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Question 1

A)Why is water considered the universal solvent?(1 point)
Responses

Water is a polar compound because its ends have opposite charges.
Water is a polar compound because its ends have opposite charges.

Water dissolves more substances than any other solvent.
Water dissolves more substances than any other solvent.

Water molecules are weakly bonded to other water molecules.
Water molecules are weakly bonded to other water molecules.

Water molecules are held together by covalent bonds.
Water molecules are held together by covalent bonds.
Question 2
A)Which phrase best defines a covalent bond?(1 point)
Responses

strong polar attraction
strong polar attraction

electrons transferred between atoms
electrons transferred between atoms

electrons shared between atoms
electrons shared between atoms

weak polar attraction
weak polar attraction
Question 3
A)Which description accurately represents a water molecule?(1 point)
Responses

slightly negative oxygen pole, slightly positive hydrogen poles
slightly negative oxygen pole, slightly positive hydrogen poles

slightly negative hydrogen poles, slightly positive oxygen pole
slightly negative hydrogen poles, slightly positive oxygen pole

strongly negative oxygen pole, strongly positive hydrogen poles
strongly negative oxygen pole, strongly positive hydrogen poles

strongly negative hydrogen poles, strongly positive oxygen pole
strongly negative hydrogen poles, strongly positive oxygen pole
Question 4
A)Why is water able to easily dissolve ionic compounds?(1 point)
Responses

The poles of water molecules share electrons with the ions in ionic compounds.
The poles of water molecules share electrons with the ions in ionic compounds.

The bonds between water molecules are easily broken by the strong ions of ionic compounds.
The bonds between water molecules are easily broken by the strong ions of ionic compounds.

The electron transfer in ionic compounds results in ions that are attracted to water’s poles.
The electron transfer in ionic compounds results in ions that are attracted to water’s poles.

The opposite charges of ionic compounds repel each other, so water molecules can separate the ions.
The opposite charges of ionic compounds repel each other, so water molecules can separate the ions.
Question 5
A)Potassium chromate (K2CrO4) is sometimes used with other compounds to check for the presence of silver. Which of these formulas is correct for a silver-containing precipitate in such a reaction?(1 point)
Responses

AgCrO4
cap A g cap c r cap o sub 4

AgCl
AgCl

AgNO3
cap A g cap n cap o sub 3

Ag2CrO4

1 answer

Here are the answers to the questions based on your provided information:

Question 1
A) Why is water considered the universal solvent? (1 point)
Response: Water dissolves more substances than any other solvent.

Question 2
A) Which phrase best defines a covalent bond? (1 point)
Response: electrons shared between atoms

Question 3
A) Which description accurately represents a water molecule? (1 point)
Response: slightly negative oxygen pole, slightly positive hydrogen poles

Question 4
A) Why is water able to easily dissolve ionic compounds? (1 point)
Response: The electron transfer in ionic compounds results in ions that are attracted to water’s poles.

Question 5
A) Potassium chromate (K2CrO4) is sometimes used with other compounds to check for the presence of silver. Which of these formulas is correct for a silver-containing precipitate in such a reaction? (1 point)
Response: Ag2CrO4

Feel free to ask if you need further clarification or additional assistance!