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ira [324]
3 years ago
5

Please help ill mark brainliest ​

Chemistry
1 answer:
daser333 [38]3 years ago
7 0
It looks like the answer would be D
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damaskus [11]
A reducing agent is one which is oxidised in the reaction itself. When you take into account the oxidation numbers you will see that the Cl- ions are oxidised from an oxidation number of -1 to 0 in Cl2. Therefore Cl- ions are the reducing agent.
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3 years ago
Describe at least three ways our understanding of the atom has changed overtime?
myrzilka [38]

Answer:

multitide of uses (drinking, cleaning, cooking, transportation). Without water we would not survive. -Lead atoms bond together and they make up the lead that we use as a pencil. -Copper atoms, aluminum atoms, nickel atoms, etc., all make up metal which is used for a variety of things in everyday life.

Explanation:

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3 years ago
The law of conservation of matter states that matter cannot be created or destroyed. This law applies when a chemical change occ
lora16 [44]
It says it will never change. So whatever it was before the change, it will be the same after the change. So, 200 should be correct.
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