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Ludmilka [50]
3 years ago
14

In aqueous solution, globules of up to several thousand amphiphilic molecules arranged with the hydrophilic groups on the surfac

e and the hydrophobic groups buried in the center are called _____.
Chemistry
1 answer:
AnnyKZ [126]3 years ago
7 0
The answer to this question is the "Micelles" such as in an aqueous solution, globules of up to several thousand amphiphilic arranged with the hydrophilic groups on the surface and the hydrophobic groups buried in the center or in the middle are commonly called as MICELLES. These micelles is the aggregate or collection of molecules in the solution such as we have observed in the detergent.
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C2H5OH is able to dissociate in water to conduct an electric current. This compound could be classified as
nekit [7.7K]
The fact that when in solution <span>C</span>₂<span>H</span>₅<span>OH conducts electricity means that it is an electrolyte so you can automatically cross out A and C (the definition of an electrolyte is a substance that will conduct electricity when in a solution).  I think the correct answer is B due to the -OH group (the - indicates a covalent bond) which allows the molecule to give up a proton (H</span>⁺).
 I hope this helps.  Let me know if anything is unclear.
7 0
3 years ago
Charcoal is primarily carbon. what mass of co2 is produced if you burn enough carbon (in the form of charcoal) to produce 4.80 k
Reika [66]
When carbon is burned in air carbon iv oxide gas is formed.
C (s) + O2 (g) = CO2(g)  ΔH = - 393.5 kj/mol
The enthalpy change of the  reaction is -393.5 j/mol which means that when one mole of carbon is completely burnt in air then 393.5 j of energy is evolved.
Thus, 1 mole = -393.5 j , then for 480 kj 
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          1 mole of carbon iv oxide is equal to 44 g 
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6 0
4 years ago
Calculate the volume in liters of a M barium chloride solution that contains of barium chloride . Round your answer to significa
Reptile [31]

Answer:

1.667L of a 0.30M BaCl₂ solution

Explanation:

<em>Of a 0.30M barium chloride, contains 500.0mmol of barium chloride.</em>

<em />

Molarity is an unit of concentration used in chemistry defined as the moles of solute present in 1 liter of solution.

In a 0.30M BaCl₂ solution there are 0.30 moles of BaCl₂ in 1 liter of solution.

Now, in your solution you have 500mmol of BaCl₂ = 0.500 moles of BaCl₂ (1000 mmol = 1 mol). Thus, 0.500 moles of BaCl₂ are present in:

0.500 moles * (1L / 0.30 moles) =

<h3>1.667L of a 0.30M BaCl₂ solution</h3>
5 0
3 years ago
In 1901, Thomas Edison invented the nickel-iron battery. The following reaction takes place in the battery. Fe(s) + 2 NiO(OH)(s)
lord [1]

Ans: Moles of Fe(OH)2 produced is 5.35 moles.


Given reaction:

Fe(s) + 2NiO(OH) (s) + 2H2O(l) → Fe(OH)2(s) + 2Ni(OH)2(aq)

Based on the reaction stoichiometry:

1 mole of Fe reacts with 2 moles of NiO(OH) to produce 1 mole of Fe(OH)2

It is given that there are:

5.35 moles of Fe

7.65 moles of NiO(OH)

Here the limiting reagent is Fe

Therefore, number of moles of Fe(OH)2 produced is 5.35 moles.



4 0
4 years ago
Read 2 more answers
What are weak bonds that allow flexibility in an enzyme
34kurt
Enzymes are characterized to have weak bonds because their tertiary structure could easily bend and break because it will have to adjust to the shape of the substrate. It could be done via induced fitting or lock-and-key theory. These weak bonds are intermolecular forces like the London forces, electrostatic interactions and hydrogen bonding.
7 0
4 years ago
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