37 What A) London does contain? dispersion Hao C) Dipole-dipole hydrogen bonding

Question

37 What A) London does contain? dispersion Hao C) Dipole-dipole hydrogen bonding D) E) London dispersion, hydrogen bonding 38) According to Avogadros Law, the volume of a gas will are held is increased while A) increase; number of pressure and B) decrease; moles; number of moles; pressure and temperature D) decrease; pressure and number of moles increases pressure; temperature and number of moles pressure; and number of moles 39) How many moles of solute are present in 12.0L of 300 MHCIT A) 36.0 mol B) mol 4.00 C) 0.250 mol D) 3.00 mol E) 0.750 mol 40) A 50.0 mL ple of a 6.0 M solution of HCI is diluted to 200, mL. What is the new concentration? A) 24.0 M B) 6.0 M C) 2.10 M D)2.00 M E) 1.50M 41) In a mixture of 5 mL water. 10 ml. alcohol. and 50 mL acetone the solute(s isoare) A) acetone B) alcohol C) water D) acetone and alcohol E) alcohol and water 42) A substance that can react as either an acid or a base depending on the circumstances, are called A) acids B) amphoteric C) buffer D) bases E) acid dissociation constants 43) Which one of the following is the strongest acid? (Ka-49 x 10-10 A) HCN (Ka -30x10-8) B) HCIO (Ka-45x 10-4) (Ka 6.8 x 10-4) D) HF oka 1.8x 10-4)

Explanation / Answer

E

B

C

A

D

E

C

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