IMF
LDF
In chromatography, this type of molecule will travel further up the paper if water is the solvent.
polar
What would you expect the two major products of a combustion reaction to be other than heat?
CO2 and H2O
Name three factors that effect the rate of a reaction
concentration, temperature, surface area, pressure , catalyst
The minimum energy required for a chemical reaction to occur.
Activation energy
What IMFs are present in HF?
LDF, Dipole-Dipole , Hydrogen Bond
Deviations from the Ideal Gas Law can occur under these two conditions.
low temperature and high pressure
given NO in second order and O2 in first order: the rate law is ....................
rate = k[NO]2[O2]
The job of a catalyst is to
lower the activation energy
To calculate Enthalpy of a reaction, you would ...
take the energy of the products - the energy of the reactants
Which IMF would be present between Ca 2+ and H2O in a solution?
ion - dipole
These solids are characterized by extremely high melting points and strength.
covalent network solid
This term refers to the ratio of the actual yield to the theoretical yield, multiplied by 100%.
Percent yield
What two factors affect the success of reactant particle collisions?
energy and orientation
Entropy
As the IMF strength increases, the vapor pressure of a substance will _______________.
decrease
The Beer-Lambert law states that the light that is absorbed by a solution with color is directly related to this.
concentration
A+B→E+C (slow)
E+A→E2 (fast)
E2+B→D2+C (fast)
Write the overall equation and the rate law
2A + 2B → 2C + D2
rate = k [A][(B]
What order is represented with the integrated rate law equation [A] vs. time when looking at a graph?
zero order
Type of reaction that absorbs energy from the surroundings is an
endothermic reaction
Comparing CH4 and CI4 which what type of IMFs are present and which substance will have stronger IMFs and why
LDF; CI4 as it is more polarizable as it has more electrons
This type of molecular movement is related to low energy (microwave) radiation.
Rotational motion
The rate determining step is the
slowest step
If the both the concentration and the rate double, what would the order of the reactant be?
If a reaction has a negative enthalpy and and negative entropy, the gibbs free energy would be favorable at __________ temperatures
low temperatures