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Norma-Jean [14]
3 years ago
5

which is a chemical change, water boiling, wood burning,glass breaking, ice melting, or molding iron ?

Chemistry
2 answers:
aalyn [17]3 years ago
6 0
I believe it would be wood burning because you would not be able to reverse that process.
barxatty [35]3 years ago
4 0
The answer would be water boiling because the steam is rising creating water vapor.
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4 years ago
Lewis structure for 2O2
Mrrafil [7]

the big number describes the number ratio in a chemical equation

so for example,

2H2 + O2 --> 2H2O means

2 moles of hydrogen reacts with one mole of oxygen to form 2 moles of water

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6 0
3 years ago
Read 2 more answers
Which of the following observations is usually not evidence of a chemical change ?
Nookie1986 [14]

Answer:

D

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4 years ago
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8 0
3 years ago
Silicon reacts with carbon dioxide to form silicon carbide sic and silicon dioxide
andrew-mc [135]

The question is incomplete, here is the complete question:

Silicon reacts with carbon dioxide to form silicon carbide and silicon dioxide. Write the balanced chemical equation.

<u>Answer:</u> The balanced chemical equation is written below.

<u>Explanation:</u>

Every balanced chemical equation follows law of conservation of mass.

A balanced chemical equation is defined as the equation in which total number of individual atoms on the reactant side is equal to the total number of individual atoms on product side.

The balanced chemical equation for the reaction of silicon and carbon dioxide follows:

2Si+CO_2\rightarrow SiC+SiO_2

By Stoichiometry of the reaction:

2 moles of silicon reacts with 1 mole of carbon dioxide gas to produce 1 mole of silicon carbide and 1 mole of silicon dioxide

Hence, the balanced chemical equation is written above.

5 0
3 years ago
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