Periodic
The difference between a sodium atom and a sodium ion
Electrons
This reaction order's half-life does not depend on the initial concentration
First-order
When the rate of forward and reverse reactions are equal
Equilibrium
The sign of ΔG for a spontaneous reaction
negative
This is needed to form hydrogen bonds
N-H, O-H, F-H
The systemic name for Ti3(PO4)4
Titanium(IV) Phosphate
The reaction order of radioactive decay
First Order
This is donated by a Lewis base
Pair of electrons
The value of ΔG° when K=1
Zero
The oxidizing agent in
Pt2+(aq)+CH3CH2OH(aq) -> CH3CHO(aq)+Pt(s)+2H+(aq)
Pt2+
The amount of both is equal in all neutral atoms
Protons/Electrons
A graph of this yields a linear plot for a second-order reaction
1/[A] vs t
The only thing that can change the value of an equilibrium constant
Temperature
!!!Daily Double!!!
The value of E°cell for any concentration cell
Zero
The element with the largest %mass in NH4S2O3
Sulfur
The systemic name for HBrO4 (s)
Hydrogen Perbromate
The relationship between the equilibrium constant and rate constants
Keq=kf/kr
This solution is produced by combining a weak acid and the corresponding conjugate base
Buffer
How a catalyst lowers activation energy
Changes Mechanism
This experiment showed that atoms are mostly empty space
Rutherford Gold Foil Experiment
The identity and # of neutrons in 9038X
Strontium-90
52 neutrons
The change in initial rate when concentration of a 3rd order reactant is tripled
27X
The expected shift when the volume of the container is halved for the reaction
CH4(g) + H2O(g) <-> CO(g) + 2H2(g)
Shift left
Spontaneity of the following reaction
2Cl2(g) + 2NO(g) ->
N2(g) + 2Cl2O(g)
ΔH=-22.0 kJ/mol
Low Temperatures
The coefficient of OH- when this half reaction is balanced in basic solution
BrO- (aq) -> Br- (aq)
Two