CHEMISTRY HIGH SCHOOL

.During the combustion of methane (CH4), one mole of methane gas combines with two moles of oxygen gas (O2) to produce one mole of carbon dioxide gas (CO2) and two moles of water vapor. Which of the following chemical equations correctly represents the combustion of methane described above?

Answers

Answer 1
Answer:

Answer:

22.4 L methane reacts with 44.8L of oxygen to give 44.8L of CO

2 and 22.4 L of water

Explanation:

From the balanced reaction: One mole(or 1 molecule or 16 g) of CH

4

​

reacts with 2 moles (or 2 molecules or 64 g) of oxygen to give one mole (or 1 molecule or 44 g) of CO

2

​

and 2 mole (or 2 molecules or 36 g) of water.

For the gaseous system at STP:

22.4 L methane reacts with 44.8 L of oxygen to give 22.4 L of CO

2

​

and 44.8 L of water.

​

and 2 mole (or 2 molecules or 36 g) of water.

For the gaseous system at STP:

22.4 L methane reacts with 44.8 L of oxygen to give 22.4 L of CO

2

​

and 44.8 L of water.

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Compared to the energy and charge of the electrons in the first shell of a Be atom, the electrons in the second shell of this atom have

Answers

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Consider this equilibrium:CO2(g) + 2H2O(g) CH4(g) + 2O2(g).

What indicates that the reactants are favored?

Keq is zero.
Keq is very large.
Keq is slightly less than 1.
Keq is slightly greater than 1.

Answers

The equilibrium constant is a value which represents the equilibrium of a reaction. It is a reaction quotient when the reaction reached equilibrium. If Keq is greater than 1, the mixture contains mostly the products. On the other hand, if Keq is less than 1, the mixture contains the reactants. Therefore, the answer is the second option, Keq is very large.

What is the charge that results when fluorine becomes an ion?

Answers

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To form a solution, ________. A. substance must dissolve in another
B. a solid must dissolve in a liquid
C. the solvent must be water
D. a gas must dissolve in a liquid

Answers

To form a solution, a substance must dissolve in another. The correct answer will be A. 

Answer:

1.A

2.A

3.A

4.A

100% RIGHT

Explanation:

Which statement most accurately expresses themain idea of this passage?
(1) Information technology will make it easier to
buy and sell goods.
(2) Information technology will make capitalism
obsolete.
(3) Government must regulate the information
technology industry.
(4) The costs of information technology will
outweigh its benefits.

Answers

The statement that most accurately expresses the main idea of this passage is that the information technology will make it easier to buy and sell goods. Therefore, option 4 is correct.

What is an information technology ?

The use of computers to create, process, store, retrieve, and exchange various types of data and information is known as information technology. IT is a component of information and communication technology.

In its most basic form, the term IT (Information Technology) refers to any task that involves the use of a computer. IT refers to the use of technology in an organization to crunch data and solve business problems.

The statement that most accurately expresses the main idea of this passage is that the information technology will make it easier to buy and sell goods.

Thus, option 4 is correct.

To learn more about an information technology, follow the link;

brainly.com/question/14426682

#SPJ5

The statement that most accurately expresses the main idea of this passage is that The costs of information technology will outweigh its benefits. The answer is number 4. The rest of the choice do not answer the question above.
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