how hot or cold something is 100
How is molar heat capacity related to specific heat? Answer…
Molar Heat Capacity: energy needed to raise the temperature of 1 mole of a substance by 1KSpecific Heat: energy needed to raise the temperature of 1 gram of a substance by 1KOR(molar mass) (specific heat) = molar heat capacity 200
How is a change in Gibbs energy related to changes in enthalpy and entropy? Answer…