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Mamont248 [21]
3 years ago
15

Which statement about spontaneous and non spontaneous processes is correct?

Chemistry
1 answer:
Masteriza [31]3 years ago
5 0

<u>Answer:</u>

option A is correct option.

Explanation :

A spontaneous method is capable of continuing during a given direction while not having to be driven by an outdoor supply of energy.

The laws of physical science govern the direction of a spontaneous method, guaranteeing that if a sufficiently sizable amount of individual interactions are concerned, then the direction can perpetually be within the direction of enhanced entropy.

Associate in Nursing endergonic reaction (also referred to as a nonspontaneous reaction) may be a chemical change during which the quality change in free energy is positive and energy is absorbed.

Endergonic processes will be pushed or force by coupling them to extremely exergonic reactions.

ΔG = ΔH - TΔS , ΔG is amendment within the free energy, ΔH is that the amendment in total heat, ΔS is that the amendment in entropy and T is temperature in kelvin.

Spontaneity of reaction Vs total heat Vs entropy

When ΔH is negative and ΔS is positive, ΔG are going to be negative over all temperatures.

When ΔH is negative and ΔS is negative, ΔG are going to be negative at low temperatures.

When ΔH is positive and ΔS is negative, ΔG won't be negative at any temperature. There would be no spontaneous reaction.

When ΔH is positive and ΔS is positive, ΔG are going to be negative at high temperatures.

Therefore, finally it's the amendment in free energy of a reaction which may predict if a reaction is possible.

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Identify each of the following mixtures as either homogeneous or heterogeneous and as a solution, a suspension, or a colloid.
MrRissso [65]
<h2>Answers to the rest of the assignment:</h2>

**Check for proof photos at the bottom.**

__________________________________________________________

Identify each of the following mixtures as either homogeneous or heterogeneous and as a solution, a suspension, or a colloid.  

Cranberry juice at the store

A. homogeneous

C. solution

Smoke  

B. heterogeneous  

D. colloid

__________________________________________________________

Identify each of the following mixtures as either homogeneous or heterogeneous and as a solution, a suspension, or a colloid.  

Blood

B. heterogeneous  

E. suspension

Salad dressing

B. heterogeneous  

E. suspension

__________________________________________________________

Shown here is a person shaving.  Under magnification, the shaving foam might look like the image above the shaver. What type of mixture does the foam demonstrate? Give your reasoning.

Foam is a colloid. Colloids includes gas dispersed in a liquid and it also includes gas dispersed in a solid

On the next slide, you can select any answers you want, or you can select nothing. There's no wrong answer.  

__________________________________________________________

A student squeezes several oranges to make a glass of orange juice. The juice contains pieces of orange pulp mixed with the juice. Explain why this drink can be considered a combination of a suspension and a solution.

The juice contains sugars, plant pigments, and other chemicals dissolved in water. This is a solution. The pieces of orange pulp will rise to the top or settle to the bottom of the juice if it is allowed to sit. The pieces of pulp mixed with the juice form a suspension

On the right side, you can also select any answers or none at all. There is no wrong answer.

__________________________________________________________

<h2>Explanation:</h2>

There are two main types of mixtures, homogeneous mixtures and heterogeneous mixtures. The components of a homogeneous mixture are evenly distributed throughout the mixture. The properties of a mixture are the same everywhere. The components of a heterogeneous mixture are not evenly distributed. Different regions of this mixture have different   properties.

Particles in a homogeneous mixture do not settle down or separate when left alone. Particles in a heterogeneous mixture eventually separate or settle when left alone.

  • Colloids are a type of heterogeneous mixture that do not naturally settle out quickly, and can be separated with different methods.
  • A suspension is another type of heterogeneous mixtures in which the components of the mixture will quickly settle out or can be filtered or separated.

Here are photos of Edge just incase.

6 0
3 years ago
6. Three ice cubes are placed inside a glass of hot chocolate. Which of the following best
ycow [4]
It’s the first 1 M yea it’s the first one
4 0
2 years ago
Which environment would you most likely have rich fertile soil
eimsori [14]
The environment where rich,fertile soil would most likely be is a flood plain.

Hope this helps!
Can u plz mark me as brainliest? I really need it!
7 0
3 years ago
How many moles of methane are in 20.32 x 10^16 molecules
Marizza181 [45]

Taking into account the definition of avogadro's number, 3.37×10⁻⁷ moles of methane are 20.32×10¹⁶ molecules.

First of all, you have to know that Avogadro's number indicates the number of particles of a substance (usually atoms or molecules) that are in a mole.

Its value is 6.023×10²³ particles per mole and it applies to any substance.

Then you can apply the following rule of three: if 6.023×10²³ molecules are contained in 1 mole of methane, then 20.32×10¹⁶ molecules are contained in how many moles of methane?

amount of moles of methane= (20.32×10¹⁶ molecules × 1 mole)÷ 6.023×10²³ atoms

Solving:

<u><em>amount of moles of methane= 3.37×10⁻⁷ moles</em></u>

Finally, 3.37×10⁻⁷ moles of methane are 20.32×10¹⁶ molecules.

Learn more about Avogadro's Number:

  • <u>brainly.com/question/11907018?referrer=searchResults </u>
  • <u>brainly.com/question/1445383?referrer=searchResults </u>
  • <u>brainly.com/question/1528951?referrer=searchResults</u>
7 0
2 years ago
What element is a non-metal.<br> A. Mg<br> B. Rb<br> C. Li<br> D. Br<br> E. Si
Goryan [66]

Answer:

D.) Br

Explanation:

I don’t really have an explanation.

I hope this helps!

4 0
3 years ago
Read 2 more answers
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