Objective Questions

What are the properties of liquids?

How do particles in liquids move?

Why do liquids have greater densities than gases?

Why do liquids have fixed volume but take the shape of their container?

What is the order of ease of compression for the three states of matter?

What causes gas pressure?

What happens when solids are heated?

What happens when liquids are cooled?

What is evaporation?

What is boiling?

What is condensation?

In melting point determination, what temperatures are recorded?

What is the primary distinction between chemical bonds and intermolecular force…

Which of the following correctly describes the formation of an ionic bond?

In dot and cross diagrams for ionic bonding, what information is typically show…

What is the definition of a covalent bond?

In a dative covalent bond, how are the shared electrons supplied?

What is a sigma (σ) bond?

What is a pi (π) bond?

What is the correct order of repulsion strength between electron pairs?

What is the bond angle in a molecule with tetrahedral geometry and no lone pair…

What is the bond angle in a molecule with trigonal planar geometry?

What is the shape and bond angle of a water molecule (H₂O)?

What is the shape and bond angle of an ammonia molecule (NH₃)?

What is the shape of the ammonium ion (NH₄⁺)?

What holds a metal together in metallic bonding?

When can ionic compounds conduct electricity?

Why are most molecular compounds (covalent) insoluble in water but often solubl…

What is the typical strength range of intermolecular forces compared to covalen…

What are hydrogen bonds?

Why does water have a unique property of expanding as it freezes, making ice le…

What are ion-dipole interactions?

What is the origin of London dispersion forces?

Why do larger molecules generally have higher boiling points due to London disp…

How does molecular shape affect the strength of London dispersion forces?

If two molecules are of comparable size and shape, which intermolecular force i…

According to the kinetic theory of matter, what is the fundamental nature of ma…

Why do solids have a fixed shape and volume at a given temperature?

Why do liquids have a fixed volume but take the shape of their container?

Why are gases easily compressed?

What happens to the particles of a solid when it is heated and begins to melt?

What is the process of evaporation?

What is the difference between evaporation and boiling?

Why do liquids expand when heated?

What is viscosity?

What is surface tension?

What does the kinetic theory state about the relationship between average kinet…

Which state of matter has particles that are widely spaced, move randomly at hi…

In the context of intermolecular forces, what is polarizability?

Why do substances with stronger intermolecular forces generally have higher boi…

What is the mass in grams of 3.00 millimoles of CO₂? (C=12, O=16)

The difference in __________ affects bond polarity.

In a __________ covalent bond, electrons are shared equally.

Ionic compounds are __________ in nature.

In metallic bonding, electrons are shared across a large volume of metal atoms,…

The bonding force is the attraction between __________ electrons and positive m…

Metals have high melting and boiling points due to strong __________ forces.

In a liquid, the forces between particles are __________.

When these forces are fully broken, the liquid turns into a __________.

__________ is the direct change from solid to vapour.

An example is solid __________ changing to vapour.

__________ is the direct change from gas to solid.

It has __________% s character and 75% p character.

Its geometry is __________.

Examples include Methane (CH4) and __________ (NH3).

SP2 hybridization has a bond angle of __________ degrees.

It has 33.3% s character and __________% p character.

Its geometry is __________ planar.

Examples include Ethene (C2H4) and __________ trichloride (BCl3).

SP hybridization has a bond angle of __________ degrees.

It has 50% s character and __________% p character.

Examples include Ethyne (C2H2) and __________ Chloride (BeCl2).

This section introduces systems and surroundings, energy, work, heat, internal …

Energy is the capability to do __________.

Which is true for an exergonic process?

Electrolysis is the process in which a chemical reaction takes place at the exp…

What is the mass percent composition of fluorine in haloethane (C₂HBrClF₃)?

An electrolytic cell uses electrical energy to drive

Which of the following is a poor electrical conductor?

For the reaction 2H₂(g) + O₂(g) → 2H₂O(l) with ΔH = -572 kJ, which statement is…

For which system does the equilibrium constant, K, have the units of (concentra…

One of the criticisms of Democritus's atomic theory was that it...

Which element is the most common in the human body by mass?

What is the reference state for carbon?

Democritus and Aristotle were both.............

In chemistry, the most common work is __________ work, given by w = -P ΔV.

The negative sign indicates the __________ is doing work.

Heat (q) is energy transferred due to a difference in __________.

Heat flows from a region of __________ temperature to one of lower temperature.

Enthalpy is an __________ property (depends on amount).

The enthalpy change for a reverse reaction is equal in magnitude but opposite i…

For 2CO(g) + 1/2 O2(g) -> 2CO2(g), ΔH = __________ kJ/mol.

The energy in food is released during __________.

It is measured in __________ or kilojoules.

Carbohydrates provide __________ kcal per gram.

Fats provide __________ kcal per gram.

Proteins provide __________ kcal per gram.

White bread provides roughly __________ kcal per 100g.

Salmon is a source of both __________ and fat.

Fuels release stored __________ energy when reacted.