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timofeeve [1]
3 years ago
14

I WILL GIVE BRAINLY IF U HELP ME WITH THIS LITTLE PASSAGE

Chemistry
1 answer:
xeze [42]3 years ago
3 0

a primary source combines gases and explodes in the tip of the man

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Polar molecules have an equal number of positive and negative particles. True or false
Naddik [55]

Yes it does have an equal number

7 0
3 years ago
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9. Suppose that 25.0 mL of a gas at 725 mm Hg and 20°C is converted to standard
storchak [24]

Answer:

V₂ = 22.23 mL

Explanation:

According to general gas equation:

P₁V₁/T₁ = P₂V₂/T₂

Given data:

Initial volume = 25 mL

Initial pressure = 725 mmHg (725/760 =0.954 atm)

Initial temperature = 20 °C (20 +273 = 293 K)

Final pressure = standard = 1 atm

Final temperature = standard = 273.15 K

Final volume = ?

Solution:

P₁V₁/T₁ = P₂V₂/T₂

V₂ = P₁V₁ T₂/ T₁  P₂

V₂ = 0.954 atm × 25 mL × 273.15 K / 293 K × 1 atm

V₂ =  6514.63 mL . atm . K  / 293 K . atm

V₂ = 22.23 mL

8 0
3 years ago
What will be the volume of a balloon at 98K PA if the volume is 9.6 5L at 235KPA
Shtirlitz [24]

Answer:

23.14 L

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

8 0
3 years ago
If 33.6 grams of KCl are dissolved in 192 grams of water, what is the concentration of the solution in percent by mass?21.2% KCl
Lelu [443]
The answer here would be 14.9 %KCl and here is how I can explain why:
33.5g / 225.6g x 100% = 14.9% 
<span>you are looking for % of KCl in the solution, you have to add the mass of the KCl and water to get the total mass of the solution
Hope this helps a lot
</span>

7 0
3 years ago
In the energy diagram, which number represents the potential energy of the products?
Lesechka [4]
I say Answer choice A because it is a straight line and it hasn't gone under all those reactions yet. 
6 0
3 years ago
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