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OlgaM077 [116]
3 years ago
12

What does this picture represent?

Chemistry
1 answer:
melomori [17]3 years ago
5 0

Answer:

The answer is D.) Beaker.  Hope this helps! :)

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What measures are used to calculate the percent by volume of a solution?
Yuliya22 [10]
Titration is the method used.
4 0
3 years ago
What is an element that has more valence electrons than fluorine and less energy levels than sodium?
Radda [10]
From the periodic chart the only element between F and Na is Neon. Neon has one more valence electron 8 than fluorine 7, and is one energy level shy of Na.<span>
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5 0
3 years ago
Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction?
Phoenix [80]

Answer: Option (B) is the correct answer.

Explanation:

It is known that for writing a chemical reaction equation, reactants are written on left hand side whereas products are written on right hand side.

And in between reactants and products a forward arrow is placed pointing towards the products.

Therefore, the reaction for carbon burns in the presence of oxygen to give carbon dioxide will be written as follows.

          Carbon + Oxygen \rightarrow Carbon dioxide

Here, carbon and oxygen atoms are the reactants whereas carbon dioxide is the product.

6 0
3 years ago
Do anyone know the answer?
siniylev [52]

Answer:

C2H4 + 3O2 --> 2CO2 + 2H2O

Explanation:

For an equation to be balanced, it must have an equal number of atoms on each side. C2H4 + 3O2 --> 2CO2 + 2H2O is the only equation out of these four the fulfills this requirement.

5 0
4 years ago
Cu<br> Br<br> what is the percent composition?
sweet [91]

Answer:

This is the answer of your question. ☺☺

Explanation:

Percentage composition of Cu is 71.54.

Percentage Composition of Br is 29.54.

3 0
3 years ago
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