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3 years ago

Where purple tinted glasses will make white what color?

Chemistry

1 answer:

Roman55 [17]3 years ago

8 0

Answer:

purple

Explanation:

White plus purple equals purple (Not pink)

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Ethanol is made by fermentation how is ethonall obtained from the fermentation mixture

grigory [225]

Answer:

Fermentation: Single-celled microorganisms called yeast are added to the slurry. Fermentation is the biochemical process that occurs when yeast break down glucose. Yeast gets energy from glucose. As a result, ethanol is produced.

MARK ME BRAINLIST

7 0

3 years ago

What is the hydroxide ion concentration of a solution that has a pH of 9.630?

Kobotan [32]

Answer:

Which is the ph of a solution in which the concentration of hydroxide ion is greater than the concentration of hydrogen ion?

An acidic solution is one in which the hydrogen ion concentration is greater than the hydroxide ion concentration; in other words, the hydrogen ion concentration is greater than 1 X 10-7 M, and the hydroxide ion concentration is less than 1 X 10-7 M. In terms of pH, an acidic solution has a pH less than 7

Explanation:

7 0

4 years ago

What is the consecration of a solution that is made by diluting 50.0 mL of a 40.0 M NaCl solution to a final volume of 1000.0 mL

ira [324]

Explanation:

Given that:

V1 = 50mL

M1 = 40M

V2 = 1000mL

unknown:

M2 = ?

Solution:

Concentration is the number of moles solute in a solution.

Since the number of moles in the solute remains the same;

Concentration = $\frac{number of moles}{volume}$

number of moles = concentration x volume

Number of moles before and after the dilution remains the same;

M1 x V1 = M2 x V2

M1 is initial concentration

V1 is initial volume

M2 is final concentration

V2 is final volume

40 x 50 = M2 x 1000

M2 = 2M

learn more:

Molarity brainly.com/question/9324116

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7 0

3 years ago

A concentration cell is constructed using two Ni electrodes with Ni2+ concentrations of 1.0 M and 1.00 � 10�4 M in the two half-

Komok [63]

Answer: The cell potential of the cell is +0.118 V

Explanation:

The half reactions for the cell is:

Oxidation half reaction (anode): $Ni(s)\rightarrow Ni^{2+}+2e^-$

Reduction half reaction (cathode): $Ni^{2+}+2e^-\rightarrow Ni(s)$

In this case, the cathode and anode both are same. So, $E^o_{cell}$ will be equal to zero.

To calculate cell potential of the cell, we use the equation given by Nernst, which is:

$E_{cell}=E^o_{cell}-\frac{0.0592}{n}\log \frac{[Ni^{2+}_{diluted}]}{[Ni^{2+}_{concentrated}]}$

where,

n = number of electrons in oxidation-reduction reaction = 2

$E_{cell}$ = ?

$[Ni^{2+}_{diluted}]$ = $1.00\times 10^{-4}M$

$[Ni^{2+}_{concentrated}]$ = 1.0 M

Putting values in above equation, we get:

$E_{cell}=0-\frac{0.0592}{2}\log \frac{1.00\times 10^{-4}M}{1.0M}$

$E_{cell}=0.118V$

Hence, the cell potential of the cell is +0.118 V

5 0

3 years ago

Why are the current borders of the Middle East different than

Jlenok [28]

Answer:

Belgium and the Netherlands swap land near Lanaye and Oost-Maarland over the discovery of a headless body several years prior, which the Belgian Authorities could not access without crossing Dutch territory. The border has been straightened out and now runs down the center of the Meuse River.[5] The change took effect on 1 January 2018.

Explanation:

5 0

4 years ago