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Chem 162: arrhenius equation, test 1 25
MrAwesomeFinn
112 views
Chemistry stuff
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Chemistry 161: Calorimetry and Heat Transfer, Sample Exam 2, #8
MrAwesomeFinn
449 views
A sheet of gold with mass 10.0 g, initially at 20.0 degrees C is placed on top of a sheet of iron with mass 20.0 g, initially at 50.0 degrees C. Heat is transferred from t...
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Chemistry 161: Enthalpy, Stoichiometry, and Thermochemical Eqns, 10.3b
MrAwesomeFinn
412 views
Calculate the total mass in grams of O2 gas that is produced by photosynthesis when 2.49*10^4 kJ of solar energy is consumed.
6H2O(l) + 6CO2(g) yields C6H12O6(s) + 6O2(g...
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Chemistry 161: Hess' Law, Sample Test 2, #12
MrAwesomeFinn
274 views
Given the following data:
[YouTube will not let me use arrows, so I replaced them with "yields"]
N2O4(g) yields 2NO2(g); 24.3kJ
NO(g) + NO2(g) yields N2O3(g); -40....
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Chemistry 161: Hess' Law, deltaH of Formation, Sample Final Exam, #26 (PART 2B)
MrAwesomeFinn
480 views
Use the data below to calculate deltaH of formation for solid sodium oxide:
1. deltaH of formation of Na(g) is 107 kJ
2. deltaH of formation of O(g) is 249 kJ
3. First...
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Chemistry 161: Hess' Law, deltaH of Formation, Sample Final Exam, #26 (PART 2A)
MrAwesomeFinn
396 views
IPAD RAN OUT OF SPACE, SO THIS VIDEO ENDS ABRUPTLY. THE REST OF THIS VIDEO CAN BE FOUND AT: http://www.youtube.com/watch?v=o6c3nPb7798
Use the data below to calculate delt...
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Chemistry 161: Hess' Law, deltaH of Formation, Sample Final Exam, #26 (PART 1)
MrAwesomeFinn
401 views
Chemistry 161: Hess' Law, deltaH of Formation, Sample Final Exam, #26 (PART ONE)
PART TWO IS HERE: http://www.youtube.com/watch?v=3C8Jk9vJAKo
Use the data below to ca...
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Chemistry 161: Free Energy (DeltaU), Heat, and Work, Sample Final Exam, #3
MrAwesomeFinn
336 views
In the process of compressing a gas from 5.00 L to 2.50 L under a constant pressure of 1.25 atm,
637 J of heat is given off. What is the ΔU of the system? 1 L-atm = 101.3 J
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Chemistry 161: Enthalpy and Calorimetry; Sample Exam 2, #18
MrAwesomeFinn
331 views
When 2.00 g of NaOH(s) is dissolved in 100.0 g of water, the temperature of the water increases from 20.0 C to 24.6 C. Calculate deltaH for the dissolving process. Specific...
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Chemistry 161: Gravimetric Analysis and Molarity; Sample Exam 2, #21
MrAwesomeFinn
485 views
A 20.0 mL sample of 0.200 M K2CO3 solution is added to 30.0 mL of 0.400 M BaCl2 solution. Barium carbonate precipitates. The concentration of barium ion, Ba2+, in solution...
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