See, Hear, Speak No Evidence (Empirical Properties)
An unknown aqueous solution that makes your hands feel slippery and turns litmus paper from red to blue.
What is a base?
According to the original Arrhenius theory, all acids produce this specific ion when they ionize in water.
What is a hydrogen ion, H+(aq)?
At room temperature, a neutral, pure water solution contains this concentration of hydronium ions.
What is 1.0 x 10^-7 mol/L?
The color phenolphthalein turns when a solution is basic with a pH greater than 10.0
What is pink?
The percentage ionization that defines a strong acid.
What is >99%?
The classical name for H2S(aq).
What is hydrosulfuric acid?
According to the modified Arrhenius theory, this specific ion is produced by all acids when they ionize in water.
What is a hydronium ion, H3O+(aq)?
The factor by which a solution with a pH of 2 is more acidic than a solution with a pH of 5.
What is 1000 times?
This common indicator changes from red to yellow as the pH increases across a range of 3.2 to 4.4.
What is methyl orange?
This substance can act as an Arrhenius acid or base.
What is an amphoteric substance?
The correct chemical formula and state of matter of aqueous perchloric acid.
What is HClO4(aq)?
When writing a modified Arrhenius reaction equation for non-metal oxides (e.g., SO2(g)), this exact number of moles of water must be included as a reactant.
What are two moles of water, H2O(l)?
The pH of a cleaning solution if its hydroxide ion concentration is 0.15 mol/L.
What is 13.18?
The form an acid-base indicator adopts in an acidic solution.
What is an acid-form, or HIn(aq)?
Barium hydroxide has a higher electrical conductivity relative to sodium hydroxide due to this reason.
What is dissociating into two moles of hydroxide ions per mole of base?
When testing an unknown acid solution with a carbonate compound, such as sodium bicarbonate, this specific gas bubbles out as a telltale sign of the reaction.
What is carbon dioxide, CO2(g)?
The complete modified Arrhenius reaction equation for aqueous ammonia in solution (as a base).
What is
NH3(aq) + H2O(l) --> OH-(aq) + NH4+(aq)?
The pH of a 500 mL solution containing 0.25 mol of nitric acid.
What is 0.30?
The colour that thymol blue turns when a solution has a pH of 6.5.
What is yellow?
The pH of a 0.055 mol/L solution of hydrochloric acid, HCl.
What is 1.26?
Found in ants, this classic organic acid tastes sharp and sour and conducts electricity.
What is formic acid, HCOOH(aq)?
The second step of the modified Arrhenius reaction equation for the reaction of sulfate ion (as a polyprotic base) in water.
What is
HSO4-(aq) + H2O(l) --> H2SO4(aq) + OH-(aq)?
The percent ionization of a 0.20 M solution of acetic acid with a pH of 2.48.
What is 1.7%?
Separate samples of a solution turn bromothymol blue yellow and litmus paper red, while phenolphthalein remains colourless. This is the estimated narrowest integer pH range for the solution.
What is 0.0 - 6.0?
The names of the six strong acids.
What is
-Hydrochloric acid (HCl)
-Hydroiodic acid (HI)
-Hydrobromic acid (HBr)
-Perchloric acid (HClO4)
-Sulfuric acid (H2SO4)
-Nitric acid (HNO3)?