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3 years ago

Which of these describes Busan?

Chemistry

2 answers:

Ilya [14]3 years ago

5 0

The answer for this question is B.

iren [92.7K]3 years ago

4 0

The correct answer is C. The largest port city in South Korea located on the southern tip of the Korean Peninsula

Explanation:

Busan is an important city in South Korea, which is an Asiatic country located in the east of the continent. This city is the most important in the country after Seoul, which is the capital city. Moreover, this city is relevant because it acts as one of the most important ports in South Korea, which makes this city an important trade center. Besides this, in terms of geographical location, Busan is located in the south of the Korean Peninsula that includes both South Korea and North Korea. Thus, the statement that describes Busan is "The largest port city in South Korea located on the southern tip of the Korean Peninsula".

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(a) A gas fills completely the

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Answer:

a)The force of attraction between particles of gas is negligible. Because of this, particles of gas move in all directions. Thus, a gas fills the vessel completely in which it is kept.

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3 years ago

What happens to polyester slacks if aqueous naoh is spilled on them? What happens to polyester slacks if aqueous is spilled on t

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3 years ago

For each trial, compute the mol of titrant; (molarity x L) and keep the number of significant figures to 4.

MrMuchimi

Answer:

Trial Number of moles

1 0.001249mol

2 0.001232mol

3 0.001187 mol

Explanation:

To calculate the number of moles of tritant you need its molarity.

Since the molarity is not reported, I will use 0.1000M (four significant figures), which is used in other similar problems.

Molarity is the concentration of the solution in number of moles of solute per liter of solution.

In this case the solute is NaOH.

The formula is:

$Molarity=\dfrac{\text{Number of moles of solute}}{\text{Volume of solution in liters}}$

Solve for the number of moles:

$\text{Number of moles}=Molarity\times Volume\text{ }in\text{ }liters$

Then, using the molarity of 0.1000M and the volumes for each trial you can calculate the number of moles of tritant.

Trial mL liters Number of moles

1 12.49 0.01249 0.01249liters × 0.1000M = 0.001249mol

2 12.32 0.01232 0.01232liters × 0.1000M = 0.001232mol

3 11.87 0.01187 0.01187liters × 0.1000M = 0.001187 mol

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