Examples
Give an example of a polar molecule
H2O, NH3, HBr
An organic compound must contain what?
carbon
Draw the correct Lewis diagram for hydrogen chloride
HCl
What is this?
methanol
What is the pH of an acidic solution? (be specific)
less than 7
Give an example of an amphoteric substance
water
In a triple bond, how many electron pairs are shared?
three
What is concentration measured in?
molarity
What is the term for the phase change directly from a solid to a gas?
sublimation
List one thing that happens in a neutralization reaction
acid is neutralized, base is neutralized, water and salt is formed
Give an example of a buffered solution
Blood, Montana river, shampoo
CH3CH2CH2CH=CH2 is an example of what kind of hydrocarbon.
alkene
Name one thing that is happening in a reversible reaction
the rate of each reaction changes throughout the process, Any reaction carried out in a closed container will eventually reach equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction.
What is "a laboratory technique that uses a solution of known concentration to determine the concentration of another solution"?
titration
What is H2SO4?
sulfuric acid
Give an example of a weak acid
Acetic acid HC₂H₃O₂
The fifth member of the alkane series has the formula____.
C5H12
Why do road crews put brine on the road in the winter?
The brine lowers the freezing point of the snow and ice, Salt gets in the way of water molecules and stops the water from forming ice, Below certain temperatures, the brine will not be helpful and ice will remain.
What is "a substance whose aqueous solution conducts an electric current"?
electrolyte
In the reaction HCl(aq) + KOH(aq) ⇨ KCl (aq) + H2O(l), what is the conjugate acid?
H2O(l)
Give an example of a necessary ingredient in making soap
Fat, strong base, distilled water
What is the name of this compound?
ethylbenzene
When the particles of a solid gain enough kinetic energy to break their ordered arrangement and slip past one another, the solid...
Melts
What is a solution that resists drastic changes in pH when small amounts of a strong acid or base are added to it?
buffer
What are the products that would be expected in the neutralization reaction involving nitric acid and barium hydroxide?
Ba(NO3)2 and H2O