question The equation for calculating the heat transferred during a phase transition with no change in temperature is

Chemistry

The equation for calculating the heat transferred during a phase transition with no change in temperature is:

A. q = mL
B. q = mcΔT
C. q = msΔT
D. q = nCΔT

The equation for calculating the heat transferred during a phase transition with no change in temperature is q = mL, where L is the latent heat.

The chemical equation 2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O represents a:

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

Which of the following is an example of a weak base found in household cleaning products?

A. Ammonium hydroxide (NH₄OH)
B. Sodium hydroxide (NaOH)
C. Potassium hydroxide (KOH)
D. Calcium hydroxide (Ca(OH)₂)

What is the term for a bond formed by the sharing of electrons with no difference in electronegativity?

A. Nonpolar covalent
B. Polar covalent
C. Ionic
D. Metallic

The pH scale is logarithmic, meaning each unit represents a ________ change in acidity or alkalinity.

A. 10-fold
B. 5-fold
C. 2-fold
D. 3-fold

What is the major product of the dehydration of an alcohol?

A. Alkene
B. Aldehyde
C. Ketone
D. Ether

In the chemical equation 2N₂ + 3H₂ → 2NH₃, what type of reaction is occurring?

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

The VSEPR theory is used to predict:

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

What is the term for a molecule with an unequal distribution of electron density, creating a positive and negative end?

A. Polar
B. Nonpolar
C. Ionic
D. Metallic

Which lipids are important components of cell membranes and are characterized by a hydrophilic head and two hydrophobic tails?

A. Phospholipids
B. Triglycerides
C. Steroids
D. Waxes

What is the term for a bond formed by the attraction between positive metal ions and delocalized electrons?

A. Metallic
B. Ionic
C. Covalent
D. Polar