Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

General Chemistry 2

The Chemistry Final

QuestionAnswer
Uv light is used in order to determine the arrangement of atoms in a crystal. False
Reacton rate remains constant over time. False
The solubility of a gas in a liquid increases with decreasing temperature. True
By definition, reaction rates are always positive. True
Delta H vap > delta H fusion in all cases. True
45 ppb is more concentrated than 45 ppm False
An atom in a cubic close packed structure has a coordination number of 12. True
An organism with a semi permeable membrane that normally lives in fresh water is placed in the ocean. it will swell due to this change. False
The molarity of a solution does not change with temperature. False
The higher the intermolecular forces of a liquid the higher the boiling point. True
The vapor pressure of a solution depends on the chemical nature of the solvent. True
The fast step of a reaction mechanism determines the overall rate of a reaction. False
C3H5(OH)3 has a hihger vapor pressure than CH3OH. False
If delta H for dissolving a solid in a liquid is positive, the solution feels hot initially. False
If Al(NO3)3 is 85% dissociated, i= 1.85 False
Which of the following example is listed correctly with its type of crystal? A. KBr (s), metallic B. Na(s), ionic C. C6H12)6 (S), covalent D. NH4NO3 (s) Covalent E. CO2 (s) molecular CO2 (s), molecular
Which of the following molecules has a net dipole moment? I PCl3 II BCl3 III PCl5 I only PCl3
Of the choices listed which substance is expected to have the highest melting point a. H2O b. H2S c.CH4 d.KCl e.NH3 d. KCl
Which of the following elememtary steps represents a termolecular rate determining step. I. 3A->A3 II.2A+B -> A2B III. A+B+C->ABC I, II, and III
Given the rate law: Rate= K[A]2[B] the units for the rate constant k are which of the following? a.) S-1 B.) M-1 S-1 C.)M/s D.) M-2 S-1 E.)M-3s-1 M -2 S-1
which fo the following solvents is the most miscible with hexane (C6H14) ? A. benzene B. ethanol C. water D. ethylene glycol E. an aqueous solution of sodium chloride A benzene (C6H6)
Arrange the following aquous solutions in order of increaseing boiling point. Assume 100% dissociation for all ionic compounds: .30m NH4NO3, .45m C6H12O6, .10m Al2(SO4)3 .45m C6h12O6 < .10m Al2(SO4)3 < .30m NH4NO3
When comparing acid strength the acid with the largets Ka value is the most acidic. True
The vapor pressure of a solution depends on the chemicla nature of the solvent. True
Introduceing a temperature stress to a reaction at equilibrium will change the equilibrium constant. True
Kw=1x10^-14 in all cases. False
For any reaction equilibrium is reached when the concentration of all reactants and products are equal. False
A catlyst can be added toa change an exothermic reaction to an endo thermic reaction. False.
When Cr(NO3)3 is dissolved in H2O the resulting solution is acidic. True
The following are listed in order of increasing acidity:HI False
If Na Br is 95% dissociated i=95 True
KNO3, KI, and NaClO4 all yield a neutral solution when dissolved in water. True
If Q>K the reaction will proceed from left to right to reach equalibrium. False
Ka+Kb=Kw False
NaOCl,KCN, and NaF all yield a basic solution when dissolved in water. True
HOCH2CH2OH has a lower vapor pressure than CH3Br True
Successive half lives are constant is consistent with a second order reaction. False
Δn for the following equilibrium is: A(g) + 2 B(s) AB(g) + B(s) A)-2 B)-1 C)0 D)1 E) 2 C) 0
Which of the following molecules or ions are Lewis bases? I. BH3 II. PH3 III. Al3+ IV. OH- A) IV only B) I and II C) I, III, and IV D) I, II, III, and IV E) II and IV II IV
Given the following information, what is the rate law for the reaction of A and B? • Doubling the concentration of A increases the rate by a factor of 4 • A plot of ln[B] verses time is linear A) Rate = k[A][B] B) Rate = k[A]2[B] B)Rate = k[A]2[B
19) Starting with equal concentrations of all reactants and products, which of the following is true at equilibrium concerning the reaction: NH3 + Br- NH2- + HBr A) [NH3] < [Br-] < [NH2-] < [HBr] B) [NH3] > [Br-] > [NH2-] > [HBr] C) [NH3] = [ D.
Created by: Golden Boy
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards