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Nonamiya [84]
3 years ago
14

(( PLEASE HELP QUICK ))Which expression can be used to calculate the ratio of the rate of effusion of gas A to the rate of effus

ion of gas B? I cannot remember the effusion formulas
The square root of the molar mass of B ÷ the square root of the molar mass of A

The square root of the molar mass of A ÷ the square root of the molar mass of B

The molar mass of A ÷ the molar mass of B

The molar mass of B ÷ the molar mass of A
Chemistry
1 answer:
borishaifa [10]3 years ago
3 0

Answer:

The square root of the molar mass of B ÷ the square root of the molar mass of A  

Explanation:

Graham’s Law applies to the effusion of gases:

The rate of effusion (r) of a gas is inversely proportional to the square root of its molar mass (M).

r \propto \dfrac{1}{\sqrt{M}}

If you have two gases A and B, the ratio of their rates of effusion is

\dfrac{r_{\text{A}}}{r_{\text{B}}} = \sqrt{\dfrac{M_{\text{B}}}{M_{\text{A}}}}

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Which area of the periodic table has the most elements included within it?
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The area of the periodic table that has the most elements included within it is metals (option A).

<h3>What is periodic table?</h3>

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4 0
2 years ago
I REALLY NEED HELP ITS DUE AT 11:59 PM
Slav-nsk [51]

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5 0
3 years ago
Read 2 more answers
A stover-to-ethanol plant produces 40,000 tonne/yr of ethanol and contains 8functionalunits:feedstockhandling,pretreatment,simul
Step2247 [10]

Answer:

FCI=458000*8*40000^{0.3}\\FCI=880818398.52 M

FCI=88.0818 MM≅88 MM

Explanation:

Empirical correlation based on the work of Bridgwater and Mumford (1979):

For Liquid or solid phase Plants:

FCI=458000*N*F^{0.3}                       F<60,000 tonne/yr     Eq (1)

FCI=7000*N*F^{0.68}                         F≥60,000 tonnes/yr   Eq (2)

Where:

N is the number of functional units

F is the process throughput tonnes/yr

In our case F=40,000 tonne/yr <60,000 tonne/yr, We are going to use Eq (1)

FCI=458000*N*F^{0.3}                       F<60,000 tonne/yr

N=8, F=40,000 tonne/yr

FCI=458000*8*40000^{0.3}\\FCI=880818398.52 M

FCI=88.0818 MM≅88 MM

8 0
3 years ago
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