question The term adiabatic wall in thermodynamics refers to a boundary that allows

Chemistry

The term "adiabatic wall" in thermodynamics refers to a boundary that allows:

A. Heat transfer
B. Volume change
C. Pressure change
D. No heat transfer

An adiabatic wall is a boundary that allows no heat transfer.

What is the shape of an s orbital?

A. Spherical
B. Linear
C. Dumbbell
D. Tetrahedral

The VSEPR theory is used to predict:

A. Molecular shapes
B. Bond strengths
C. Electron affinities
D. Ionization energies

The chemical equation 2KBr + Cl₂ → 2KCl + Br₂ represents a:

A. Synthesis
B. Decomposition
C. Single displacement
D. Double displacement

The Pauli Exclusion Principle states that no two electrons in an atom can have the same:

A. Spin
B. Energy level
C. Principal quantum number
D. Magnetic quantum number

The Joule's Law describes the relationship between the internal energy change (ΔU) and:

A. Temperature
B. Volume
C. Pressure
D. Heat transfer

The reaction 2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂O is an example of a:

A. Neutralization
B. Combustion
C. Synthesis
D. Decomposition

What is the IUPAC name for CH₃CH₂CH₂COOCH₃?

A. Ethyl acetate
B. Methyl acetate
C. Butyl acetate
D. Propyl acetate

What is the equation for the Van't Hoff factor (i) in colligative properties of solutions?

A. i = 1 + n - 1
B. i = n - 1
C. i = n + 1
D. i = 1/n

Which of the following is a metalloid?

A. Boron
B. Bromine
C. Barium
D. Bismuth

The Antoine equation is used to describe the:

A. Ideal gas behavior
B. Vapor pressure of a substance
C. Heat capacity of a gas
D. Enthalpy change in a reaction