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Aliun [14]
4 years ago
12

Determine whether each of these processes is reversible or irreversible.Drag the appropriate items to their respective bins.Bins

: Reversible and Irreversible1) solid melting infinitesimally slowly at its melting point2) a single swing of a real pendulum3) gas condensing infinitesimally slowly at its condensation point4) solid melting infinitesimally slowly above its melting point5) liquid freezing below its freezing point6) liquid freezing infinitesimally slowly at its freezing point7) a single swing of a frictionless pendulum8) liquid vaporizing infinitesimally slowly at its boiling point9) gas condensing below its condensation point10) liquid vaporizing above its boiling point
Chemistry
1 answer:
atroni [7]4 years ago
6 0

Answer:

  1. Reversible
  2. Irreversible
  3. Reversible
  4. Irreversible
  5. Irreversible
  6. Irreversible
  7. Reversible
  8. Reversible
  9. Irreversible
  10. Irreversible

Explanation:

The concept applied here is the application of change of state as such ,

A reversible reaction is one that can go in both ways, that is the forward reaction can react to produce the product and the backward reaction can also react to give back the reactants. In a reversible reaction, no new substances are formed and the heat evolved is not much compared to Irreversible reaction.

An Irreversible reaction is one that can not go in both ways. i.e reactants can react to give products but products cant react to give back the reactants. In irreversible reaction, new substances are formed and a huge amount of heat is evolved.

There is reversibility between melting point and freezing point, the differences is if the solid is melting above its melting point, in such case, it is an irreversible reaction.

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Graphite is a form of____.
tigry1 [53]

Answer:

D. Carbon

Explanation:

Graphite, archaically referred to as plumbago, is a crystalline form of the element carbon with its atoms arranged in a hexagonal structure. You'll get the substance when carbon is stacked in sheets. It occurs naturally in this form and is the most stable form of carbon under standard conditions. Under high pressures and temperatures, it converts to diamond. Graphite is used in pencils and lubricants. It is a good conductor of heat and electricity. Its high conductivity makes it useful in electronic products such as electrodes, batteries, and solar panels.

3 0
3 years ago
8. The time period of artificial satellite in a circular orbit of radius R is T. The radius of the orbit in which time period is
Elena-2011 [213]

Explanation:

It is given that,

The time period of artificial satellite in a circular orbit of radius R is T. The relation between the time period and the radius is given by :

T^2\propto R^3

The radius of the orbit in which time period is 8T is R'. So, the relation is given by :

(\dfrac{T}{T'})^2=(\dfrac{R}{R'})^3

(\dfrac{T}{8T})^2=(\dfrac{R}{R'})^3  

\dfrac{1}{64}=(\dfrac{R}{R'})^3

R'=4\times R

So, the radius of the orbit in which time period is 8T is 4R. Hence, this is the required solution.  

4 0
3 years ago
Which of the following represents a chemical change. A water to boiled
horsena [70]
Hello,

Here is your answer:

The proper answer to this question is option D "wood is burned". Its a chemical change because its changing forms wood to ash.

Your answer is D.

If you need anymore help feel free to ask me!

Hope this helps!
7 0
3 years ago
Read 2 more answers
Solids _____.
Ierofanga [76]

Answer:

Are difficult to compress.

Explanation:

3 0
3 years ago
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6)Explain why a 0.010 M solution of hydrochloric acid, HCl has a pH of 2.00 but a 0.010 M solution of
ExtremeBDS [4]

0.010 M solution of hydrochloric acid, HCl has a pH of 2.00 but a 0.010 M solution of acetic acid, HCH₃COO, is 3.37 is because HCl dissociates more.

<h3>Dissociation</h3>

This is the separation of ions of an ionic compound when it dissolves.

<h3>Hydrogen ion concentration of HCl</h3>

Since 0.010 M solution of hydrochloric acid, HCl has a pH of 2.00 its hydrogen ion concentration is gotten from

pH = -log[H⁺]

So,

[H^{+} ] = 10^{-pH}

So, [H⁺] = 10⁻²

<h3>Hydrogen ion concentration of HCH₃COO</h3>

Also, since 0.010 M solution of acetic acid, HCH₃COO, has a pH of 3.37, its hydrogen ion concentration is gotten from

pH = -log[H⁺]

So,

[H^{+} ] = 10^{-pH}

So, [H⁺] = 10⁻³°³⁷ = 0.000427 = 4.27 × 10⁻⁴

Since the hydrogen ion concentration of HCl is 10⁻² and the hydrogen ion concentration of HCH₃COO is 4.27 × 10⁻⁴, we see that HCl dissociates more than HCH₃COO.

So, 0.010 M solution of hydrochloric acid, HCl has a pH of 2.00 but a 0.010 M solution of acetic acid, HCH₃COO, is 3.37 is because HCl dissociates more.

Learn more about dissociation here:

brainly.com/question/25854432

5 0
2 years ago
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