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Marizza181 [45]
3 years ago
10

What kind of change is burning paper​

Chemistry
2 answers:
Karolina [17]3 years ago
3 0

Answer:

Burning paper is a chemical change where paper burns to form ash and also CO2

spin [16.1K]3 years ago
3 0

Answer:

Burning paper is a chemical change

Explanation:

As when a paper is burnt its physical properties and structure completely changes . And it converts into an ashes.

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What is the total amount of matter in an ecosystem doing? always changing always increasing always decreasing remaining the same
Ilya [14]

Answer:

Remaining the same

Explanation:

By the Lavoisier's principle the matter can't be created nor destroyed, but always transformed.

It means that in an ecosystem, the matter, and also the energy, is not increasing and not decreasing, the total amount remains the same, but in different forms.

5 0
3 years ago
How many moles of solute are present in 2 L of a 25M potassium nitrate (KNO3) solution?
Maksim231197 [3]
Mole= Molarity. Volume(L) = (25)(2)= 50 moles
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omeli [17]

Answer:

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2 years ago
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expeople1 [14]

"cg" is centigram, which is one-hundredth of a gram.

I will first convert from g to cg (multiply by 100), then from mL to L (multiply by 1000).

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What isapplied in case where the base is not a OH donator
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