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amm1812
3 years ago
7

A 47.0 mL aliquot of a 0.400 M stock solution must be diluted to 0.100 M. Assuming the volumes are additive, how much water shou

ld be added? volume of water: Answer mL

Chemistry
1 answer:
mel-nik [20]3 years ago
5 0

Answer:

The answer is 0.188L

Explanation:

I did the problem on paper and put the answer on the pictures. I'm sorry if I didn't explain it well but I hope I helped.

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At a pressure of 650 kpa 2.2L of hydrogen is used to fill a balloon to a final pressure of 115 kpa. What's the balloons volume?
Alborosie

Answer:

V₂ = 12.43 L

Explanation:

Given data:

Initial pressure = 650 KPa

Initial volume = 2.2 L

Final pressure = 115 KPa

Final volume = ?

Solution:

The given problem will be solved through the Boyles law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

650 KPa ×2.2 L = 115 KPa × V₂

V₂ = 1430 KPa. L/ 115 KPa

V₂ = 12.43 L

4 0
2 years ago
Poisons are more serious and harmful than toxins if ingested because the _____ is lower. Small amounts of poison can be extremel
Step2247 [10]

Answer:

The death is lower

Explanation:

im gonna get a warning watch

3 0
2 years ago
Which term refers to the speed at which reactants are converted into products?
shutvik [7]

Answer:

activation energy hope this is right

6 0
3 years ago
A certain metal forms a bromide containing percent by mass. what is the chemical formula of the compound?
77julia77 [94]

Answer:

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Explanation:

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1 year ago
What is released during cellular respiration?
anastassius [24]
During cellular respiration<span>, glucose is broken down in the presence of oxygen to produce carbon dioxide and water,energy is </span><span>released.</span>
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