Atomic Structure
Where are protons in an atom?
In the nucleus
What are the three states of matter
•Solid
•Liquid
•gas
What is the ideal gas law?
PV = NRT
a substance that decreases the activation energy of a reaction without being consumed
What is a catalyst?
What produces hydrogen ions when dissolved in water?
An Acid
The electrons in the outer shell of an atom
What are valence electrons?
What molecules are ionic forces between?
2 or more ionic molecules
A reaction that releases heat into the surrounding
What is an exothermic reaction?
Factors that affect rate
-Concentration
-Temperature
-Size of particles
What is the PH of a neutral solution
7
How many atoms are in one mole?
6.02 x 10^23
When the dipole moments in a molecule cancel out, the molecule is...
non-polar
What does specific heat measure?
The amount of heat needed to raise a substance by 1 degrees
For which order is half life constant?
first order
a substance that shows a change in PH (usually by a change in color)
What is an Indicator?
How many electrons can a p orbital hold?
6
Hydrogen bonds occur between hydrogen atoms and…
Fluorine, Oxygen, Nitrogen
What stays constant in Boyle's law
temperature
What order is a reaction that produces a straight line when 1/[X] is plotted against time
Second order
in a neutralization reaction, an acid and base react to form...
salt and water
What did Rutherford discover?
He discovered the nucleus (gold foil experiment)
Why does an increase in size increase London dispersion forces?
The increase in size leads to a larger, more polarizable electron cloud
What is change in internal energy when temperature is constant?
0
What is the units of the rate constant for a zeroth order reaction
M/s (concentration/time)
A conjugate acid/base pair work as effective...
Buffers