question Which instrument is commonly used for separating and identifying components of a mixture based on mass to charge ratio

Chemistry

Which instrument is commonly used for separating and identifying components of a mixture based on mass-to-charge ratio?

A. Mass spectrometer
B. UV-Visible spectrophotometer
C. Gas chromatograph
D. NMR spectrometer

Mass spectrometry separates and identifies components based on mass-to-charge ratio.

The formula for calculating the speed of light (c) is:

A. c = λν
B. c = ν/λ
C. c = λ + ν
D. c = λ - ν

The breakdown of fatty acids to generate acetyl-CoA occurs in the process known as:

A. Beta-oxidation
B. Glycolysis
C. Citric acid cycle
D. Lipogenesis

The compound Ca(NO₃)₂ is commonly known as:

A. Calcium nitrate
B. Calcium nitride
C. Calcium nitrite
D. Calcium nitrate

In the quantum mechanical model, an orbital is defined as:

A. A region of high probability
B. A circular path
C. A fixed trajectory
D. A linear path

What is the balanced chemical equation for the reaction between sulfuric acid (H₂SO₄) and sodium hydroxide (NaOH)?

A. 2H₂SO₄ + 2NaOH → 2Na₂SO₄ + 2H₂O
B. H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
C. H₂SO₄ + NaOH → Na₂SO₄ + H₂O
D. 2H₂SO₄ + NaOH → Na₂SO₄ + 2H₂O

The element with the highest electronegativity is:

A. Fluorine
B. Oxygen
C. Nitrogen
D. Carbon

The pH scale ranges from:

A. 0 to 14
B. 0 to 7
C. 7 to 14
D. -7 to 7

The unit of heat capacity is:

A. Joule per Kelvin (J/K)
B. Calorie per Kelvin (cal/K)
C. Watt per Kelvin (W/K)
D. Coulomb per Kelvin (C/K)

The chemical formula for sulfuric acid is:

A. H₂SO₄
B. HCl
C. HNO₃
D. H₂O

The balanced chemical equation for the reaction between aluminum (Al) and hydrochloric acid (HCl) is:

A. 2Al + 6HCl → 2AlCl₃ + 3H₂
B. Al + HCl → AlCl₃ + H₂
C. Al + 2HCl → AlCl₂ + H₂
D. 2Al + 3HCl → AlCl₃ + H₂