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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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How many atoms are there in 5.00 mol of sulphur (S)?
Mumz [18]

Answer:

3.01 × 10²⁴ atoms S

General Formulas and Concepts:

<u>Chemistry - Atomic Structure</u>

  • Using Dimensional Analysis
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

<u>Step 1: Define</u>

5.00 mol S

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

<u />5.00 \ mol \ S(\frac{6.022 \cdot 10^{23} \ atoms \ S}{1 \ mol \ S} ) = 3.011 × 10²⁴ atoms S

<u />

<u>Step 4: Check</u>

<em>We are given 3 sig figs. Follow sig fig rules and round.</em>

3.011 × 10²⁴ atoms S ≈ 3.01 × 10²⁴ atoms S

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3 years ago
how much heat is absorbed when 15.0 g of liquid water is heated until the temperature increases by 16.0.
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2 years ago
How many grams in 82 moles of CO2
Tems11 [23]

44.0 g/mol

hope it helps

6 0
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Which of the following is the final stage of a low mass star? *<br> 1 point
Nady [450]
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How does increasing and decreasing the temperature affect the kinetic energy of molecules? How does this impact heat
coldgirl [10]

Answer: As the temperature of a molecular system increases, the kinetic energy of molecules also increase. Also as the temperature of a molecular system decreases, the kinetic energy of the molecules will also decrease.

Explanation:

James Clerk Maxwell developed the kinetic-molecular theory (KMT) of gases. In this theoey, five assumptions concerning an ideal gas was made. One of the them was that," the average kinetic energy of the gas molecules is proportional to the temperature of the gas". This simply means that a s the temperature of a molecular system increases, the kinetic energy of molecules also increase. Also as the temperature of a molecular system decreases, the kinetic energy of the molecules will also decrease.

Also another scientist known as Rudolf Clausius incorporated energy into the kinetic theory. He proposed that heat is a form of energy that affects the temperature of matter by changing the motion of molecules in matter.

Heat is defined as the flow of energy which is caused by difference in temperature.

In conclusion, when the temperature of a system is increased, the collision of the molecules with one another and the walls of their container increases as more molecules gain more heat energy at higher temperature. While as the temperature of the system decreases, the collision of the molecules will also decrease as molecules lose heat energy at lower temperature.

3 0
3 years ago
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