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suter [353]
3 years ago
7

42 At standard pressure, the total amount of heat required to completely vaporize a 100. gram sample of water at its boiling poi

nt is(1) 2.26 X 10 J (3) 2.26 X 103 J
(2) 2.26 X 102 J (4) 2.26 X 105 J
Chemistry
1 answer:
yan [13]3 years ago
4 0

Answer:

4 is the actual answer, the other answer can eat my ...

Explanation:

The answer is 100% legit answer choice 4 not 3!!!!!!

This is because the 2260 is 10^2 and then ^3 is increased when boiling a 100 gram

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When we talk about the gram weight of any food item, it may or may not include the gram weight of its different nutrient molecules. It may have different reasons to it. One of the reasons can be because the nutrient molecule might contain a large percentage or proportion of water. Also, the nutrient molecules might be insoluble or indigestible fiber so it does not add up to the total gram weight of food.

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2 years ago
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What is the radius of a hydrogen atom whose electron is bound by 0.544 ev? express your answer with the appropriate units?
insens350 [35]
First, we need to calculate the principal quantum number n for this electron, using the equation:
E = (-13.60 eV) / (n x n)
where E is the energy that is used to bound the electron (here, E = - 0.544 eV).
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n x n = (- 13.60 eV) / (- 0.544 eV)
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The orbital radius that is equal to the radius of a hydrogen atom is calculated using the equation:
r = 0.053 nm x n x n
r = 0.053 nm x 5 x 5
r = 0.053 nm x 25
r = 1.325 nm
6 0
3 years ago
Please help me if you can.
NeTakaya

Answer:

Explanation:

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