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andre [41]
3 years ago
15

According to Le Chatelier's principle, increasing the pressure of the system shown below will shift equilibrium to the left (tow

ards reactants).2Na (s) + 2H2O (l) Imported Asset H2 (g) + 2NaOH (aq)
TRUE

FALSE
Chemistry
1 answer:
Lina20 [59]3 years ago
8 0
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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I NEED HELP PLEASE, THANKS! :)
marin [14]

Answer:

\large \boxed{1.447 \times 10^{23}\text{ molecules Cu(OH)}_{2 }}

Explanation:

1. Calculate the moles of copper(II) hydroxide

\text{Moles of Cu(OH)}_{2} = \text{23.45 g Cu(OH)}_{2} \times \dfrac{\text{1 mol Cu(OH)}_{2}}{\text{97.562 g Cu(OH)}_{2}} = \\\\\text{0.240 36 mol Cu(OH)}_{2}

2. Calculate the molecules of copper(II) hydroxide

\text{No. of molecules} = \text{0.240 36 mol Cu(OH)}_{2} \times \dfrac{6.022 \times 10^{23}\text{ molecules Cu(OH)}_{2}}{\text{1 mol Cu(OH)}_{2}}\\\\= 1.447 \times 10^{23}\text{ molecules Cu(OH)}_{2}\\\text{The sample contains $\large \boxed{\mathbf{1.447 \times 10^{23}}\textbf{ molecules Cu(OH)}_{\mathbf{2}}}$}

6 0
3 years ago
Which statement about states of matter is correct? (1 point)
belka [17]

Answer:

C

Explanation:

If you add enough heat to a solid it eventually becomes a liquid

4 0
3 years ago
For each reaction below, use the drop-down menus to select which compound will form a precipitate. Note: It is possible that no
Dimas [21]

Answer:

1. Cadmium sulfide

2. Iron (III) hrydroxide

3. Barium carbonate

8 0
2 years ago
Moseley discovered that elements with similar properties occurred at regular intervals when the elements were arranged in order
ziro4ka [17]

<u>Moseley</u> discovered that <u>elements</u> with similar properties occurred at <u>regular intervals</u> when the elements were arranged in order of increasing

<u>"</u><u> </u><u>Atomic number </u><u>"</u>

4 0
3 years ago
If you mix 4.5 g of hcl in enough water to make 0.9 l (900 ml of solution, what is the molarity of the solution?
Elina [12.6K]
We first need to convert grams of hydrogen chloride to moles.

molarity = moles of solute/liters of solution

To convert from grams to moles, we need to divide by it's molecular mass.

4.5 g HCl * (1 mole HCl/ 36.46 g HCl) = 0.123 moles HCl

0.12 moles/0.9 L = 0.13 M HCl

If they gave you the volume as 900 mL, then that would be 3 sig figs. And the sig figs would be limited to 2 because the mass.If, however, they gave you the volume as 0.9 L, then that would be 1 sig fig. And the final answer would be limited to to 1 sig fig.
4 0
3 years ago
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