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Llana [10]
3 years ago
7

Which device involves the use of plasma in technology?

Chemistry
1 answer:
german3 years ago
3 0

Answer: The answer is an Arc Welder.

Explanation:

The Arc Welding process uses plasma to transfer an electric arc to a work piece.

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Methane and oxygen react to form carbon dioxide and water. what mass of water is formed if 3.2 g of methane react with 12.8 g of
inn [45]
<span>7.2 g of water.
       
This is a simple matter of adding up the masses of the initial reactants and determining the mass of the results. You started with 3.2 g of methane and 12.8 g of oxygen. So the total mass you start with is 3.2 + 12.8 = 16.0 grams. The reaction results in water and carbon dioxide. The mass of the carbon dioxide is 8.8 g, so the mass of the water will be 16.0 - 8.8 = 7.2 g.</span>
8 0
3 years ago
Water is unique because the density of its solid, ice,is less than the density of its liquid.How would life be is this is differ
algol13
An object floats if it has low density or has less mass per unit volume. So, Icefloats on water because ICE is lessdenser than WATER. Most of the substances are more dense in their solid state, but water is different. This peculiarity is on account of the structure of ice.




I really hope this helped!!!! ❤
8 0
4 years ago
What would be the answer
ser-zykov [4K]

Answer:

4

Explanation:

The balanced equation for the reaction is as follows:

4Al + 3O2 --> 2(Al2O3)

4 0
4 years ago
Write the reaction equation and equilibrium equation for dopamine
elena-s [515]

Answer:

The see explanation

Explanation:

In this case, we have an <u>"amine"</u> group in the dopamine structure. So, the dopamine will act as a <u>"base"</u>. A base is a substance that has the ability to <u>accept hydrogens</u>, therefore, the NH_2 will take hydrogen from the water molecule. Additionally, the water will produce the OH^- ion and the NH_2 will be converted into NH^+_3.

See figure 1

I hope it helps!

6 0
3 years ago
To reflect about a problem means to ask yourself about any possible ‘what ifs.’ Please select the best answer from the choices p
Naily [24]
The answer is true true true
4 0
3 years ago
Read 2 more answers
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