| Hint | Answer | % Correct |
|---|---|---|
| Measure of the acidity and basicity of a substance | pH | 88%
|
| Able to dissolve other substances | Solvent | 88%
|
| Chemical reaction that releases energy, causing surroundings to be warmer | Exothermic | 86%
|
| Atoms of the same element that have different numbers of neutrons | Isotope | 86%
|
| Rate of forward and reverse reactions are equal | Equilibrium | 84%
|
| Lab apparatus used to measure precise volume of liquid or gas | Burette | 83%
|
| A substance that accelerates a reaction by participating in it without being consumed | Catalyst | 83%
|
| A species with an overall electric charge | Ion | 81%
|
| Amount of a substance | Mole | 81%
|
| Process in which a substance burns in the presence of oxygen, releasing heat and light | Combustion | 77%
|
| Degree of randomness and disorder in a system | Entropy | 74%
|
| Quantitative process to determine the exact amount of a reagent | Titration | 74%
|
| Unit of measure for the pressure exerted by 1 mm of mercury | Torr | 73%
|
| Composition is uniform | Homogeneous | 67%
|
| Proton acceptors | Base | 56%
|