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PolarNik [594]
3 years ago
6

What happens te energy in an open system

Chemistry
2 answers:
FromTheMoon [43]3 years ago
4 0

Answer:

A

hope its helpful please mark brainliest

Aleks04 [339]3 years ago
4 0
Letter A —the first one
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a stock solution has a concentration of 0.30 m clo2 and is diluted to become a 0.20 m solution with a volume of 0.050 l. what wa
Pavlova-9 [17]

The stock solution has a volume of 0.208L. When diluted, a stock solution with a concentration of 0.30 m clo2 becomes a 0.20 m stock solution with a volume of 0.050.

A three-dimensional space's occupied volume is measured. It is frequently measured numerically with SI-derived units (such the cubic metre and litre) or with other imperial units (such as the gallon, quart, cubic inch). Volume and length are related in how they are defined (cubed).

A highly concentrated stock solution, often prepared as a 10x concentrated solution, can be described as a stock solution since it can be diluted to create a working solution. In order to prepare complex solutions with numerous constituents, stock solutions can also be utilized as a component.

0.3M*v = 0.125M*0.50L

V=0.208L

Learn more about stock solution here

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4 0
1 year ago
At STP, which element is brittle and not a conductor of electricity
Sever21 [200]
Your answer is the element of S I think.
5 0
3 years ago
Describe some of the practical uses of controlled fission reactions.
Katarina [22]
By the process of Nuclear Fission:
1) We Generate Electricity. - If the process is controlled, then we can do this. It's very better way to generate electricity. 'cause of it's many advantages, all nation wants to enhance their electricity production through this mean.

2) We Create explosive. - Again, with the help of nuclear fission we can create certain helpful bombs like Atom Bomb which will help us in war.

Hope this helps!
4 0
3 years ago
Read 2 more answers
When pbi2 is added to na2co3 a white precipitate is formed. the white precipitate most likely is?
Alina [70]
The reaction between the lead iodide, PbI2 and sodium carbonate, Na2CO3, will form the chemical compounds, sodium iodide and lead carbonate as shown below. 
                                PbI2 + Na2CO3 --> NaI + PbCO3
The white precipitate formed in the reaction is PbCO3. 
8 0
4 years ago
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An naoh solution contains 1.90 mol of naoh, and its concentration is 0.555 m. what is its volume?
Firlakuza [10]
0.555 = 1.90/V
⇒ V = 1.90/0.555
⇒ V = 3.423 liter
6 0
3 years ago
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