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ioda
3 years ago
8

Which statement describes how chemical formulas, such as H2O, represent compounds

Chemistry
2 answers:
grandymaker [24]3 years ago
5 0

Answer:

Which statements describe how chemical formulas, such as H2O, represent compounds? ... They show the elements that make up a compound. They show the types of atoms that make up a molecule. They show the number of each type of atom in a molecule.

lions [1.4K]3 years ago
5 0

Answer: B

Explanation:

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The phrase "Most ecosystems are solar powered" refers to the fact that most organisms seek sunlight. solar energy is converted t
Savatey [412]

Answer:

The solar energy is converted to chemical energy by the process of photosynthesis - This is the true statement of the given question.

Explanation:

An ecosystem usually refers to the biological community comprising all the types of living species that are continuously interacting with the surrounding environment. Most of these ecosystems are solar-powered, and by this phrase, it means that there occurs the transformation of energy from solar to chemical energy which is taking place due to the process of photosynthesis. Both the terrestrial and the aquatic, are able to carry out this process in the presence of sunlight, water, and CO₂, and in return, it liberates food and oxygen into the ecosystem.

Thus, this statement satisfies the given phrase.

All other options are false as it does not justify the phrase.

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3 years ago
Why does water dissolve sugar ? Explain your answer !
Marina CMI [18]
The sugar is a solvent. It's particles will break it down in the water
7 0
3 years ago
Please help ASAP PLEASE
Delicious77 [7]
Number one may be electrons, protons, and neutrons.
number two may be protons and neutrons.
7 0
3 years ago
Mixture of same boiling point cannot be separated by using distillation why?<br>​
Bond [772]

Answer:

both the substances will evaporate

Explanation:

3 0
3 years ago
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Pls help! 2CO + O2 → 2CO2
jok3333 [9.3K]

The bond energy of each carbon-oxygen bond in carbon dioxide is d. 736 kJ

Since the chemical reaction is 2CO + O₂ → 2CO₂ and the total bond energy of the products carbon dioxide CO₂ is 1,472 kJ.

Since from the chemical reaction, we have 2 moles of CO₂ which gives 1,472 kJ and there are two carbon-oxygen, C-O bonds in CO₂, then

2 × C-O bond = 1,472 kJ

1 C-O bond = 1.472 kJ/2

C-O bond = 736 kJ

So, the bond energy of each carbon-oxygen bond in carbon dioxide is d. 736 kJ

Learn more about bond energy here:

brainly.com/question/21670527

7 0
3 years ago
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