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2 years ago

Is water in a kettle boiling a chemical change

Chemistry

2 answers:

Andru [333]2 years ago

7 0

Yes it is a chemical change

Luden [163]2 years ago

6 0

When a kettle is boiling you are able to see the chemical reaction, from the stem leaving the kettle, so yes
Hope this helped : )

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What is an ionic bond

Pani-rosa [81]

Ionic bonding is the complete transfer of valence electron(s) between atoms. It is a type of chemical bond that generates two oppositely charged ions. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.

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2 years ago

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What is the Kb expression for aniline (C6H5NH2)?

Dimas [21]

This is what i got The KB expression for aniline c6h5nh2 is: For C6H5NH2 + H2O >< C6H5NH3+ <span>OH-Kb = 4.3 x (10 ^ -10) = [C6H5NH3+][OH-] / [C6H5NH2]

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3 years ago

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Any change that alters a substance without changing it into another substance.

Ber [7]

A physical change.

Physical change = can be reverted + doesn't change substance
Chemical = changes substance

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2 years ago

Increasing technology addiction among the youth write a letter to editor

ruslelena [56]

Answer:

these two would help you

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2 years ago

Select the correct answer. One night, an ice storm strikes your town. When you go outside in the morning, your entire front walk

Sever21 [200]

Sucrose will be the most effective. Hence, option D is correct.

<h3>What is sucrose?</h3>

Sucrose is simply the chemical name for sugar, the simple carbohydrate we know and love that is produced naturally in all plants, including fruits, vegetables and even nuts.

When salt or sugar (a solute) is combined with water or ice (a solvent) and is evenly distributed, the freezing point is lowered.

$(C_{12}H_{22}O_{11}$ → $C_{12}H_{22}O_{11})$

Hence, sucrose will be the most effective.

Learn more about sucrose here:

brainly.com/question/24214907

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