Question | Answer |
A sour taste is associated with | acids |
A base usually feels | slippery |
A single proton is the difference between the members of a _____________pair | conjugate pair |
these acid base scales are based on the self-ionization of H2O water | pH and pOH scales |
pain experienced in the esophagus due to acid moving into the esophagus, due to overeating | Acid Reflux |
Gain of a proton is called | Protonation |
The definition for acids and bases that deal only with aqueous solutions | Arrhenius acids and bases |
Do all bases contain an OH group | No, but if they don't , when they ionize with water, they join up with the O in H2O to create OH- ions. |
What color does litmus turn in the presence of bases? | Blue |
What color does litmus turn in the presence of acids? | Red |
When phenolphthalein turns bright pink it is in the presence an acid or a base? | Base |
The broadest definition for acids and bases are | Lewis acids and bases |
A pH of 14 is (acid, base, or neutral)? | base |
A pH of 7 is (acid, base, or neutral)? | neutral |
A pH of 2 is (acid, base, or neutral)? | acid |
What ions do acids produce in solution? | hydrogen ions: which react with water to create hydronium ions |
What ions do bases produce in solution? | OH- |
What is the general equation representing acid-base reactions in water? | acid + base --> salt + water |
Neutralization takes place in a______________solution | water |
Substances that change color when the pH of a solution changes are known as? | indicators |
What is the difference between a strong acid and a weak acid? | In strong acids, nearly all the acid molecules dissociate into ions. In weak acids, a small fraction of the molecules dissolve in water. |
What were the reactants responsible for the reaction in the video? | Sulfuric acid (H2SO4) and sucrose (C11H22O11) |
What were the products in the reaction between Sulfuric acid and sucrose | carbon + water |
What was the unit of measure of concentration we used for the acid solutions? | Molarity |
When working with sulfuric acid, we kept sodium carbonate on hand as a safety, because it is a __________ that reacts with the acid to create a _______________reaction. | base/neutralization |