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vovikov84 [41]
3 years ago
9

What products are formed in the electrolysis of 1.0 M aqueous HBr?

Chemistry
1 answer:
Hoochie [10]3 years ago
8 0

Answer:

Hydrogen (H₂) gas at the cathode and Bromine (Br₂) gas at the anode

Explanation:

Bromine gas is evolved at anode.Since bromide ion is negatively charged it will go to anode to be oxidized and lose electrons.

while, Hydrogen gas is evolved at cathode .Since hydrogen ion is positively charged it will go to cathode reduced and gain electrons.

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A. Filtration

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A car with a mass of 1,100 kg is moving with a velocity of 30 m/s due east . What is the moment?
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2 years ago
What is the width of this penny?
sergey [27]

Answer:

D. 1.2 cm

Explanation:

1st, determine the units. We see that our ruler is in cm.

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2nd, determine answer.

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3 0
3 years ago
A solution was found to have a 15.6 % transmittance at 500 nm, its wavelength of maximum absorption, using a cell with a path le
Gnesinka [82]

For the absorbance of the solution in a 1.00 cm cell at 500 nm  is mathematically given as

A’ = 0.16138

<h3>What is the absorbance of the solution in a 1.00 cm cell at 500 nm?</h3>

Absorbance (A) 2 – log (%T) = 2 – log (15.6) = 0.8069

Generally, the equation for the Beer’s law is mathematically given as

A = ε*c*l

0.8069 = ε*c*(5.00 )

ε*c = 0.16138 cm-1

then for when ε*c is constant

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A’ = 0.16138

In conclusion, the absorbance of the solution in a 1.00 cm cell at 500 nm is

A’ = 0.16138

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