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Zepler [3.9K]
3 years ago
13

Is green ink homogeneous or heterogeneous?

Chemistry
1 answer:
Leno4ka [110]3 years ago
7 0
<span>Green ink is homogeneous.
please mark as brainliest

</span>
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How many moles of air must escape from a 10-m  8.0-m  5.0-m room when the temperature is raised from 0c to 20c? assume the p
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Data:

p = 1 atm
V = 10 m * 8 m * 5 m = 400 m^3 = 400,000 liter

To = 0 + 273.15K = 273.15K
Tf = 20 + 273.15K = 293.15K

No - Nf =?

2) Formula

pV = NRT => N = pV / (RT)

3) solution

No = pV / (RTo)

Nf = pV / (RTf)

=> No - Nf = [pv / R] [ 1 / To - 1 / Tf ]

=> No - Nf = [1atm*400,000liter / 0.0821 atm*liter/K*mol ] [ 1 / 273.15 - 1 / 293.15]

No - Nf = 1216.9 moles ≈ 1217 moles

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Explanation:

4 0
2 years ago
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What is the velocity of a wave traveling north with a frequency of 75 hertz and a wavelength of
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Answer:

v = 450 m/s

Explanation:

Given data:

Frequency = 75 Hz

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Velocity is the product of frequency and wavelength.

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v = 75 Hz ×  6 m

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What changes could be made to optimize the manufacturing process
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Learn more:

Hydrogen bonds brainly.com/question/10602513

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