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Misha Larkins [42]
3 years ago
8

Which statement best describes the benefit of having a universal system of measurement

Chemistry
2 answers:
goblinko [34]3 years ago
6 0
I think to is A
Because with that they work was more easy

Viefleur [7K]3 years ago
4 0
I think it would be c
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The solvent is usually referred to as the component of a solution which is present as
Eddi Din [679]
The solvent is usually referred to as the component of a solution which is present as the one with the larger quantity and in most cases as the liquid which dissolves a solid. In a solution, there are two components namely the solvent and the solute. The solute is the one in smaller amount.
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3 years ago
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A first-order reaction (A → B) has a half-life of 25 minutes. If the initial concentration of A is 0.900 M, what is the concentr
Oksanka [162]

Answer:

0.6749 M is the concentration of B after 50 minutes.

Explanation:

A → B

Half life of the reaction = t_{1/2}=25 minutes

Rate constant of the reaction = k

For first order reaction, half life and half life are related by:

k=\frac{0.693}{t_{1/2}}

k=\frac{0.693}{25 min}=0.02772 min^{-1}

Initial concentration of A = [A]_o=0.900 M

Final concentration of A after 50 minutes = [A]=?

t = 50 minute

[A]=[A]_o\times e^{-kt}

[A]=0.900 M\times e^{-0.02772 min^{-1}\times 50 minutes}

[A] = 0.2251 M

The concentration of A after 50 minutes = 0.2251 M

The concentration of B after 50 minutes = 0.900 M - 0.2251 M = 0.6749 M

0.6749 M is the concentration of B after 50 minutes.

7 0
3 years ago
Help out please I really don’t understand these
gavmur [86]
In English

7. Name the elements found in nature in diatomatic form.

8. What is the difference between double and triple single link?
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3 years ago
What is the mass of an object with a net force of 10 N accelerating at 2 m/s^2??
xz_007 [3.2K]

Answer:

5kg

Explanation:

Force = Mass x acceleration

F = ma

m = F/a = 10N/2m/s^2

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The SI base unit for mass is the gram. TRUE FALSE ​
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The answer is true the si base unit for mass is the gram
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