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KiRa [710]
3 years ago
15

A teen is making iced coffee and would like it sweeter but is unable to get the sugar to dissolve. What method could dissolve mo

re sugar in the iced coffee?
a. Add the sugar right after the coffee has brewed, while it is still hot.
b. Keep adding sugar at longer time intervals.
c. Wait for the ice to dissolve to then add sugar.
d. Measure the amount of sugar more accurately.
Chemistry
1 answer:
expeople1 [14]3 years ago
7 0
It would work better to add the sugar right after the coffee has brewed, while it is still hot!!

Hope I Helped!!!
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If nitrogen (N) has 2 naturally occurring isotopes, nitrogen-14 (78.3%) and nitrogen-16 (21.7%), what is its average r.a.m.?
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Answer:

14.434 r.a.m.

Explanation:

  • The atomic mass of an element is a weighted average of its isotopes in which the sum of the abundance of each isotope is equal to 1 or 100%.

∵ The atomic mass of N = ∑(atomic mass of each isotope)(its abundance)

∴ The atomic mass of N = (atomic mass of N-14)(abundance of N-14) + (atomic mass of N-16)(abundance of N-16)

atomic mass of N-14 = 14.0 r.a.m, abundance of N-14 = percent of N-14/100 = 78.3/100 = 0.783.

atomic mass of N-16 = 16.0 r.a.m, abundance of N-16 = percent of N-16/100 = 21.7/100 = 0.217.

∴ The atomic mass of N = (atomic mass of N-14)(abundance of N-14) + (atomic mass of N-16)(abundance of N-16) = (14.0 r.a.m)(0.783) + (16.0 r.a.m)(0.217) = 14.434 r.a.m.

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How many more oxygen atoms are in Na2HPO4H(disodium phosphate) then in 2H3PO(Phosphoric Acid)?
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Answer:

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Answer:

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Explanation:

Hello!

In this case, it is possible to treat this problem by using a proportional factor which indicates one iron nail equals 2.0 grams:

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Now, for an amount of 6.022x10²³ nails, the corresponding mass will be:

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