question The equation for calculating the standard Gibbs free energy change G in a reaction is given by

Chemistry

The equation for calculating the standard Gibbs free energy change (ΔG°) in a reaction is given by:

A. ΔG° = ΔH° - TΔS°
B. ΔG° = ΔH° + TΔS°
C. ΔG° = ΔH°/T
D. ΔG° = -ΔH°/T

The equation for calculating the standard Gibbs free energy change (ΔG°) is ΔG° = ΔH° - TΔS°.

In the chemical equation C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂, what type of reaction is occurring?

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

What is the color change of phenolphthalein when added to a basic solution?

A. Pink to colorless
B. Colorless to pink
C. Yellow to blue
D. Blue to yellow

The Nernst equation relates the standard cell potential (E°cell) with:

A. Temperature
B. Pressure
C. Concentration
D. Volume

Which molecule has a triple covalent bond?

A. N2
B. CO
C. O2
D. H2

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s¹?

A. Rubidium
B. Strontium
C. Yttrium
D. Zirconium

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

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

The process of nuclear fission involves the:

A. Splitting of a large nucleus
B. Fusion of small nuclei
C. Emission of alpha particles
D. Absorption of neutrons

What is the primary function of DNA polymerase during DNA replication?

A. Synthesizing a new strand of DNA
B. Reading the RNA code
C. Breaking down DNA into nucleotides
D. Repairing damaged DNA

Which functional group is present in a ketone?

A. Carbonyl (C=O)
B. Hydroxyl (-OH)
C. Carboxyl (-COOH)
D. Amino (-NH₂)

What is the common name for sodium hydroxide (NaOH)?

A. Caustic soda
B. Baking soda
C. Washing soda
D. Epsom salt