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zmey [24]
3 years ago
12

Electrochemistry is defined as a science that deals with the relation of electricity to chemical changes and the interconversion

of chemical and electrical energy.
Which activity is most likely involved with the study of electrochemistry? 

neutralizing an acid with a base

producing a gas using a metal and an acid

placing two metal strips in an electrolyte

making a solution from crystals and water
Chemistry
2 answers:
Tanzania [10]3 years ago
6 0
Placing two metal strips in an electrolyte.
My name is Ann [436]3 years ago
4 0

Answer:

placing two metal strips in an electrolyte

Explanation:

In electrochemistry we study the conversion of electrical energy to chemical and chemical energy to electrical energy.

If we place two metal strips in an electrolyte, based on their electrode potential values, one of the metal strip will act as anode and other as cathode. The anode will undergo oxidation and cathode will undergo reduction. This can be like we pass electric current and electrolysis occurs or due to migration of electron electric current is produced. Both the cases will be studied in electrochemistry.

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Why does the velocity of catalyzed reaction reach maximum at certain<br> concentration of enzyme?
OleMash [197]

Answer:

Because the total energy of the enzyme has been used up and actions already complete

Explanation:

Catalyst are substance known to speed up rate of chemical reaction just like taking a short pathway. When velocity of catalyzed reaction reach maximum, at that moment reaction has reach it full potential (there is an equilibrium in reaction). there won't be any changes on further addition, and mostly indicate that Reaction is Complete

4 0
3 years ago
Wood is made mostly of cellulose and has a chemical formula of C6H1005. Which of
astra-53 [7]

Answer:

Answer below

Explanation:

First to show combustion, you use O₂.

So   C₆H₁₀O₅ +  O₂ is the reaction.  Assuming complete combustion, all you get as products are CO₂ and H₂O.  Then you have to balance the full reaction.

C₆H₁₀O₅  +  6O₂  ----->  6CO₂  +  5H₂O

6 Carbons on each side

10 Hydrogens on each side

17 Oxygens on each side

8 0
3 years ago
The highest pressure ever produced in a laboratory setting was about 2.0 x 10 6 atm. If we have a
tigry1 [53]

Answer:

Volume = 72.7272

Explanation:

if only pressure and volume change, then we can do some simple math to find the answer.

2 x 10 ^ 6 times 1 x 10 ^-5 = 20

pressure and volume must equal 20

20 = 0.275 x volume

20 / 0.275 = new volume

I don't remember significant digits but your volume is 72.72727272 just repeated

8 0
3 years ago
If a 60-g object has a volume of 30 cm3, what is its density? 2 g/cm3 0.5 cm3/g 1800 g * cm3 none of the above
jasenka [17]

Answer : The density of an object is, 2g/cm^3

Solution : Given,

Mass of an object = 60 g

Volume of an object = 30cm^3

Formula used :

\text{Density of an object}=\frac{\text{Mass of an object}}{\text{Volume of an object}}

Now put all the given values in this formula, we get the density of an object.

\text{Density of an object}=\frac{60g}{30cm^3}=2g/cm^3

Therefore, the density of an object is, 2g/cm^3

6 0
3 years ago
At what speed does all electromagnetic radiation travel?
Mkey [24]
3.0
10 to the power of 8

5 0
3 years ago
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