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Mamont248 [21]
3 years ago
7

Consider the numbers 0, 10, 20, 30, and 40. Multiply each by 4 and compare the result to 60 to determine into which of the follo

wing intervals the answer to the question "What number can you multiply by 4 and then add 8 to the product to get 60?" should fall.Select the interval into which the answer should fall.a. 0 to 10b. 10 to 20c. 20 to 30d. 30 to 40
Chemistry
1 answer:
finlep [7]3 years ago
5 0

Answer:

B 10 to 20

Explanation:

0×4 = 0

10×4 = 40

20×4 = 80

30×4 = 120

40×4 = 160

60 is in between 40 and 80, so the interval into which the answer should fall is 10 to 20

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Answer:

35.453 amu.

Explanation:

From the question given above, the following data were obtained:

Isotope A (Cl–35):

Abundance (A%) = 75.77%

Mass of A = 34.969 amu

Isotope B (Cl–37):

Abundance (B%) = 24.23%

Mass of B = 36.966 amu

AVERAGE atomic mass of Cl =?

The average atomic mass of Cl can be obtained as follow:

Average = [(Mass of A × A%)/100] + [(Mass of B × B%)/100]

Average = [(34.969 × 75.77)/100] + [(36.966 × 24.23)/100]

Average = 26.496 + 8.957

Average atomic mass of Cl = 35.453 amu.

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3 years ago
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<span>Si is reduced/Oxidizing reagent Mg is oxidized/reducing reagent</span>
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3 years ago
What happens in all chemical reactions?
OlgaM077 [116]

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6 0
3 years ago
A gas mixture with a total pressure of 770 mmHg contains each of the following gases at the indicated partial pressures: 128 mmH
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Answer:

227 mmHg

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