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erik [133]
3 years ago
5

Which phrase describes the motion, collisions, and

Chemistry
1 answer:
scZoUnD [109]3 years ago
8 0

Answer:

B

Explanation:

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False ..............................................
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How do you measure one wavelength?
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A 300-gallon anaerobic digester will be loaded daily with a feedstock that contains two parts dairy manure and one-part water by
Mars2501 [29]

Answer:

The volume of feedstock needed to mantain an organic load rate of 2 kgVS/day is 0.055 m3/day of feedstock.

The HRT is 20.6 days.

Explanation:

First, we calculate how many kg is 1 m3 of feedstock. We know the density, so we can calculate the mass:

M=\rho*V=37.5\frac{lb}{ft^3}*1m^3*(\frac{3.281ft}{1m})  ^3=1324.5lb=600.7 kg

If the VS are 6% in weight,

M_{vs}=0.06*M=0.06*600.7\,kg/m^3=36,0kgVS/m3

The volume per day needed to feed 2 kg of VS/day is:

V=\frac{2kg}{36kg/m^3}= 0.055m3/day=5.5litres/day

The HRT depends on the volume of the tank and the flow. Its equation is

HRT=\frac{V}{Q}=\frac{300gal}{0.055 m^3/day}*\frac{1m^3}{264.172gal}\\   \\HRT=20.6\,days

6 0
3 years ago
the reaction AB2C (g) <---> B2 (g) + AC (g) reached equilibrium at 900 K in a 5.00 L vessel. At equilibrium 0.0840 mol of
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Answer:

k = 4,92x10⁻³

Explanation:

For the reaction:

AB₂C (g) ⇄ B₂(g) + AC(g)

The equilibrium constant, k is defined as:

k = \frac{[B_{2}][AC]}{[AB_2C]} <em>(1)</em>

Molar concentration of the species are:

[AB₂C]: 0,0840mol / 5L = <em>0,0168M</em>

[B₂]: 0,0350mol / 5L = <em>0,0070M</em>

[AC]: 0,0590mol / 5L = <em>0,0118M</em>

Replacing this values in (1):

k = \frac{[0,0070][0,0118]}{[0,0168]}

<em>k = 4,92x10⁻³</em>

I hope it helps!

7 0
3 years ago
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lianna [129]

Explanation:

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