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Yanka [14]
2 years ago
11

Someone plz help me write notes (images attached)

Chemistry
1 answer:
ioda2 years ago
4 0

Answer:. the act of solving a problem, question, etc.: The situation is approaching solution. the state of being solved: a problem capable of solution. a particular instance or method of solving; an explanation or answer: The solution is as good as any other

Explanation:

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The compound adrenaline contains 56.79% c, 6.56% h, 28.37% o, and 8.28% n by mass. what is the empirical formula for adrenaline?
Phoenix [80]
To determine the empirical formula of the compound given, we need to determine the ratio of each element in the compound. To do that we assume to have 100 grams sample of the compound with the given composition. Then, we calculate for the number of moles of each element. We do as follows:<span>
         mass        moles
C       56.79        4.73
H       6.56          6.50
O       28.37        1.77
N      8.28           0.59

Dividing the number of moles of each element with the smallest value, we will have the empirical formula:

</span>         moles                 ratio
C       4.73     / 0.59       8
H       6.50     / 0.59      11
O       1.77     / 0.59       3
N        0.59    / 0.59       1<span>
</span><span>
The empirical formula would be C8H11O3N.</span>
8 0
2 years ago
DO NOT ANSWER IF YOU DO NOT KNOW WHAT TO DO
Mice21 [21]

Answer:

im gunna save my answer so no one can take it:)

Explanation:

I tried my best

4 0
3 years ago
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Which of the following statements is true?
AlekseyPX

Answer:

C

Explanation:

Its eurasian plate.

8 0
2 years ago
During the distillation nitrogen gas is obtained first, then argon and oxygen. What can u say about the boiling points of these
svetlana [45]

Explanation:

The boiling point of liquid nitrogen, liquid argon, and liquid oxygen are -196°C, -186°C, and -183°C respectively. So, the correct order is nitrogen, argon, oxygen.

6 0
2 years ago
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The role of chlorophyll during photosynthesis is to
Fudgin [204]

Answer:

Absorb light energy

Explanation:

Chlorophyll absorbs light energy which is used to produce carbohydrate and oxygen in the presence of carbon dioxide and water.

3 0
3 years ago
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