What is a unit of measurement used to express the amounts of a chemical substance
100
what is Stoichiometry
What is the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers
100
what equation is used for gas stoichiometry
What is PV=nRT
100
what are solutions
What is a homogenous mixture of two or more substances that exist in a single phase
100
what is an acid
What is a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red
200
What is Avogadro's Number?
What is 600,000,000,000,000,000,000,000
200
What is a chemical reaction?
What is a process that releases or consumes energy,
leads to filled valence shells, and bonding substances together
200
What is an elastic collision?
What is an encounter between two bodies in which the total kinetic energy of the two bodies after the encounter is equal to their total kinetic energy before the encounter
200
what makes up a solution
What is solvent and solute
200
what is the number scale for bases
What is 7-14
300
whta is the equation that converts mass into moles is
What is moles = mass รท RFM
300
What does the number in front of the molecular symbol mean?
What is It shows the number of molecules in the reaction
300
What is the relationship between the temperature and pressure of a gas?
What is as temperature increases, velocity increases. that increases the number and energy of each molecular collision, including collisions with the walls of the container. that explains the increase in observed pressure
300
how do you get molarity
What is moles/liters
300
what is titration
What is a technique to determine the concentration of an unknown solution
400
What is the Mass of one Mole of Neon Atoms?
What is 20 g
400
What is a limiting reactant?
What is a reactant that will be consumed completely during a reaction
400
If you have 2.4 moles of gas held at a temperature of 97 oC in a 45 L container, what is the pressure of the gas?
What is 164KpA
400
is salt a solution
What is yes
400
What is a weak acid
What is any acid that does not dissociate completely
500
How many moles of KMnO4 are 3.64 x 1025 atoms of Mn in KMnO4?
What is 60.6 mol KMnO4
500
If 138.6 g of KClO3 is heated and decomposes completely, what mass of oxygen gas is produced?
KClO3 (s) --> KCl (s) + O2 (g)
What is 54.286 g O2 produced
500
if you have 4 of gas at pressure of 5.6 atm and a volume of 12 liters what is the temperature
What is 205K
500
If 50.0 ml of .30 M HCl is diluted to a final volume of 3000 ml, whats is the new molar concentration