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Chemistry

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HESI A2
HESI A2 Version 5
Chemistry

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Question 1 of 24

Chemical reactions in living systems proceed along catabolic pathways, leading to an increase in which of the following?

A. Entropy

B. Enthalpy

C. Glucose

D. Glycogen

Correct Answer:

Rationale:

Question 2 of 24

What is 119Â°K in degrees Celsius?

A. 32Â°C

B. -154Â°C

C. 154Â°C

D. -32Â°C

Correct Answer:

Rationale:

Question 3 of 24

An element has 6 protons, 6 electrons, and 6 neutrons. What is its atomic number?

A. 6

B. 12

C. 18

D. Not enough information

Correct Answer:

Rationale:

Question 4 of 24

Which element has 13 protons, 13 electrons, and 14 neutrons?

A. Fe

B. Zr

C. Al

D. Not enough information

Correct Answer:

Rationale:

Question 5 of 24

What are buffers?

A. Proteins

B. Solutions that resist changes in pH

C. Catalysts in a reaction

D. Inhibitors in a reaction

Correct Answer:

Rationale:

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