What types of reaction is Cu (s) + 2AgNO3(aq) → 2Ag(s) + Cu(NO3)2(aq)?

A. Single replacement

B. Double replacement

C. Synthesis

D. Decomposition

Answer Explanation:

This is a single replacement reaction in which copper replaces silver. The copper combines with the nitrate ions, and the silver precipitates out. Single replacement reactions have the general form of

A + BC →AC + B. Double replacement reactions have the general form of AB + CD→ AD + CB. Synthesis reactions have the general form of A + B →AB. Decomposition reactions have the general form AB→ A+B.

Therefore, the Correct Answer is A.

Q #1: Which of the following is true regarding adipocytes?

A. They are involved in the secretion of glucose.

B. They are responsible for storing the fat that is found in adipose tissue

C. They are critical in the digestive breakdown of fat

D. They are the foundational element of muscles

Answer Explanation

Adipocytes are primarily seen in adipose or fat tissue. Their primary function is the storage of fat Adipocytes play a crucial role in maintaining proper energy balance, storing calories in the form of lipids, and mobilizing energy sources in response to stress. They are not involved in the digestion of fat or the secretion of glucose, nor are they the foundational element of muscles
Q #2: What is most likely the pH of a solution containing many hydroxide ions (OH-) and few hydrogen ions(H+)

A. 2

B. 6

C. 7

D. 9

Answer Explanation

A solution that contains more hydroxide ions than hydrogen ions is a base, and bases have a pH greater than 7, so the only possible answer is choice D. 9.
Q #3: Which of the below is the best definition for the term circulation?

A. The transport of oxygen and other nutrients to the tissues via the cardiovascular system

B. The force exerted by blood against a unit area of the blood vessel walls

C. The branching air passageways inside the lungs

D. The process of breathing in

Answer Explanation

Circulation is transporting oxygen and other nutrients to the tissues via the cardiovascular system. Choice B refers to blood pressure. Bronchi are the branching airways inside the lungs, while inhalation refers to the process of breathing in.

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What types of reaction is Cu (s) + 2AgNO3(aq) → 2Ag(s) + Cu(NO3)2(aq)?

More Questions on TEAS 7 Science

Q #1: Which of the following is true regarding adipocytes?

Answer Explanation

Q #2: What is most likely the pH of a solution containing many hydroxide ions (OH-) and few hydrogen ions(H+)

Answer Explanation

Q #3: Which of the below is the best definition for the term circulation?

Answer Explanation

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What types of reaction is Cu (s) + 2AgNO3(aq)&nbsp;&rarr;&nbsp;2Ag(s) + Cu(NO3)2(aq)?

More Questions on TEAS 7 Science

Q #1: Which of the following is true regarding adipocytes?

Answer Explanation

Q #2: What is most likely the pH of a solution containing many hydroxide ions (OH-) and few hydrogen ions(H+)

Answer Explanation

Q #3: Which of the below is the best definition for the term circulation?

Answer Explanation

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What types of reaction is Cu (s) + 2AgNO3(aq) → 2Ag(s) + Cu(NO3)2(aq)?