3 years ago

What is oxygen an example of? a mixture, an element, a compound, or a solution

Physics

1 answer:

soldi70 [24.7K]3 years ago

7 0

Answer: element

Explanation:

Couldn't be a compound because contains same type of atoms. Can't be a mixture either because not physically mixed or anything. Isn't a solution ofc because oxygen is a gas.

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In transverse waves, the medium moves perpendicular to the direction of energy transport? True or false?

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A sharp edged orifice with a 50 mm diameter opening in the vertical side of a large tank discharges under a head of 5m. If the c

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3 years ago

Suppose your salary in 2012 is $70,000. Assuming an annual inflation rate of 7%, what salary do you need to earn in 2020 in orde

s2008m [1.1K]

Annual salary(2012) = $70,000

Annual inflation = 7%

Therefore, the salary you need to earn in 2020 in order to have the same purchasing power can be calculated below

$2020-2012=8\text{ years}$ $FV=PV\times(1+r)^n$

where

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$\begin{gathered} FV=70,000(1+0.07)^8 \\ FV=70000(1.07)^8 \\ FV\text{ = 70000}\times1.71818617983 \\ FV=120273.032588 \\ FV=\text{ \$}120,273.03 \end{gathered}$

The salary you need to earn in 2020 to have the same purchasing power = $120, 273.03

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1 year ago

After all that you have learned in this unit, construct a pamphlet (brochure) in Microsoft Publisher helping new freshman to enc

aleksandr82 [10.1K]

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2 years ago

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