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Nursing Elites

ATI TEAS 7

Chemistry

1. Which of the following is NOT a factor affecting the rate of a chemical reaction?

Correct answer: D

Rationale: Color of the reaction mixture. While color change can sometimes be an indicator of a reaction, it doesn't directly influence the reaction rate.

2. What is the waste product of protein digestion?

Correct answer: D

Rationale: Rationale: Protein digestion involves breaking down proteins into their constituent amino acids. During this process, the waste product produced is ammonia. Ammonia is a toxic compound that needs to be converted into urea in the liver and then excreted by the kidneys in the form of urine. Glucose is a product of carbohydrate digestion, amino acids are the building blocks of proteins, and fatty acids are the end products of fat digestion.

3. How is work defined in terms of force and displacement?

Correct answer: d

Rationale: Work is calculated as the force applied to an object multiplied by the displacement of the object in the direction of the force.

4. How is the density of a substance calculated?

Correct answer: A

Rationale: Density is the mass per unit volume of a substance.

5. Which element is used in fire extinguishers to smother flames by displacing oxygen?

Correct answer: B

Rationale: Carbon dioxide extinguishes flames by depriving them of oxygen, preventing the chemical reaction that sustains the fire.

6. What is the author's stance towards the idea of smart cities?

Correct answer: C

Rationale: The passage acknowledges both the promise and challenges of smart cities, demonstrating a balanced perspective.

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