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elena-s [515]
3 years ago
6

19.3-1. Diffusion of CO2 Through Rubber. A flat plug 30 mm thick having an area of 4.0 × 10 –4m2 and made of vulcanized rubber i

s used for closing an opening in a container. The gas CO2 at 25°C and 2.0 atm pressure is inside the container. Calculate the total leakage or diffusion of CO2 through the plug to the outside in kg mol CO2 /s at steady state. Assume that the partial pressure of CO2 outside is zero. From Barrer (B1), the solubility of the CO2 gas is 0.90 m3 gas (at STP of 0°C and 1 atm) per m3 rubber per atm pressure of CO2 . The diffusivity is 0.11 × 10 –9m2 /s.
Chemistry
1 answer:
ahrayia [7]3 years ago
6 0

Answer:

13

Explanation:

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PLEASE HELP ASAP
Inessa05 [86]

The enthalpy change for the reaction 2K + S + K2S using the following thermochemical reactions is mathematically given as

dn=70.7kg

<h3>What is the enthalpy change for the reaction?</h3>

Generally, the equation for the  Chemical reaction is mathematically given as

2k+s----->K2S

Therefore

KS+K----->K2S

Therefore

dn=dn1+dn2

dn=32.5+38.2

dn=70.7kg

In conclusion,  the enthalpy change is

dn=70.7kg

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4 0
2 years ago
The last intermediate in citric acid cycle is:_________
GenaCL600 [577]

The last intermediate in citric acid cycle is Oxaloacetic acid.

<h3>What is Citric Acid Cycle?</h3>

Organic molecule HOC(CO2H)(CH2CO2H)2 is the chemical formula for citric acid. It is a weak organic acid that is colorless. Citrus fruits naturally contain it. It is a biochemical intermediary in the citric acid cycle, which is a component of all aerobic organisms' metabolism.

Every year, more than two million tons of citric acid are produced. It is frequently used as a flavoring, an acidifier, and a chelating agent.

Citrates, which include salts, esters, and the polyatomic anion present in solution, are derivatives of citric acid. Trisodium citrate is an example of the former; triethyl citrate is an example of an ester.

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7 0
1 year ago
Fill in the blank to complete each statement
son4ous [18]

Answer:

1. watershed

2. point

3. nonpoint

Explanation:

The land that supplies water to a river system is called a watershed

Pollution from a single, identifiable source is called point

Pollution that is difficult to link to a particular origin is called  nonpoint

5 0
3 years ago
Read 2 more answers
Unsaturated compounds are_<br> very reactive<br> unreactive<br> single bonded<br> alkanes
dsp73

Answer:

very reactive

Explanation:

The alkenes and alkynes are very reactive organic compound at their double and triple bonds participating in an extensive range of reactions which can be nucleophilc, addition , free radical reactions just to mention a few.

The reason for this reactivity is the high density of electrons due to the double and triple bonds responsible for the "unsaturation"

4 0
3 years ago
BRAINLIEST ANSWER! What is the best description of the side of the moon that faces Earth? A. goes through cycles B. the same C.
spayn [35]
The answer for the question is A
4 0
4 years ago
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