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3 years ago

Is copper sulphate dissolving in water a chemical change or physical change and why?

1 answer:

8 0

Because copper sulphate is not an ionic substance, no bonds are changed when it is dissolved. Thus it has to be a physical change

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Water is a pure substance. Which of the following is true about water? (4 points) Its compounds can only be physically separated

jonny [76]

Answer:

Water/H20 is a compound made of hydrogen and oxygen. Although water is the most abundant substance on earth, it is rarely found naturally in its pure form. Most of the time, pure water has to be created. Pure water is called distilled water or deionized water.

Explanation:

7 0

3 years ago

How are solutions related to mixtures?

Ilia_Sergeevich [38]

In chemistry, a solution is a homogeneous mixture composed of two or more substances. In such a mixture, a solute is a substance dissolved in another substance, known as a solvent.

3 0

3 years ago

How to answer all these questions?

Fudgin [204]

You have to do it to see the results

8 0

3 years ago

For below checmical equation (which may or may not be balanced), list the number of each type of atom on each side of the equati

Olegator [25]

Answer:

Left hand side:-

Carbon - 12

HYdrogen - 28

Oxygen - 38

Right hand side:-

Carbon - 12

Hydrogen - 28

Oxygen - 38

Since, the number of atoms each side are equal, the reaction is balanced.

Explanation:

The given reaction is:-

$2C_6H_{14}_{(l)}+19O_2_{(g)}\rightarrow 12CO_2_{(g)}+14H_2O_{(g)}$

Left hand side:-

Carbon - 12

HYdrogen - 28

Oxygen - 38

Right hand side:-

Carbon - 12

Hydrogen - 28

Oxygen - 38

<u>Since, the number of atoms each side are equal, the reaction is balanced.</u>

5 0

3 years ago

Please help ASAP I’ll make you u as brainlister please 100 points pelaseee

inessss [21]

Answer:

Explanation:

6 0

3 years ago

Read 2 more answers