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lana [24]
3 years ago
11

Which are characteristics of the speed of light? Check all that apply.

Chemistry
2 answers:
valkas [14]3 years ago
8 0
- The speed of light is the speed electromagnetic waves travel.
- The speed of light is 3.0 x 10^{8} m/s in space.
- The speed of higher frequency light slows down more than lower frequency light in matter
valkas [14]3 years ago
4 0
- <span>The </span>speed of light<span> is the </span>speed<span> electromagnetic waves travel. The </span>speed of light<span> is 3.0 x 108 m/s in space. The </span>speed of light<span> is the same in all matter. The </span>speed<span> of higher frequency </span>light <span>slows down more than lower frequency </span>light<span> in matter.</span>
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Determine the volume, in liters, occupied by 0.015 molecules of oxygen at STp?
Arlecino [84]

5.58 X 10^{-25} Litres is the volume, in liters, occupied by 0.015 molecules of oxygen at STP.

Explanation:

Data given:

molecules of oxygen = 0.015

number of moles of oxygen =?

temperature at STP = 273  K

Pressure at STP = 1 atm

volume = ?

R (gas constant) = 0.08201 L atm/mole K

to convert molecules to moles,

number of moles = \frac{molecules}{Avagadro's number}

number of moles = 2.49 x 10^{-26}

Applying the ideal gas law since the oxygen is at STP,

PV = nRT

rearranging the equation:

V = \frac{nRT}{P}

putting the values in the rearranged equation:

V = \frac{2.49 X10^{-26}   X 0.08201 X 273}{1}

V = 5.58 X 10^{-25} Litres.

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3 years ago
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Answer: 100.0g

Explanation:

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1 year ago
A molecule of glucose is comprised of 6 atoms of carbon, 12 atoms of hydrogen, and 6
Tanya [424]

Answer:

48

Explanation:

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7 0
2 years ago
Is it possible to convert between moles and mass?
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Answer:

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Explanation:

Hope this helps!

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