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mart [117]
2 years ago
12

Which option identifies all the bonds broken during this chemical reaction?

Chemistry
2 answers:
Tresset [83]2 years ago
7 0

Answer:

the bond b/w oxygen and hydrogen atom

yaroslaw [1]2 years ago
5 0

Answer: A, the bonds between the two hydrogen atoms and between the two oxygen atoms.

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Answer choices:<br> A. Glass<br> B. Plastic <br> C. aluminum <br> D. Foam
Alona [7]

Answer:

I'm taking a guess here. Aluminum.

Explanation:

The best conductor of heat would be the material that melted the ice fast. A.K.A. the one with the least amount of minutes. Since aluminum has the least, it is the best conductor of heat

4 0
3 years ago
Read 2 more answers
The equation for one of the reactions in the process of turning iron ore into the metal is
Leona [35]

Answer:

2100g or 2.1kg

Explanation:

Based on the equation given,

One mole of Fe2O3 gives two moles of Fe

Molar mass for Fe2O3 is 160g/mol

Molar mass for two Fe is 112g/mol

Convert 3kg to gram

3×1000=3000grams

160g of Fe2O3-112 g of Fe

3000g of Fe2O3-xg of Fe

Xg=3000×112/160

Xg=2100g

To convert to kg

2100/1000=2.1kg

Mass of Fe is 2.1kg

7 0
3 years ago
A student carries out a chemical reaction that produces a brown powder. How should the student measure the amount of product for
adoni [48]
The mass of the solid product of the reaction is determined by weighing.
6 0
3 years ago
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What atoms make up a carboxyl group?
statuscvo [17]

Answer:

The answer to your question is below

Explanation:

Carboxyl group is the characteristic group of carboxylic acids.

It is composed by 1 atom of carbon, 2 atoms of oxygen and 1 atom of hydrogen.

Its structure is   - COOH

7 0
3 years ago
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Calculate the number of atoms of sodium in a 4.5-gram sample
allochka39001 [22]

Answer:

1.18×10²³ atoms.

Explanation:

From Avogadro's hypothesis, we understood that 1 mole of any substance contains 6.02×10²³ atoms.

From the above concept, 1 mole of sodium also contains 6.02×10²³ atoms.

1 mole of sodium = 23 g.

Thus,

23 g of sodium contains 6.02×10²³ atoms.

Therefore, 4.5 g of sodium will contain = (4.5 × 6.02×10²³)/23 = 1.18×10²³ atoms.

From the above calculation,

4.5 g of sodium contains 1.18×10²³ atoms.

7 0
3 years ago
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