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coldgirl [10]
2 years ago
14

An element cannot be broken down into other substances by chemical or physical means. But you can still split a sample of an ele

ment into smaller pieces. For example, a piece of aluminum foil can be cut in half and then in half again, and all of the pieces will still be aluminum.
What do you think will eventually happen if you could continue dividing that piece of aluminum foil?


HELPPPP MEEEEEE PLZZZZZZZ!!!

I'M CRYING!
Chemistry
2 answers:
Art [367]2 years ago
5 0

Answer:

Tearing aluminum is a physical change because when u rip the paper the composition is still the same because you can always get that same piece of foil back. For example if you burn that piece of paper it will become a new substance which means you cannot get that same piece back so it would become a chemical change.

irinina [24]2 years ago
5 0

Answer:

You will reach the smallest possible piece of the aluminum.

Explanation:

You will not be able to physically separate the aluminum into two smaller elements; aluminum is already a pure elemental substance. It will not divide forever, at some point it will be as small as you can possibly make it. However, you won't be able to erase the matter completely -- it will just become very very small!

Hope this helps. brainliest plz?

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Norma-Jean [14]
A is the answer and since I’m here you may as well give brainliest bc it gives you points
4 0
2 years ago
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Answer:

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4 0
3 years ago
How many electron pairs exist in single bonds double bonds and triple bonds?
Harrizon [31]
Single bond: 1 pair of electrons
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Triple bond: 3 pairs of electrons
3 0
3 years ago
A _____ activation energy is required to break the double bonds of unsaturated hydrocarbons. high extreme large low
irina1246 [14]

A large activation energy is required to break the double bonds of unsaturated hydrocarbons.

<h3>What are Unsaturated hydrocarbons ?</h3>

Unsaturated hydrocarbons are defined as the hydrocarbons in which double or triple bonds are present between two adjacent carbon atoms. They are known as alkenes and alkynes respectively. The general formula for these hydrocarbons is CnH2n and CnH2n-2

  • In unsaturated hydrocarbons, more number of bonds are formed, thus the bond strength of the bonds formed will be more because the orbitals come closer to each other.
  • As, bond strength of unsaturated hydrocarbons are more. So, more energy will be required to break the bond between them.

Learn more about Unsaturated hydrocarbons here:

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8 0
2 years ago
How much energy is needed to raise the temperature of a 200 g piece of lead by 250 o C?
devlian [24]

<u>Answer:</u> The amount of energy required to raise the given amount of temperature is 6400 J

<u>Explanation:</u>

To calculate the heat absorbed by the lead, we use the equation:

q=mc\Delta T

where,

q = heat absorbed

m = mass of lead = 200 g

c = heat capacity of lead = 0.128 J/g°C

\Delta T = change in temperature = 250°C

Putting values in above equation, we get:

q=200g\times 0.128J/g^oC\times 250^oC=6400J

Hence, the amount of energy required to raise the given amount of temperature is 6400 J

4 0
3 years ago
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