Unit 1
Unit 3
Unit 6
Diagrams
100
If a natural sample of Carbon consists of 99% carbon-12 and 1% Carbon-13, what is the average atomic mass you'd expect to see on the periodic table?
12.01 amu
100
What is the strongest IMF
Hydrogen bonding
100
If a chemical reaction causes the temperature of the surrounding water in a calorimeter to decrease, what is the reaction classified as.
endothermic
100
What is the middle of the atom called
The nucleus
200
What is the most electronegative element
Flourine
200
According to KMT, if the absolute temperature of an ideal gas is doubled, what happens to the average kinetic energy of the gas particles.
It doubles.
200
Why does water take more energy to heat up then aluminum.
Higher specific heat capacity.
200
How many valence shells does this atom have
2
300
What is the ground state electron configuration for a neutral Iron (Fe) atom using the noble gas shortcut.
[Ar]4s^2 3d^6
300
What lab technique uses a stationary and mobile phase to separate components based on differing polarities.
Chromatography
300
When 10g of metal (specific heat capacity of 0.5) cools down by 20 degrees C this is the total amount of heat energy released into the surroundings.
100 Joules
300
What type of cell is this
Galvanic
400
The peak with the highest binding energy corresponds to which subshell
1s
400
Which environmental conditions do real gases deviate from ideal behavior.
High pressure and low temperature
400
Which law states that regardless of the multiple stages of a reaction, the total enthalpy change is the sum of all changes.
Hess's Law
400
Which curve has the highest average kinetic energy
C
500
When a pure sample of a hydrocarbon is burned completely in oxygen, it yields 4.4g of CO2 and 2.7g of H20. What is the empirical formula of the hydrocarbon.
CH3
500
At 25 degrees C diethyl either has a vapor pressure of 560 mmHg, while water has a vapor pressure of 24mmHg. This property explains why deithyl either has a lower boiling point.
Weaker IMF's
500
For a specific substance, the delta Hf of its liquid phase is -285.8 kJ/mol and the delta Hf of its gas phase is -241.8 kJ/mol. How much heat energy does it take to vaporize 2 moles of this substance?
88 kJ
500
How much base needs to be added for A->HA
12.5 ml