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timama [110]
3 years ago
14

What change would increase the amount of gas able to be dissolved in a given amount of liquid water?

Chemistry
2 answers:
oee [108]3 years ago
4 0

Answer:

increasing pressure

Explanation:

butalik [34]3 years ago
3 0
It would be the change in pressure that would <span>increase the amount of gas able to be dissolved in a given amount of liquid water. Increasing the pressure of a system would allow more gas to be dissolved into a liquid. Hope this answers the question. Have a nice day.</span>
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A solution of NaCl ( aq ) is added slowly to a solution of lead nitrate, Pb ( NO 3 ) 2 ( aq ) , until no further precipitation o
statuscvo [17]

Answer : The molarity of Pb(NO_3)_2  solution is, 0.352 M

Explanation :

First we have to calculate the moles of PbCl_2

\text{Moles of }PbCl_2=\frac{\text{Given mass }PbCl_2}{\text{Molar mass }PbCl_2}

Molar mass of PbCl_2 = 278.1 g/mol

\text{Moles of }PbCl_2=\frac{19.58g}{278.1g/mol}=0.07041mol

Now we have to calculate the moles of CaCl_2

The balanced chemical equation is:

Pb(NO_3)_2(aq)+2NaCl(aq)\rightarrow PbCl_2(s)+2NaNO_3(aq)

From the balanced reaction we conclude that

As, 1 mole of PbCl_2 produced from 1 mole of Pb(NO_3)_2

So, 0.07041 mole of PbCl_2 produced from 0.07041 mole of Pb(NO_3)_2

Now we have to calculate the molarity of Pb(NO_3)_2

\text{Molarity of }Pb(NO_3)_2=\frac{\text{Moles of }Pb(NO_3)_2}{\text{Volume of solution in (L)}}

\text{Molarity of }Pb(NO_3)_2=\frac{0.07041mol}{0.200L}=0.352M

Therefore, the molarity of Pb(NO_3)_2  solution is, 0.352 M

4 0
3 years ago
2. What is an example of a molecule<br> with different types of atoms?
agasfer [191]

Answer:

a compound

Explanation:

A molecule with multiple atoms is compound like water it's made up of 1 oxygen and two hydrogen.

4 0
3 years ago
An isotope of iron has 28 neutrons. If the atomic mass of the isotope is 54, how many protons does it have?
Crazy boy [7]
26 because you need to do 54-28=26
The atomic mass number is the number of protons AND neutrons together.
5 0
3 years ago
Read 2 more answers
the speed limit is posted as 35 km/hr . your speedometer reads that you are going 40 miles/hr. are you speeding?
Morgarella [4.7K]
No, because 40 miles is the same as nearly 25 km/h. 
4 0
3 years ago
What can be said of a closed system when an exothermic reaction proceeds in an aqueous solution?
lyudmila [28]
An exothermic reaction is a type of reaction that dissipates heat as the reaction proceeds. This would mean that in a closed system, when a reaction proceeds and is endothermic, the temperature of the solution  or the system would increase so as to maintain the equilibrium with the whole system.
8 0
3 years ago
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