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Allisa [31]
2 years ago
11

Read, now please rail me jkjkjk.................Unless

Chemistry
2 answers:
Ludmilka [50]2 years ago
8 0

Answer:

no... can some 1 answer my last two questions they are the same so you get 20 pts !!!!!!!

Explanation:

algol132 years ago
7 0

I- I'm a minor

but ummm jfuibhiuhdcuihshuihih

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How are physical and<br>chemical changes different?​
astra-53 [7]
Physical changes happen when you do/mix something that can be reversed. Best example is ripping a paper, you can just tape it back together so it is just an observable thing that changes, which is a physical change. Chemical changes happen when you mix things and they make a new substance and can’t be reversed. The best example of this is the Statue of Liberty, which changed in color due to the chemical change between the oxygen and copper, which created a new substance (rust) which made it green instead of copper.
Sorry for the long answer but hope this helps!
5 0
3 years ago
Which of the following statements about tornadoes is false?
loris [4]
The answer is A because the time wouldn't affect the weather that much depending on the circumstances.
4 0
2 years ago
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A pet owner dropped some new fish into a pond. Several species of fish lived in the pond, but within a few months, only members
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Answer: the correct answer is : too many fish caused an imbalance in the ecosystem, so the food web was affected.

Explanation:

8 0
3 years ago
What are the names of major groups that settled in the islands of Oceania
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Answer:c

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3 years ago
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Which of the following chemical formulas show three molecules of a compound that has one
mr_godi [17]

The chemical formula : 3HgBr₂(Mercury(II) bromide)

<h3>Further explanation</h3>

Given

The chemical formulas of Mercury and Bromine

Required

The appropriate chemical formula

Solution

A molecular formula is a formula that shows the number of atomic elements that make up a compound.  

The number of molecules is determined by the coefficient in front of the compound

the number of atoms is determined by the subscript after the atom and the coefficient

Three molecules⇒ coefficient = 3

one atom of Mercury ⇒Hg

two atoms of Bromine ⇒ Br₂

The chemical formula : 3HgBr₂

6 0
2 years ago
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