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9 & 10
10 & 11
12
13 &14
14 & 15
100
This gas law focuses on the relationship between pressure and volume.
What is Boyle's law?
100
The strongest intermolecular force
What is ionic?
100
Calculate the percent mass of 250 g of solution containing 8.0 g HC2H3O2.
What is 3.2%? 8g/250g *100%
100
This type of reaction releases heat as it occurs and therefore has a negative enthalpy.
What is exothermic?
100
Solve for the Keq for the following reaction: N2 (g) + NH3 (g) <--> 2NH3 (g)
What is [NH3]^2 / [N2][NH3] ?
200
A chemical equation is balanced when...
What is the same number of each kind of atom appears in the reactants and in the products?
200
Likely to be solid at room temperature: A) HF B) Na2S C) H2O D) N2 E) NH3
What is B) Na2S?
200
Calculate the morality of a solution that contains 10.0 g KOH in 4.0 L of solution. The gram formula mass of KOH is 56.1 g/mol.
What is .0446 g molarity? 10/1 * 1 mol/5.61 g/mol = .1783 mol/4 L
200
The formula for calculating Gibbs free energy.
What is ΔH-TΔS?
200
These factors affect reaction rates.
What are Surface Area, Temperature, Concentration, and Catalyst
300
The molar mass of CCl4 is 153.82 g/mol. This is the amount of grams of CCl4 needed to have 5.000 mol.
What is 769.05 g?
300
These intermolecular attract the molecules in a sample of solid SO2.
What are dipole-dipole and dispersion?
300
If 318 g of sodium sulfate is dissolved in 1040 g of water solvent, calculate the boiling temperature of the solution. Determine if this in an electrolyte. Kf = 1.858 Kb = 0.512
What is 103.943 degrees? 318g (1 mol)/119.055 = 2.67 mol (1000 g)/(1040 g) 1kg= 2.567. Tb=(2.567) (.512) (3)= 3.943+100 = 103.943 (degrees) What is an electrolyte?
300
This measure of randomness increases with every naturally occurring spontaneous reaction.
What is entropy?
300
These are equal in a state of equilibrium.
What is the rate at which the forward and reverse reactions are proceeding?
400
This is the formula mass of magnesium chloride, MgCl2.
What is 95.211 amu?
400
Explain and give an example of a crystalline structure.
What is a pattern found inside a unit cell resembling the structure of a crystal? What is ice?
400
Likely to be solid at room temperature: A) HF B) Na2S C) H2O D) N2 E) NH3 Explain using intermolecular forces.
What is B)Na2S because it has the strongest intermolecular force being ionic.
400
This type of reaction releases heat as it occurs and therefore has a negative enthalpy.
What is number of collisions occurring?
400
Using chewable tablets of Benadryl instead of the non-chewable form is an example of this reaction rate factor.
What is surface area?
500
For the reaction: 2Na + 2H2O --> 2NaOH + H2 This is the amount of grams of sodium hydroxide are produced from 3.0 mol of water.
What is 240 g?
500
This shows the state of a solution in various pressures and temperatures.
What is a phase diagram?
500
Find the molality of salt-water solution containing 0.27 NaCl in 160 g water.
What is 1.688 molality? .27 mol (1000 g)/160 g (1 kg)
500
Out of ice, water, and steam, this would have the greatest entropy.
What is steam?
500
Explain what an enzyme is.
What is a special and distinct class of catalysts comprised of naturally occurring biological substances?