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RUDIKE [14]
3 years ago
14

Hi:) anyone in 8th want a friend? snap:lilahbellefrost tiktok:b0ys_dr00l ​

Chemistry
1 answer:
ohaa [14]3 years ago
6 0

hey.................

You might be interested in
Why does CCl4 dissolve in iodine
nirvana33 [79]

Answer: They are both non polar molecules compounds although water is a polar molecule compound. There are no significant attractions.

8 0
3 years ago
Which of the following shows an accurate combustion reaction?
Jet001 [13]

Answer:

  • <em>Cu + O₂  → CuO₂</em>

Explanation:

A <em>combustion reaction</em> is the reaction with oxygen along with the release of energy in form of heat or light.

Organic compounds (like CH₄) undergo combustion forming water and CO₂.

The combustion reaction of CH₄ is:

  • CH₄ + 2O₂ → CO₂ + 2H₂O

Hence, the first equation from the choices is not showing the combustion reaction of CH₄.

Not only organic compounds can undergo combustion. Metals and no metals can undergo combustion, i.e. metals and no metals can react with oxygen releasing light or heat.

The reaction of copper and oxygen (second choice) is a combustion reaction:

  • <em>Cu + O₂ → CuO₂</em>

The formation of water (2H₂ + O₂ → 2H₂O) is other example of a combustion reaction where no organic compounds are involved.

On the other hand, the other two equations from the choice list are not reactions with oxygen, so they do not show combustion reactions.

5 0
4 years ago
What is the shape around each carbon atom in ethylene, H C CH ? The represents a double bond.
Nina [5.8K]

Answer:

I'm not 100% sure,but I think its trigonal pyramidal

4 0
3 years ago
Acetylene gas is often used in welding torches because of the very high heat produced when it reacts with oxygen gas, producing
UkoKoshka [18]

<u>Answer:</u> 1.2 moles of carbon dioxide is produced for the given value of oxygen.

<u>Explanation:</u>

The chemical reaction for the combustion of acetylene follows the equation:

2C_2H_2+5O_2\rightarrow 4CO_2+2H_2O

By stoichiometry of the reaction:

5 moles of oxygen produces 4 moles of carbon dioxide.

So, 1.5 moles of oxygen will produce = \frac{4}{5}\times 1.5=1.2mol of carbon dioxide.

Hence, 1.2 moles of carbon dioxide is produced for the given value of oxygen.

4 0
4 years ago
What is Group 18 on the Periodic Table called?
oksano4ka [1.4K]

Answer:

C

Explanation:

Noble gas or inert gas

4 0
3 years ago
Read 2 more answers
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