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Viefleur [7K]
2 years ago
12

Are your knees the elbows of your legs or are your elbows the knees of your

Chemistry
2 answers:
jeyben [28]2 years ago
6 0

Answer:

Both :)

Explanation:

Nimfa-mama [501]2 years ago
5 0

Answer:

hi

Explanation:

it is confusing lol

but i think that it is C.both

hope it helps

have a nice day

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Use mathematics to prove that the 5.50 grams of salicylic acid (C7H6O3) used in this experiment is equal to 0.04 mol.
g100num [7]

Answer:

Please find the answer to the question below

Explanation:

In chemistry, the following mathematical formula is used to calculate the number of moles contained by a substance:

mole = mass of substance (g)/molar mass of substance (g/mol)

Molar mass of salicylic acid (C7H6O3) = 12(7) + 1(6) + 16(3)

= 84 + 6 + 48

= 138g/mol

Mass = 5.50grams

mole = 5.5/138

mole = 0.039

Approximately, the number of moles of 5.5grams of salicylic acid is 0.04moles. This is in accordance with the mole value (0.04) given in this question.

7 0
3 years ago
If a solution has a pH of 2, what is the hydroxide ion concentration?
murzikaleks [220]

Answer:

A

Explanation:

14=pH + pOH

pOH= 14 - 2

pOH= 12

pOH= -log[OH]

[OH]= 10^-12

=1×10^-12

5 0
1 year ago
Which of the following pieces of information is given in a half-reaction?
puteri [66]

Answer:

<em>The number of electrons transferred in the reaction</em>

Explanation:

8 0
3 years ago
After each half-life cycle, of the radioactive nuclei became nonradioactive.
kherson [118]

Answer:

half

Explanation:

i just took the quiz

7 0
3 years ago
It seems that the earth is the only planet that can support life as we know it. Which of these is a characteristic of the earth
Softa [21]
Water on earth can exist in all 3 states: solid, liquid, and gas.
Earth is just the right distance from the sun so that temperatures are ideal for living organisms.
Earth has a protective atmosphere shielding the planet from harmful UV and X rays.
4 0
3 years ago
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