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nikdorinn [45]
2 years ago
5

Selective Uptake and Gas Transport in Chemically Modified PIMs

Chemistry
1 answer:
Delvig [45]2 years ago
3 0

Selective uptake is the procedure with the aid of using which membranes in cells decide what molecules can cross in and what molecules can exit of a cell.

The studies aimed to expand chemically changed PIM-1s to be used in adsorption and fueloline separation processes. In particular, the nitrile institution in PIM-1 became transformed to numerous one of a kind purposeful organizations to control the interplay capacity of PIM-1 with one of a kind species. Synthesis of PIM-1 became done with the aid of using one of a kind methods, the usage of each the low (72h, 65 °C) and the excessive temperature (forty min, 160 °C) methods.

The response led to a aggregate of hydrolysis products. The composition of the polymer has a profound impact at the very last overall performance of the polymer. Powder samples of hydrolysed PIMs had been used withinside the studies. The discount of nitrile to number one amine became done the usage of borane dimethyl sulphide complex, ensuing in amine PIM-1.

Read more about transport;

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Is one quarter the size of earth, has no moons, and has an almost non-existent atmosphere
PIT_PIT [208]

For the answer to the question above,
If you mean planet, that would be Mercury. There are other objects in our solar system that could fit the criteria. 
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7 0
3 years ago
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How many moles are in 6.21x1025 atoms of magnesium oxide?
Rasek [7]

Answer: 55.56 moles of MgO

Explanation:

1 mole = avogadro number

if 6.21x10^25 atoms then molecules of MgO (equal numbers of Mg and O atoms)

= 0.5*6.21x10^25 = 3.105 molecules of MgO

So moles of MgO = 0.5*6.21*10^25/avogadro number = 55.56

5 0
3 years ago
What is the complete ground state electron configuration for the oxygen atom?
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4 0
3 years ago
How many nitrogen atoms are in 4.24 x 1022 molecules of Ca (NO3)2 ?
horsena [70]

Answer:

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Explanation:

                   Calcium Carbonate is an ionic compound made up to Calcium (Ca²⁺) and Nitrate (NO₃⁻) ions. Also, the subscript 2 after the closed bracket after NO₃ specifies that there are two moles of NO₃⁻ in calcium nitrate compound. Hence, in total we can say that this compound contain,

                                    1 atom of Calcium

                                    2 atoms of Nitrogen

                                    6 atoms of Oxygen

Therefore,

When,

              1 molecule of Ca(NO₃)₂ contains  =  2 atoms of Nitrogen

Then,

   4.24 × 10²² molecules of Ca(NO₃)₂ will contain  = X atoms of Nitrogen

Solving for X,

                      X  =  2 atoms × 4.24 × 10²² molecule / 1 molecule

                      X =  8.48 × 10²² atoms of Nitrogen

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4 years ago
Use the big bang theory to explain why scientists do not expect to find galaxies that have large blue shifts.
STALIN [3.7K]

Answer:

becoz they want so

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5 0
3 years ago
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