Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
29 Cards in this Set
- Front
- Back
|
mole |
the counting unit used for atoms |
|
|
molar mass |
mass in grams of one mole of any substance |
|
|
stoichiometry |
the numerical relationship between chemical quantities in a balanced chemical equation |
|
|
household acids |
vinegar, citrus fruits, carbonated beverages, black coffee, vitamin C, aspirin |
|
|
household bases |
household ammonia, baking soda, soap, detergents, milk of magnesia, oven cleaners, lye drain cleaners |
|
|
properties of acids |
sour taste; provide H+ ions; react with active metals to give hydrogen; change colors of indicators blue to red; produce CO2 when added to limestone |
|
|
properties of bases |
bitter taste; provide OH- ions; slippery feeling; change colors of indicators from red to blue |
|
|
hydronium ion |
a hydrated proton, H3O+ |
|
|
acidic solution |
a solution that contains a higher concentration of H3O+ ions than OH- ions |
|
|
basic (alkaline) solution |
a solution that contains a higher concentration of OH- ions than H3O+ ions |
|
|
neutralization reaction |
reaction of equivalent quantities of an acid and a base |
|
|
salt |
ionic compound composed of the cation from a base and the anion from an acid |
|
|
acid-base reaction |
reaction in which H+ is exchanged between an acid and a base |
|
|
strong acids |
dissociate completely in water (no solute molecules remain) |
|
|
dissociate |
every single molecule of the acid gives off the extra hydrogen from its formula |
|
|
weak acids |
dissociate only partially in water |
|
|
sulfuric acid |
H2SO4 |
|
|
hydrochloric acid |
HCl |
|
|
acetic acid |
CH3COOH |
|
|
strong bases |
dissociate completely in water |
|
|
weak base |
ionizes only partially; produces litttle OH- |
|
|
ammonia (base) |
NH3 |
|
|
sodium bicarbonate (base) |
NAHCO3 |
|
|
sodium carbonate (base) |
Na2CO3 |
|
|
calcium carbonate (base) |
CaCO3 |
|
|
molarity |
number of moles of solute per liter of solution |
|
|
calculate pH |
pH = -log[H3O+] |
|
|
calculate concentration of hydronium [H3O+] |
[H3O+] = 10^ -pH |
|
|
calculate pOH |
pOH = -log[OH-] |
