LaA Maltiple Choice: Choose the BEST answer-1 point ach 1. (8.1) Choose the type
ID: 1043592 • Letter: L
Question
LaA Maltiple Choice: Choose the BEST answer-1 point ach 1. (8.1) Choose the types of intermolecular atractive forces that are present in HF (aipole-dipol a sadon, hydrogen boading,etc.) e. London forces All ofthe above None of the above 2. What is the strongest intermolecular Londoe Forces d ion-dipole forces force exhibited in a carbon diexide molecule COa c. None of the above ohto potassium hydroxide if 2134 ml eactly 3. (10.5) What is the nguralized by 20.78 ml of o.116 M HCI by the fodowing reaction? Kou +HKa +Ha of an aqueous 0.154M 0.113M c. 0311M d. 1.15M of the above many mL of a 0.125 M NaOH solution will i take to titrate a 10.00 ml sample of HCI with a concentration of 0.333 M? 3.75 m. 26.64 mL c. 0416 ml d. 10.00 ml e. None of the above S. Movement of gas molecules trough fn estromeby tiey opening imto a vacuum is called b. Osmosis Lon d. Perfusicn . None of the above 6. Choose the correct net ionic reaction for HNO,+NaOH Tonic Equatons r-or-Ho None of the above e. b. +4Explanation / Answer
1.
(d) Because it is a polar molecule and able to form intermolecular hydrogen bonds.
2.
(b) Because it is a non polar molecule.
3.
M1V1 = M2V2
M1 * 21.34 = 0.116 * 20.78
M1 = 0.113 M
(b)
4.
M1V1 = M2V2
0.125 * V1 = 0.333 * 10.00
V1 = 26.64 mL
5.
(c) Effusion is process ogmoment of gas molecules through a small hole
6.
(d) Because both HNO3 and NaOH are strong electrolytes and undergo complete ionisation.
7.
CaHPO4
+2 +1 + x + 4 ( - 2 ) = 0
+ 3 + x - 8 = 0
x - 5 = 0
x = + 5
(c)
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