question Which law of thermodynamics states that as a system approaches absolute zero the entropy approaches a minimum constant value

What is the shape of a molecule with a linear electron domain geometry?

A. Linear
B. Trigonal planar
C. Tetrahedral
D. Bent

What is the chemical formula of sulfuric acid?

A. H₂SO₄
B. HCl
C. HNO₃
D. H₃PO₄

What is the product of the reaction between hydrochloric acid (HCl) and magnesium carbonate (MgCO₃)?

A. Magnesium chloride and water
B. Carbon dioxide and water
C. Magnesium chloride and carbon dioxide
D. Magnesium hydroxide and carbon dioxide

What is the function of RNA interference (RNAi) in cells?

A. Regulating gene expression
B. Catalyzing chemical reactions
C. Storing genetic information
D. Facilitating cellular respiration

Which acid is produced in the stomach to aid digestion?

A. Hydrochloric acid (HCl)
B. Sulfuric acid (H₂SO₄)
C. Nitric acid (HNO₃)
D. Phosphoric acid (H₃PO₄)

The reaction 2H₂ + Cl₂ → 2HCl is an example of a:

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

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 relationship between the freezing point (F) and boiling point (B) in the Celsius scale for water?

A. B = F + 100
B. B = F + 32
C. B = F - 32
D. B = F - 100

The mathematical representation of the uncertainty in the position and momentum of a particle is given by:

A. ΔxΔp ≥ ħ/2
B. ΔxΔp ≤ ħ/2
C. ΔxΔp = ħ
D. ΔxΔp > ħ/2

What is the primary goal of analytical chemistry?

A. Determining the composition of substances
B. Studying atomic structure
C. Investigating chemical reactions
D. Analyzing geological formations