question The technique that measures the amount of heat released or absorbed during a chemical reaction is known as

Chemistry

The technique that measures the amount of heat released or absorbed during a chemical reaction is known as:

A. Calorimetry
B. Potentiometry
C. Polarimetry
D. Colorimetry

Calorimetry measures the amount of heat released or absorbed during a chemical reaction.

Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?

A. Gay-Lussac's law
B. Boyle's law
C. Charles's law
D. Dalton's law

What is the product of the reaction between sulfuric acid (H₂SO₄) and sodium sulfide (Na₂S)?

A. Sodium sulfate and hydrogen sulfide
B. Sodium hydrogen sulfate and water
C. Sodium sulfate and water
D. Hydrogen sulfide and sodium sulfate

What is the primary function of a buffer solution in potentiometric titrations?

A. Maintains a constant pH
B. Enhances the color of the solution
C. Accelerates the reaction rate
D. Increases the sensitivity of the electrode

The element with the chemical symbol Ag is:

A. Silver
B. Silicon
C. Sodium
D. Sulfur

Which analytical technique is based on the measurement of the electrical potential of a solution?

A. Potentiometry
B. Chromatography
C. Spectroscopy
D. Calorimetry

What is the chemical formula of nitric acid?

A. HNO₃
B. HCl
C. H₂SO₄
D. H₃PO₄

What is the IUPAC name for CH₃CH₂COCH₂CH₃?

A. Butanone
B. Pentanone
C. Hexanone
D. Propanone

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

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

The term "enthalpy" is often represented by the symbol:

A. H
B. E
C. G
D. S

Which molecule serves as the primary energy currency in cells, providing energy for various cellular processes?

A. Adenosine triphosphate (ATP)
B. Deoxyribonucleic acid (DNA)
C. Ribonucleic acid (RNA)
D. Glucose