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Olin [163]
3 years ago
8

HELP PLEASE!!!!

Chemistry
1 answer:
iren2701 [21]3 years ago
5 0

Answer:

32.09 amu is that an option i’m pretty sure that’s right but i would try and make sure

Explanation:

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If the heating curve is reversed, what describes the boiling point?
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Boiling is the process of converting a substance from liquid state to gaseous state. If the heating curve is reversed, the process also is reversed from converting gaseous state to liquid state. In this case, the reverse of boiling is condensation. So the answer is point of condensation.
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An object with a mass of 10.0 kg is moving at a speed of 5.00m/s. The kinetic energy of the mass is
NemiM [27]
KE = (1/2)mv^2
m = 10.0 kg
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C. 125 J
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PLEASE HELP REALLY IMPORTANT
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3 years ago
A food processing plant discharges 40 cfs (cubic feet per second) of process water containing an ultimate BOD (L0) of 25 mg/L an
Feliz [49]

Answer:

The right solution according to the question is provided below.

Explanation:

According to the question,

(a)

The initial conditions will be:

DO = \frac{(40\times 1.8)+(260\times 7.6)}{40+260}

      = \frac{2048}{300}

      = 6.826 \ mg/L

The initial oxygen defict will be:

Do = 8.5-6.826

     = 1.674 \ mg/L

The initial BOD will be:

Lo = \frac{(40\times 25)+(260\times 3.6)}{40+260}

    = \frac{1936}{300}

    = 6.453 \ mg/L

(b)

The time reach minimum DO:

tc = \frac{1}{(kr-kd)} ln{(\frac{0.76}{0.61} )[1-\frac{1.674(0.76-0.61)}{0.61\times 6.453} ]}

   = \frac{1}{0.15}\times ln \ 1.158

By putting the values of log, we get

   = 0.973 \ days

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Xc = \frac{1.1\times 3600\times 24}{5280}\times 0.973 \ days

    = 18\times 0.973

    = 17.5 \ miles

8 0
3 years ago
How does a magnet separate mixtures?
N76 [4]
It can only do that when  one of the components of the mixture is a magnetic
material.

When you have that situation, you pass the magnet over the mixture ... shaking
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couldn't care less about the magnet and they just stay where they are.
8 0
4 years ago
Read 2 more answers
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