The Mole
A unit of measurement used to express amounts of a chemical substance.
What is a mole?
The relationship between the relative qualities of substances taking part in a reaction or forming a compound.
What is Stoichiometry?
At constant temperature and volume, the total pressure exerted by a mix of gases is equal to the sum of the partial pressures.
What is Dalton's Law.
A liquid mixture in which the minor component is uniformly distributed within the major component.
What is a solution?
A state in which opposing forces or influences are balanced.
What is an equilibrium?
when comparing coefficients of elements we use.
what is mole ratio
Balance the following equation: CO + O2 -> CO2
2CO + O2 -> 2CO2
PV=nRT
What is the Ideal Gas Law?
It is able to dissolve other substances.
What is a solvent?
A chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
What is an acid?
How many moles are in 12g of aluminum?
.44m
How many moles of Na2S2O3 are needed to react completely with 42.7g of AgBr?0.455 moles
0.455 moles
The SI unit of temperature.
What is Kelvin?
The minor component in a solution, dissolved in the solvent.
What is a solute?
A substance that, is slippery to the touch, tastes bitter, changes the color of indicators, reacts with acids to form salts, and promotes certain chemical reactions.
What is a base?
How many grams is 0.345 moles of water?
6.22g
How many moles of HCl can form from 0.12mol of Cl2?
0.24 moles
A temperature at which all motion is said to stop, even electron's orbits. -273.
What is absolute zero?
How do you make a solution dissolve faster?
Add heat
How can you tell an acid and base apart?
An acid has a pH of anything below 7 and a base has anything higher than 7.
6.02 x 10^23
What is a molar mass? (avagadros number)
How many moles of Na2S2O3 are needed to react with 0.12mol of Cl2?
0.030 moles
A temperature at which the vapor pressure of the liquid is equal to the external pressure.
What is boiling point?
A measure of the acidity or basicity of an aqueous solution.
What is pH?