Objective Questions

What do Fajan's Rules state about covalent character?

What is bond order?

What is the effect of higher bond order?

What is the bond order of nitrogen (N≡N)?

What are the distinctive features of solids?

How do particles move in a solid?

What is an amorphous solid?

What is a crystalline solid?

What are the main characteristics of crystalline substances?

What are the four types of crystalline solids?

What are ionic solids composed of?

What are molecular solids composed of?

What are network covalent solids?

What are characteristics of amorphous solids?

Why are amorphous solids called isotropic?

What is the limiting reagent in a chemical reaction?

What determines the amount of product in a chemical reaction?

What are excess reagents?

In the Bunsen burner example with methane combustion, what is the limiting reag…

In the reaction N₂(g) + 3H₂(g) → 2NH₃(g), if you have 1 molecule of N₂ and 5 mo…

In the reaction N₂(g) + 3H₂(g) → 2NH₃(g), if you have 1 molecule of N₂ and 5 mo…

In the reaction N₂(g) + 3H₂(g) → 2NH₃(g), if you have 1 molecule of N₂ and 5 mo…

In the sample problem, when 2.8 mol of TiCl₄ reacts with 5.4 mol of Mg accordin…

In the sample problem, how much titanium is produced when 2.8 mol of TiCl₄ reac…

In the reaction HNO₃(aq) + NaHCO₃(s) → H₂O(l) + CO₂(g) + NaNO₃(aq), what amount…

In the reaction 4HCl(aq) + MnO₂(s) → Cl₂(g) + 2H₂O(l) + MnCl₂(aq), what amount …

In the reaction of aluminum with iodine to form AlI₃, predict the amount of pro…

In the reaction of aluminum with iron(III) oxide, what amount of iron is expect…

In the reaction of aluminum with iron(III) oxide, what amount of Al₂O₃ is expec…

What mass of methanol can be produced from 9.80 g of carbon monoxide and 1.30 g…

In the methanol production example, what is the molar mass of CO used in the ca…

In the methanol production example, what is the molar mass of H₂ used in the ca…

In the methanol production example, what is the molar mass of CH₃OH used in the…

In the reaction SiO₂(s) + 3C(s) → SiC(s) + 2CO₂(g), determine the mass of silic…

In the reaction 2Fe(s) + 3Cl₂(g) → 2FeCl₃(s), what mass of iron(III) chloride i…

In the reaction 4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g), determine the limiting rea…

In the reaction 4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g), what mass of nitrogen mono…

In the reaction 4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g), what mass of water is prod…

What is theoretical yield?

When is the theoretical yield achieved?

What is actual yield?

How does actual yield compare to theoretical yield in practice?

What is one factor that affects the reduction of actual yield compared to theor…

What is an example of a competing reverse reaction mentioned in the notes?

How does experimental procedure affect actual yield?

How do impurities affect actual yield?

What effect do competing side reactions have on yield?

How is percentage yield defined?

In the sample problem, 20.0 g of hydrogen reacted with excess carbon dioxide to…

What are the three common states of matter?

How are gas particles arranged?

Why do gases show unique properties that distinguish them from solids and liqui…

Why can gases be compressed easily?

What is an example of gas compressibility?

Why do gases expand to fill any container?

Why do gases have very low densities compared to solids and liquids?

What is an example of low gas density mentioned in the notes?

What is diffusion?

What is an example of diffusion?

What is effusion?

What is an example of effusion?

What factors affect gas pressure?

What does Boyle's Law state?

What is the mathematical expression for Boyle's Law?

What does Charles' Law state?

What is the mathematical expression for Charles' Law?

What does Gay-Lussac's Law state?

What is the mathematical expression for Gay-Lussac's Law?

What does Graham's Law of Diffusion state?

A gas occupies a volume of 400 cm³ at a pressure of 100 kPa. What will be its v…

A gas has a volume of 250 cm³ at 300 K. What will be its volume at 600 K at con…

Why does gas pressure increase when temperature increases?

What is an equation of state?

What does an equation of state define?

What is the most common example of an equation of state?

What assumptions does the Ideal Gas Law make?

For non-ideal conditions, what type of equations are used?

When are limiting laws (gas laws) strictly true?

What happens to real gas behavior at higher pressures?

What types of molecular interactions do real gases have?

What does the First Law of Thermodynamics state?

What is a spontaneous process?

Which of the following is an example of a spontaneous process?

Does spontaneity indicate the speed of a reaction?

What is the relationship between diamond and graphite in terms of spontaneity?

Can a catalyst make a nonspontaneous process spontaneous?

What is a nonspontaneous process?

What happens to processes that are spontaneous in one direction?

At temperatures below 0°C, what happens to water spontaneously?

At temperatures above 0°C, what happens to ice spontaneously?

Is exothermicity always the key to spontaneity?

What common theme underlies spontaneous processes?

What is a reversible process?

What is an irreversible process?

Are all real processes reversible or irreversible?

What is entropy (S)?

Who coined the term entropy?

Is entropy a state function?

For an isothermal process, how is entropy change calculated?

What are spontaneous processes driven by?