Review AP Chemistry

Quiz
•
Chemistry
•
10th - 12th Grade
•
Hard
+9
Standards-aligned
Charles Martinez
FREE Resource
89 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Maxwell-Boltzmann distribution of molecular speeds in samples of two different gases at the same temperature is shown below. Which gas has the greater molar mass?
Gas A
Gas B
both gasses have the same molar mass
it cannot be determined unless the pressure of each sample is known
Tags
NGSS.HS-PS3-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is most likely to be a solid at room temperature?
Na2S
HF
NH3
N2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the balanced equation above, how many moles of CIO3 (aq) are needed to react completely with 20. ml of 2.0 mL of 2.0M KMnO4 solution?
0.0030 mol
0.0075 mol
0.013 mol
0.030 mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2H2O2 (I) ---> 2H2O (I) + O2
the exothermic process represented above is best classified as a
physical change because a new phrase appears in the products
physical change because O2 that was dissolved comes out of the solution
chemical change because entropy increases as the process proceeds
chemical change because covalent bonds are broken and new covalent bonds are formed
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 0.10M aqueous solution of sodium sulfate, Na2SO4 is a better conductor of electricity then 0.10M aqueous solution of sodium chloride. Which of the following best explains this difference?
Na2SO4 is more soluble than NaCl is
Na2SO4 has a higher molar mass than NaCl has
to prepare
More moles of ions are present in a given volume of 0.10M Na2SO4 in the same volume of 0.10M NaCl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 0.20 mol sample of MgCl(s) and a 0.10 mol sample of KCl (s) are dissolved in water and diluted to 500 ml. What is the concentration of CL- in the solution?
0.15 M
0.30 M
0.50 M
1.0 M
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a 0.5 mol sample of he(g) and a 0.5 mol sample of Ne(g).....Which of the gases will escape faster through the pinhole and why?
He(g) will escape faster because the He(g) atoms are moving at a higher average speed than the Ne(g) atoms
Ne(g)
Ne(g)
both gases
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