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 NOT provided as a result of the valid research and observations recorded by scientists?

A. A better understanding of the physical world

B. The ability to predict possible outcomes affected by actions

C. The ability to prevent earthquakes and other natural disasters

D. The creation of various substances and technologies that enhance our world

Answer Explanation

Scientists make observations, gather data, and complete research over many years in order to compile knowledge that will provide insight into future disasters, such as earthquakes, storms, and global warming. Although science can be used to predict earthquakes and other natural disasters, there is currently no way of preventing them from occurring.
Q #2: Which of the following are formed when the plasma membrane surrounds a particle outside of the cell?

A. Golgi bodies

B. Rough endoplasmic reticulum

C. Secretory vesicles

D. Endocytic vesicles

Answer Explanation

Endocytosis is a process by which cells absorb larger molecules or even tiny organisms, such as bacteria, that would not be able to pass through the plasma membrane. Endocytic vesicles containing molecules from the extracellular environment often undergo further processing once they enter the cell.
Q #3: Where is the scapula in relation to the olecranon?

A. Distal

B. Lateral

C. Ventral

D. Superior

Answer Explanation

The scapula, commonly known as the shoulder blade, is above the olecranon, commonly known as the elbow. Conversely, the olecranon is distal or inferior to the scapula.

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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 NOT provided as a result of the valid research and observations recorded by scientists?

Answer Explanation

Q #2: Which of the following are formed when the plasma membrane surrounds a particle outside of the cell?

Answer Explanation

Q #3: Where is the scapula in relation to the olecranon?

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 NOT provided as a result of the valid research and observations recorded by scientists?

Answer Explanation

Q #2: Which of the following are formed when the plasma membrane surrounds a particle outside of the cell?

Answer Explanation

Q #3: Where is the scapula in relation to the olecranon?

Answer Explanation

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