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Marianna [84]
3 years ago
11

I need help on science lol

Chemistry
2 answers:
jeyben [28]3 years ago
8 0

Answer: C

Explanation: i think i looked at my notes from 3 months ago when i did this i think C is the best choice let me know after ypu take the test

lara [203]3 years ago
6 0

Answer:

chicken and macaroni

Explanation:

cus

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4 years ago
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What is the reduction half-reaction for the equation below?
Katen [24]

Answer:

MnO_4^-+8H^++5e^-\rightarrow Mn^{2+}+4H_2O

Explanation:

Hello there!

In this case, since redox reactions are characterized by the presence of a reduction reaction, whereby the oxidation of the element decreases, and an oxidation reaction whereby the oxidation of the element increases.

In such a way, for the given chemical equation, we can see Fe is increasing its oxidation state from 2+ to 3+, which means it is oxidized. On the flip side, Mn is being reduced from 7+ (MnO₄⁻) to 2+ and this, the reduction half-reaction is:

MnO_4^-+8H^++5e^-\rightarrow Mn^{2+}+4H_2O

Whereas five electrons are carried.

Regards!

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3 years ago
Methane (CH4) burns in oxygen to produce carbon dioxide and water. Which reaction is occurring here?
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6 0
4 years ago
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1. In a solution, the substance that is being dissolved is the
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8 0
4 years ago
Determine the identity of X in the following alpha decay equation (please help)
ICE Princess25 [194]

Answer:

At-207 (meaning At with the number on the top left being 207 and the number at the bottom left being 85.

Explanation:

The sum of the mass numbers has to equal on both sides, so we need 211 = 4+a

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b=85

The element is determined by the mass number.

8 0
3 years ago
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