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Free_Kalibri [48]
4 years ago
10

_______is the thermal energy that flows from one substance to another when the substances differ in temperature.

Chemistry
2 answers:
Inessa05 [86]4 years ago
7 0

Answer:

Heat

Explanation:

See above for the answer

DiKsa [7]4 years ago
7 0

nswer:

Heat

Explanation:

Heat is a form of energy (thermal energy) in transition, which is transferred by non-mechanical means due to a temperature difference.

Heat always flows from the higher temperature system to the lower temperature system.

Its nature is transitory, so it makes no sense to speak of heat stored in a system, but of heat flowing from one system or substance to another given a temperature difference.

If there is no difference in temperature, no heat will flow between systems or substances.

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Two voltaic cells are to be joined so that one will run the other as an electrolytic cell. In the first cell, one half-cell has
vladimir1956 [14]

Au/Cr cell will run as a voltaic cell and Co/Zn cell will run as an electrolytic cell.

<h3>What is an electrolytic cell?</h3>

An electrolytic cell that uses electrical energy to enable a non-spontaneous redox reaction is known as an electrolytic cell.

Certain chemicals can be electrolyzed using electrolytic cells, which are electrochemical cells.

For example, water can be electrolyzed to create gaseous oxygen and gaseous hydrogen with the use of an electrolytic cell.

The following are the three essential parts of electrolytic cells:

Cathode (which is negatively charged for electrolytic cells)

Anode (which is positively charged for electrolytic cells)

Electrolyte

The reactions for each half cell is given by

Au^{3+}(aq) + 3e^- \rightleftharpoons Au(s) ; E° = 1.50 V

Cr^{3+}(aq) + 3e^- \rightleftharpoons Cr(s) ; E° = –0.74 V

Co^{2+}(aq) + 2e^- \rightleftharpoons Co(s) ; E° = –0.28 V

Zn^{2+}(aq) + 2e^- \rightleftharpoons Zn(s) ; E° = –0.76 V

When the Au/Cr cell will run as a voltaic cell and Co/Zn cell will run as an electrolytic cell, the a difference in the voltages is produced

E^o_{series} = E^o_{Au/Cr} - E^o_{Co/Zn}  = 2.24 V – 0.48 V = 1.76 V

Learn more about electrolytic cell:

brainly.com/question/19854746

#SPJ4

7 0
1 year ago
What is an insulator
hammer [34]
A thing or substance used for a insulator, for example a substance that does not readily allow the passage of heat or sound
5 0
3 years ago
Read 2 more answers
What color would the methyl orange indicator turn in a solution with a pH of 2?
alexdok [17]

Answer:

The answer is red.

Explanation:

  1. Methyl orange is an organic dye that used as an indicator in acid-base titrations because its color is changed according to pH of the medium (acidic, neutral or basic).
  2. Methyl orange is red in acidic solutions, orange in neutral solutions, and yellow in basic solutions.

Since pH of the solution is 2, the solution is acidic, the color of the solution will be red.

4 0
3 years ago
2) Which of the following is a synthesis reaction?
Artemon [7]

Answer:

(4) CuO + H₂ → Cu + H₂O.

Explanation:

<em>(1) Cu + 2AgNO₃ → Cu(NO₃)₂ + 2Ag.</em>

It is considered as a single replacement reaction that Cu replaces Ag in its salt AgNO₃.

<em>(2) 2Cu + O ₂ → 2CuO.</em>

It is a combustion reaction that Cu reacts with oxygen results CuO.

<em>(3) CuCO₃ → CuO + CO₂.</em>

It is a decomposition reaction that CuCO₃ is decomposed to CuO and CO₂.

<em>(4) CuO + H₂ → Cu + H₂O.</em>

It is considered as a synthesis reaction that two reactants CuO and hydrogen are reacted to produce Cu and H₂O.

<em>So, the right choice is: (4) CuO + H₂ → Cu + H₂O.</em>

<em></em>

5 0
4 years ago
Read 2 more answers
a student collected data about how different fertilizers affect a plant growth. which type of graph should they use to show the
lara31 [8.8K]

Answer:

I think they should use a bar graph

Explanation:

Because if they use a bar graph they could mark each of the different kind of fertilizer and they could easily see which one affected it the most, either good or bad, by the looking at the heights of the bars to determine your conclusion.

3 0
4 years ago
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