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My name is Ann [436]
2 years ago
10

A student makes a ball-and-stick model of a propane molecule, as shown below. The black balls represent carbon atoms, and the wh

ite balls represent hydrogen atoms.

Chemistry
1 answer:
dexar [7]2 years ago
5 0

Answer:

Explanation:

No sure I tried

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Name two device that are using spinning​
ikadub [295]
<h3><u>Two </u><u>device</u><u> </u><u>that </u><u>are </u><u>using</u><u> </u><u>spinning</u></h3>

→ <u>Takli</u>

  • Takli is a small support style spindle. Takli is a perfect tool for spinning cotton, and this are used too to spin fibers, cotton, cashmere, and silk etc. Takli is known as handspindle. And it is the simplest device for spinning.

→ <u>Charkha</u>

  • Charkha is a device for spinning thread or yarn from fibers etc. This are known as spinning wheel.

<h2>HAVE A NICE DAY!</h2>
7 0
3 years ago
7. Which of the following properties identifies a pure substance?
Monica [59]

Answer:

Soluble in water

Explanation:

5 0
3 years ago
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Fe + CuSO4 Cu + Fe2(SO4)3 is a balanced equation for the redox reaction true false
exis [7]

Answer:

False. The balance equation for the redox reaction is:

2Fe  + 3CuSO₄ → 3Cu + Fe₂(SO₄)₃

Explanation:

Let's think the half reactions:

Fe → Fe³⁺  +  3e⁻

The Fe increase the oxidation state. This is the oxidation, where Fe changes from 0 to +3

Cu²⁺  + 2e⁻ → Cu

This is the reduction. Cu changes from 2+ to 0

We multiply the half reaction x2 and x3 to balance the electrons

2Fe → 2Fe³⁺  +  6e⁻

3Cu²⁺  + 3e⁻ → 3Cu

And we sum both

2Fe  + 3Cu²⁺  + 6e⁻ → 3Cu + 2Fe³⁺  +  6e⁻

The electrons are cancelled, so the balance reaction is:

2Fe  + 3CuSO₄ → 3Cu + Fe₂(SO₄)₃

 

3 0
3 years ago
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At 35.0°C and 3.00 atm pressure, a gas has a volume of 1.40 L. What pressure does the gas have at 0.00°C and a volume of 0.950 L
Luba_88 [7]

The answer to your question is

A. P2=P1V1T2/T1V2

Trust me I am learning this stuff in class and I got everything memorized

I hope this helps

May I have brainliest I am working on my ranks! :)

7 0
3 years ago
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Most thermal conductor are? A.plastic B.glass C.rubber D. Metal
Alex17521 [72]
It is metal that is why you cook things mainly with metal pots
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3 years ago
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