Chemistry College

Does combining the glue and water create a physical or chemical change?

Answers

Answer 1

The combination of glue and water creates a physical change rather than a chemical change.

Physical and chemical changes

Physical changes are changes to the physical properties of materials and are usually reversible.

Chemical changes, on the other hand, are changes to the chemical properties of materials and are usually irreversible.

Mixing water with glue will only result in the glue being diluted with water and creates no chemical reaction. The glue can be recovered by distilling off the water.

Thus, mixing glues with water is only a physical change as the chemical properties of the glue remain intact.

More on physical and chemical changes can be found here: https://brainly.com/question/11321843

Related Questions

What is the term used to describe why urban areas are warmer than surrounding rural areas?

Question 2 options:

Downtown island effect


Rural cooling effect


Global warming effect


Urban heat island effect

Answers

Answer:

urban heat island

Explanation:

occurs when a city experiences much warmer temperatures than nearby rural areas.

Mark me brainliest.

A) Which statement best summarizes the way the sun produces energy? (1 point)

Combustion reactions in the sun release large amounts of chemical energy.

Fusion reactions in the sun release large amounts of chemical energy.

Combustion reactions in the sun convert small amounts of matter into large amounts of energy.

Fusion reactions in the sun convert small amounts of matter into large amounts of energy.

Answers

Answer:

1. The combined number of protons and neutrons remains constant.

2. There are two atoms with mass numbers of 2.

3. It is the number of protons plus neutrons.

4. A nucleus with a greater mass than any of the reactants will be produced.

5. Fusion reactions in the sun convert small amounts of matter into large amounts of energy.

Explanation: I couldn't see the comments so I guess some ppl can't either but here you go got them all correct! :)

Th sun produces energy through fusion reaction by converting small amount of matter into larger amounts of energy.

Nuclear fusion in the sun

The sun is able to produce energy because protons of hydrogen atoms present in the sun collide violently in the sun's core and fuse together leading to the formation helium atom.

This process of fussion is referred to as a PP (proton-proton) chain reaction, and it emits an enormous amount of energy

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Draw the Lewis structure for sulfur tetrafluoride, SF4

Answers

Notes:-

S has Z=16

Electronic configuration

1s²2s²2p⁶3s²3p⁴

So

Valency is 4 and 6

Three fluorine atoms take 3 electrons and one lone pair present over S As one electron remains unshared so we use + sign .

What is the balanced equation for the redox reaction between zinc and hydrochloric acid (HCl) that forms zinc(II) ions and hydrogen gas? A. 2Zn + HCl + H+ Zn2Cl + H2 B. Zn + 2H+ 2Zn2+ + H2 C. 2Zn + 2H+ 2Zn2+ + H2 + 2e- D. Zn + 2H+ 2Zn2+ + H2 + 2e-

Answers

The balanced equation for the redox reaction between zinc and hydrochloric acid (HCl) that forms zinc(II) ions and hydrogen gas is as follows:

Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g)

What is a redox reaction?

A redox reaction is a type of chemical reaction in which some of the atoms have their oxidation number changed.

According to this question, the redox reaction between zinc and hydrochloric acid (HCl) forms zinc(II) ions and hydrogen gas. The balanced equation is as follows:

Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g)

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This figure shows the dimensions of a right triangular prism.

Right prism with triangular base. Height of triangle labeled 2 m and base labeled 3 m. Height of prism labeled 8 m.

What is the volume of the right triangular prism in cubic meters?

144 m3


16 m3


24 m3


48 m3

Answers

Answer:

ik that its not 48 because i answerd 48 and i got it wrong and im pretty sure its also not 144

Explanation:

From the calculations and the data given, the volume of the triangular prism is 24 m3.

What is a traingular prism?

The trangular prism is a prismatic figure that has a trianguar base. We know that the formula for the volume of a triangular prism is;

V = 1/2 a c h

Now;

a =  2 m

b =  3 m

h =  8 m

V = 1/2 * 2 m *  3 m * 8 m

= 24 m3

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