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Mnenie [13.5K]
3 years ago
15

Why should we not throw water in petrol fire

Chemistry
1 answer:
kaheart [24]3 years ago
5 0
~Hello there! ^_^

Your question: Why should we not throw water in petrol fire..?

Your answer: We should not throw water in the petrol fire because oil, petrol etc are a bit weightless than water so it continues to flow over the water.

Hope this helps!


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If the temperature of a 5 L sample of gas is lowered from 400k to 200k, what will the resulting volume of the gas be?
FrozenT [24]

The answer would be 2.5ML

4 0
3 years ago
A stock solution has a concentration of 1.5 M SO2 and is diluted to a 0.54 M solution with a volume of 0.18 L. What was the volu
erastova [34]

The volume of the stock solution that has a concentration of 1.5 M SO2 and is diluted to a 0.54 M solution with a volume of 0.18 L is 0.065L.

<h3>How to calculate volume?</h3>

The concentration of a solution can be calculated using the following formula:

C1V1 = C2V2

Where;

  • C1 = initial concentration = 1.5M
  • C2 = final concentration = 0.54M
  • V1 = initial volume = ?
  • V2 = final volume = 0.18L

1.5 × V1 = 0.54 × 0.18

1.5V1 = 0.0972

V1 = 0.0972 ÷ 1.5

V1 = 0.065L

Therefore, the volume of the stock solution that has a concentration of 1.5 M SO2 and is diluted to a 0.54 M solution with a volume of 0.18 L is 0.065L.

Learn more about volume at: brainly.com/question/1578538

3 0
1 year ago
Abcdefghijklmnopqrstuvwxyz
Sholpan [36]

now I know my abcs next time wont you sing with me

8 0
3 years ago
Read 2 more answers
Juan observes a material in the rocks of a hilluan hammers off a piece and then examines the pieces with a hana tena He
Nata [24]

Answer:

I definitely think he mostly observed that it was clear in color.

Explanation:

5 0
3 years ago
What is the percent yield of a reaction in which 200. g of phosphorus trichloride reacts with excess water to form 91.0 g of hcl
Snowcat [4.5K]
Answer is: <span>yield of a reaction is 56,4%.
</span>Chemical reaction: PCl₃ + 3H₂O → 3HCl + H₃PO₃.
m(PCl₃) = 200 g.
m(HCl) = 91,0 g.
n(PCl₃) = m(PCl₃) ÷ M(PCl₃).
n(PCl₃) = 200 g ÷ 137,33 g/mol.
n(PCl₃) = 1,46 mol.
n(HCl) = m(HCl) ÷ M(HCl).
n(HCl) = 91 g ÷ 36,45 g/mol.
n(HCl) = 2,47 mol.
From reaction: n(PCl₃) : n(HCl) = 1 : 3.
n(HCl) = 1,46 mol · 3 = 4,38 mol.
Yield of reaction: 2,47 mol ÷ 4,38 mol · 100% = 56,4%.
4 0
3 years ago
Read 2 more answers
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