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Alona [7]
3 years ago
11

How many molecules are in 6.00 mol He? HELP!!!!!

Chemistry
1 answer:
Simora [160]3 years ago
5 0
Your answer is rounded to 3 but the specific is 3.6132849e+24
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What is the basic principle that is used during the during the structures of compounds​
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Resonance of molecules is the most stable structure of molecules and most stable structure is its middle form among all the resonance structures. This same phenomenon is used in swings.

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Which type of land biome is created and/orsubstained by a rain shadow
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You can practice converting between the mass of a solution and mass of solute when the mass percent concentration of a solution
Ostrovityanka [42]

Answer:

145 grams of a 0.480 % KCN solution contains 697 mg of KCN.

Explanation:

w/w % : The percentage mass or fraction is mass of the of solute present in 100 grams of the solution.

w/w\%=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100

given =  w/w% = 0.480 %

Mass of solute that KCN = 697 mg = 0.697 g

(1 mg = 0.001 g)

Mass of the solution = ? = x

0.480\%=\frac{0.697 g}{x}\times 100

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3 years ago
The formula for chlorine dioxide
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calculate the standard potential arising from the reaction in which NADH is oxidized to NAD and the corresponding biological sta
melisa1 [442]

Answer:

-219.99kJ

Explanation:

The acronym '' NADH'' simply stands for what is known as coenzyme 1 with full meaning of Nicotinamide Adenine Dinucleotide Hydride. This substance is useful in the production of energy. The oxidation reaction of NADH causes it to produce NADP⁺ and the oxygen produces water when it is in the reduction process. The balanced equation for the oxidation reaction is given below as:

NADPH ---------------------------------------------------------------------> NADP⁺H⁺ + 2e⁻.

Also, the balanced equation for the reduction reaction is given below as:

\frac{1}{2} O₂ + 2H⁺ + 2e⁻ --------------------------------------------------------------> H₂O.

It can be shown from the above REDOX reaction that the total number of electrons getting transferred is 2.

The  Gibbs energy = -nFE. where n = 2, F = faraday's constant = 96485.3329 C and E = overall cell potential.

The overall cell potential = E[ reduction reaction] - E[oxidation reaction] = 0.82 - (- 0.32 ) = 1.14 V.

Hence, the Gibbs energy = - 2 × 96485.3329 × 1.14 = -219.99kJ

7 0
2 years ago
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