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Lisa [10]
3 years ago
15

Help me please ❤❤❤

Chemistry
1 answer:
musickatia [10]3 years ago
7 0

Answ burh i dont even know

Explanation: i dont even know this

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In the balanced redox reaction: 2 cu(s) + s(s) ? cu2s(s), how many electrons are gained or lost by each sulfur atom?
MrRa [10]
2Cu + S = Cu₂S

S⁰ + 2e⁻ = S⁻²
Cu⁰ - 1e⁻ = Cu⁺¹

A sulfur atom gains two electrons.
8 0
3 years ago
Which of the following describes a perpetual-motion machine?
makkiz [27]

Answer:

a motor that requires no energy input once it is running

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Most reactions speed up when
miss Akunina [59]
For a reaction to occur, there should be mobility of ions in reactant side.
If the reactant is larger, its mobility will be lesser than that of smaller ones.
So reactants smaller in size have higher mobility which makes reaction faster.

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7 0
3 years ago
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Convert the condensed structures to line angle formulas: 1. CH3CH2CH(CH3)CH2CH3 8. CH:COCH 9. CH3CH2OCH3 2. CH3CH2CH(CH2CH3)CH(C
kumpel [21]

Answer:

Attached in the photo.

Explanation:

Hello,

The answers in the attached photo. Just three things:

- In the second point a parenthesis is missing to properly understand the molecule (after the oxygen), nevertheless, I assumed it was an ether.

- In the sixth point, there's a missing hydrogen for it to be an ether as well.

- In the tenth point the second parenthesis is not clear, it seems there's a missing subscript, nevertheless I draw it assuming complete octates.

Best regards.

3 0
3 years ago
What is the primary pigment found in the chlotopast​
Lady_Fox [76]

Answer: Chlorophyll is a green photosynthetic pigment found in plants, algae, and cyanobacteria.

Chlorophyll absorbs mostly in the blue and to a lesser extent red portions of the electromagnetic spectrum, hence its intense green color.

Green substance in producers that traps light energy from the sun, which is then used to combine carbon dioxide and water into sugars in the process of photosynthesis Chlorophyll is vital for photosynthesis, which helps plants get energy from light.

Chlorophyll molecules are specifically arranged in and around pigment protein complexes called photosystems, which are embedded in the thylakoid membranes of chloroplasts.

Request: It would really help if you could make me brainliest

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