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babunello [35]
3 years ago
8

For the given reactions determine if the entropy increases or decreases.

Chemistry
1 answer:
Alex73 [517]3 years ago
3 0

Entropy increases in reaction 1 due to increase in the number of particles while entropy decreases in reaction 2 due to decrease in the number of particles.

Entropy refers to the degree of disorderliness in a system. The higher the entropy, the more disorderly the system is and the lower the entropy, the less disorderly the system is. We must note that entropy increases with increase in the number of particles.

In the reaction,  2 KClO3 (s)⇌2 KCl (s)+3 O2 (g), entropy increases because one of the products is a gas and the number of particles increases from left to right. In the second reaction, CoCl2 (s)+6 H2O (g)⇌CoCl2⋅6H2O, entropy decreases because the number of particles decreases.

Learn more: brainly.com/question/14281129

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A 45 kg box is sitting on a window ledge 2.0 m above the ground. What is the potential energy of the box?
Travka [436]

Answer:

<h3>The answer is 900 J</h3>

Explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 10 m/s²

From the question we have

PE = 45 × 10 × 2

We have the final answer as

<h3>900 J</h3>

Hope this helps you

5 0
3 years ago
Line.
blagie [28]

Answer:

c) Normal

Explanation:

Reflection is a phenomenon typical of light wave; it occurs when a ray of light hits the interface between two mediums, and bounces off back into the original medium, at a certain angle.

The direction of the reflected ray is determined by the law of reflection, which states that:

1) The incident ray and the reflected ray, together with the normal to the interface (the perpendicular to the interface), all lie within the same plane

2) The angle of incidence is equal to the angle of reflection:

\theta_i=\theta_r

where

\theta_i is measured as the angle between the incident ray and the normal to the interface

\theta_r is measured as the angle between the reflected ray and the normal to the interface

8 0
3 years ago
How many grams are there in 3.34 mol HCl?
just olya [345]

Answer:

121.78 g

Explanation:

You multiply the mols by the grams in one mol.

4 0
3 years ago
How many grams (of mass m) of glucose are in 285 ml of a 5.50% (m/v) glucose solution?
ZanzabumX [31]
The percentage of glucose given is m/v. This means that the given percentage of volume consists of mass.
In this solution, percentage of glucose is 5.5% m/v.
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Given volume is 285 mL. 
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mass of glucose = 15.67 g
4 0
3 years ago
Name the compound containing only fluorine and hydrogen.
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7 0
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