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Naily [24]
2 years ago
5

Nuehhdhdhdhdje hwhwje

Chemistry
2 answers:
Komok [63]2 years ago
4 0

Answer:

What is the question?

Explanation:

Natasha2012 [34]2 years ago
3 0

Answer:

:p

Explanation:

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According to Le Chatelier's principle, increasing the pressure of the system shown below will shift equilibrium to the left (tow
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Le Chatelier's principle states that when a change is brought to a system in equilibrium, the equilibrium will shift in a manner to reverse that change.

If the pressure is increased, the system will try to reduce the pressure. The only way it can do this is by producing less gas. Therefore, shifting the equilibrium to the left. Thus, the statement is true.
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Select the correct answer. Thomas has 235 grams of K2S in the chemistry lab. How many atoms of potassium (K) are in 235 grams of
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Atoms are the smallest division of the element. The potassium atoms present in the 235 gm of the compound is 2.57 \times 10^{24} atoms.

<h3>What is the number of atoms?</h3>

Given,

  • Mass (m) of Potassium sulfide (\rm K_{2}S) = 235 gm
  • Molar mass (M) of  Potassium sulfide = 110.26 g/mol

Calculate the number of moles as:

\begin{aligned}\rm Moles (n) &= \dfrac{\rm mass}{\rm molar\;\rm mass}\\\\&= \dfrac{235}{110.26}\\\\&=2.13\;\rm mol\end{aligned}

In the given compound \rm K_{2}S, there are two atoms of potassium and one atom of sulphur.

If, 1 mole = 2 \times 6.022 \times 10^{23} atoms of potassium

Then, 2.13 moles = X atoms

Solving for X:

2.13 \times 2 \times 6.022 \times 10^{23} = 2.57 \times 10^{24}

Therefore, option c. 2.57 \times 10^{24} is correct.

Learn more about atoms here:

brainly.com/question/11411852

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Answer:

1,000 -  2,000

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Just look at the bar graph. The bar ends at about 1,500 which is between 1,000 - 2,000. That is the only valid answer for this problem.

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