Which statement describes one acid-base theory?(1) An acid is an H+ acceptor, and a base is an H+ donor.

(2) An acid is an H+ donor,. and a base is an H+ acceptor.

(3) An acid is an H- acceptor, and a base is an H-donor.

(4) An acid is an H- donor, and a base is an H acceptor.

Answers

Answer 1

Answer: The answer is an acid is an H+ donor and a base is a H+ acceptor. This is in accordance to the Lewis definition of acids, which states that an acid is any substance that is able to release H+ ions in a solution or one that is able to accept a pair of nonbonding electrons. Another example of an acid-base theory is the Bronsted-Lowry theory of acids and bases.

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Aqueous solution of copper sulphate is acidic . Why?

Answers

Answer:

Explanation:

Aqueous solution of copper sulphate

is acidic in nature, as when copper sulphate on dissolving with water, following chemical reaction takes place :

CuSO4 + 2 H2O ====> Cu(OH)2 + H2 SO4

As we can see, copper hydroxide and sulphuric acid is generated in this chemical reaction.Copper hydroxide is a weak base whereas sulphuric acid is a very strong acid which results into increase in acidity of the solution.

Thus, the aqueous solution of copper sulphate is acidic in nature.

A sample of co2 solid and co2 gas differ in their

Answers

CO2(s) is a solid.

CO2(g) means it is gas.

So they differ in their physical properties.

Physical propertiers means that they differ in their look.

When a warm air mass is caught between two cooler air masses and the thicker cold air masses move underneath the thinner warm air mass and push it upward is what type of weather front?

Answers

An occluded front forms when a warm air mass is caught between two cooler air masses. The warm air mass is cut ofl or occluded' from the ground. The occluded warm front may cause clouds and precipitation. A swirling center of low air pressure is called a cyclone.

When a warm air mass is caught between two cooler air masses and the thicker cold air masses move underneath the thinner warm air mass and push it upward. Occluded front symbol – The directions that the bumps face is the direction the front is moving.

Which geologic era lasted the longest?A) The Cenozoic
B) The Mesozoic
C) The Paleozoic
D) The Precambrian

Answers

Your answer is going to be d.

Melted candle wax has no fixed shape, but it does have a fixed volume. So, melted candle wax is a A.Liquid
B.Gas
C.Mixture
D.Solid

Plz answer fast

This is for science so I just put chemistry

Answers

It is a liquid because when you have a liquid, there is no definite shape. Therefore, this would be the answer because it takes the shape of its container.

Final answer: a. Liquid

the answer is A.Liquid

How adding tin to copper makes the bronze alloy harder?