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Tasya [4]
3 years ago
14

Explain the law of conservation of energy. Give a specific example using kinetic and potential energy that shows how energy is c

onserved.
Chemistry
1 answer:
Marrrta [24]3 years ago
3 0

Answer:

The law of conservation of energy is a law of science that states that energy cannot be created or destroyed, but only changed from one form into another or transferred from one object to another. This law is taught in physical science and physics classes in middle schools and high schools, and is used in those classes as well as in chemistry classes. When playing pool, the cue ball is shot at a stationary 8 ball. The cue ball has energy. When the cue ball hits the 8 ball, the energy transfers from the cue ball to the 8 ball, sending the 8 ball into motion. The cue ball loses energy because the energy it had has been transferred to the 8 ball, so the cue ball slows down.

source cited below

Explanation:https://examples.yourdictionary.com/law-of-conservation-of-energy-examples.html

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For the reaction ag2s(s) ⇌ 2 ag+ (aq) + s2- (aq), keq = 2.4 × 10-4 and the equilibrium concentration of silver ion is [ag+] = 2.
Juliette [100K]

Answer : The concentration of silver ion is, 3.8\times 10^{-3}M

Explanation :

Equilibrium constant : It is defined as the equilibrium constant. It is defined as the ratio of concentration of products to the concentration of reactants.

The equilibrium expression for the reaction is determined by multiplying the concentrations of products and divided by the concentrations of the reactants and each concentration is raised to the power that is equal to the coefficient in the balanced reaction.

As we know that the concentrations of pure solids and liquids are constant that is they do not change. Thus, they are not included in the equilibrium expression.

The given equilibrium reaction is,

Ag_2S(s)\rightleftharpoons 2Ag^+(aq)+S^{2-}(aq)

The expression of K will be,

K_{eq}=[Ag^+]^2[S^{2-}]

2.4\times 10^{-4}=(2.5\times 110^{-1})^2[S^{2-}]

[S^{2-}]=3.8\times 10^{-3}M

Therefore, the concentration of silver ion is, 3.8\times 10^{-3}M

4 0
3 years ago
Read 2 more answers
What happened when bromine reaction with aluminum
Anit [1.1K]

Answer:

formation reaction.

Explanation:

Since the aluminum bromide produced in this reaction is formed from elements in their standard states, this is an example of a formation reaction.

8 0
3 years ago
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