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spayn [35]
3 years ago
12

How is milk souring a chemical change?

Chemistry
1 answer:
hichkok12 [17]3 years ago
7 0
Because the chemicals are different
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Give the IUPAC name for the following compound. Group of answer choices 6-Ethyl-6-methylhept-3-yne 6,6-Dimethyloct-3-yne 3,3-Dim
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Answer:

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Where are fusion reactions found
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Explanation:

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If i have 340mL of a 1.5 M NaBr solution, What will the concentration be for 1000mL?
Gekata [30.6K]

Answer:

0.51M

Explanation:

Given parameters:

Initial volume of NaBr = 340mL

Initial molarity  = 1.5M

Final volume  = 1000mL

Unknown:

Final molarity = ?

Solution;

This is a dilution problem whereas the concentration of a compound changes from one to another.

In this kind of problem, we must establish that the number of moles still remains the same.

    number of moles initially before diluting = number of moles after dilution

Number of moles  = Molarity x volume

Let us find the number of moles;

          Number of moles  = initial volume x initial molarity

Convert mL to dm³;

                  1000mL  = 1dm³

                     340mL gives \frac{340}{1000}   = 0.34dm³

Number of moles  = initial volume x initial molarity  = 0.34 x 1.5 = 0.51moles

Now to find the new molarity/concentration;

               Final molarity  = \frac{number of moles}{Volume}    = \frac{0.51}{1}    = 0.51M

We can see a massive drop in molarity this is due to dilution of the initial concentration.

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3 years ago
What will the outcome of putting litumus paper into distilled water
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Are people made up of matter? Do they have mass?
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