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marissa [1.9K]
3 years ago
7

Which of the following is soluble in water?

Chemistry
1 answer:
Nina [5.8K]3 years ago
8 0
I hope this answers helps it’s D
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Which one of these samples contains the smallest number of molecule?
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E) 1.0L of He at STP

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Is each of these statements true? If not, explain why.(g) The rate of a reaction increases as the reaction proceeds.
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The rate of a reaction rises as it progresses. The answer is false

<h3>What causes a reaction's rate to increase?</h3>

Generally speaking, raising the temperature of the reaction system, raising the concentration of a reactant in solution, and raising the surface area of a solid reactant will all raise the rate of a reaction. A catalyst can be added to the reaction mixture to speed up a process as well.

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1 year ago
Number of molecules in lithium sulfate Li2So4​
sertanlavr [38]
What the question there is nun
7 0
2 years ago
If a 2.50 liter container is filled with Ne gas at a pressure of 650 mm Hg and at 25°C, what mass of Ne is in the container?
seraphim [82]

Answer:

1.76 g is the mass of Ne is in the container.

Explanation:

We use the equation given by ideal gas which follows:

PV=nRT

where,

P = pressure of the gas = 650 mm Hg

V = Volume of the gas = 2.50 L

T = Temperature of the gas = 25^oC=[25+273]K=298K

R = Gas constant = 62.3637\text{ L.mmHg }mol^{-1}K^{-1}

n = number of moles of Ne gas = ?

Putting values in above equation, we get:

650mmHg\times 2.50L=n\times 62.3637\text{ L.mmHg }mol^{-1}K^{-1}\times 298K\\\\n=\frac{650\times 2.50}{62.3637\times 298}=0.0874mol

Also, molar mass of Ne = 20.1797 g/mol

So, Mass = Moles\times Molar\ mass = 0.0874\times 20.1797 g = 1.76\ g

<u>1.76 g is the mass of Ne is in the container.</u>

7 0
3 years ago
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