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Vadim26 [7]
3 years ago
11

Here is the image please answer the question before i fail :( :( :( :( :( :( :( :(

Chemistry
1 answer:
Solnce55 [7]3 years ago
4 0

this is not gonna help at all but its all i got

montreal protocol on substances that deplete the ozone Layer is a landmark agreement that has successfully reduced the global production consumption and emissions of ozone depleting substances

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If a 1.45 M solution has 2.43 g HCl dissolved, what is the volume of solution? (Change g HCl into mol using molar mass)
Ulleksa [173]

Answer: The volume of solution is 0.0459 L

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution

Molarity=\frac{n}{V_s}

where,

n = moles of solute

V_s = volume of solution in L

moles of HCl (solute) = \frac{\text {given mass}}{\text {Molar mass}}=\frac{2.43g}{36.5g/mol}=0.0666

Now put all the given values in the formula of molality, we get

1.45M=\frac{0.0666}{V_s}

V_s=\frac{0.0666}{1.45}=0.0459

Therefore, the volume of solution is 0.0459 L

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3 years ago
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The earths rotation if I’m not mistaken
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I need help with chemical formulas<br>​
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Explanation:

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3 years ago
After two half-lives, a sample contains 10 grams of parent isotopes. How many grams of the parent isotope were present to start?
Lunna [17]
T=2T
m=10 g

m=m₀2^(-t/T)

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How does increasing temperature increase the number of reactions?
antiseptic1488 [7]

Answer:

Increasing the temperature increases reaction rates because of the disproportionately large increase in the number of high energy collisions. It is only these collisions (possessing at least the activation energy for the reaction) which result in a reaction

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