Question 1
Define and list an example of each of the following: acid, base, strong electrolyte, weak electrolyte, and nonelectrolyte. Explain why each of your examples matches the definition.
Question 2
In your own words, define and compare fission and fusion (be specific). Provide an example of each in your response.
Question 3
Scientific Method.
a. List the steps of the Scientific Method.
b. Create an example of a scientific study that could be done in terms of the steps of the scientific method. Be creative and describe the study in terms of the steps of the scientific method.
Question 4
What is the mass of sodium chloride used to create a 100 mL solution at a concentration of 1.5 M? Your solution must include a step-by-step solution with units included throughout to support your final answer.
Question 5
For the nitrite ion (NO2- ), identify:
a. How many total lone pairs are in the ion?
b. What is the VSEPR molecular shape of the ion?
c. How many resonance structures can be drawn from the ion?
Question 6
The density of table salt is 2.16 g/cm3. Detail the conversion into units of pounds per liter, and provide the density in lb/L. Your solution must include a step-by-step solution with units included throughout.
Question 7
Given the reaction between ammonia and oxygen as 4NH3 + 5O2 4NO + 6H2O:
a. Calculate the amount of nitrogen monoxide (in grams) produced if 0.5 g of ammonia is reacted.
b. Calculate the amount of nitrogen monoxide (in grams) produced if 0.5 g of oxygen is reacted.
c. In comparing (a) and (b), indicate what the limiting reactant is. Explain.
Your solution must include a step-by-step solution with units included throughout to support your answers.
Question 8
In using the following table, note which intermolecular attractive interactions are present for each of the following substances. For each interaction, explain why you selected it or why you did not. Be specific.
Substance Dispersion Dipole-dipole Hydrogen bonding Ion-dipole
CO2 (g)
NaCl(aq)
OF2 (g)
Question 9
As a birthday balloon is filled with helium, the amount of helium increases from 1.5 moles of helium to 9.5 moles of helium. If the initial volume of the balloon is 50.5 mL, what is the final volume? Your solution must include a step-by-step solution with units included throughout.
Question 10
The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 °C. The specific heat of this compound in the liquid state is 0.91 J/g-K and in the gas state is 0.67 J/g-K. The heat of vaporization is 27.5 kJ/mol. What is the amount of heat required to convert 5.6 g of the compound from a liquid at 30.0 °C to a gas at 60.5 °C? Your solution must include a step-by-step solution with units included throughout.