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Kitty [74]
3 years ago
7

Allen wants to make a box to keep foods hot. What material would be best for him to use in his box?

Chemistry
2 answers:
ser-zykov [4K]3 years ago
7 0

Answer:my answer  is correct

Explanation:

klio [65]3 years ago
4 0

Answer:

C

Explanation:

my quiz said so

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The amplitude of the wave is the <em>same in both the positive and negative directions</em>.

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The decomposition of NH4HS is endothermic: NH4HS(s)⇌NH3(g)+H2S(g) Part A Which change to an equilibrium mixture of this reaction
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Explanation:

According to Le Chatelier's principle, any disturbance caused in an equilibrium reaction will shift the equilibrium in a direction that will oppose the change.

As the given reaction is as follows.

       NH_{4}HS(s) \rightleftharpoons NH_{3}(g) + H_{2}S(g)

(a)  When increase the temperature of the reactants or system then equilibrium will shift in forward direction where there is less temperature. It is possible for an endothermic reaction.

Thus, formation of H_{2}S will increase.

  • (b)  When we decrease the volume (at constant temperature) of given reaction mixture then it implies that there will be increase in pressure of the system. So, equilibrium will shift in a direction where there will be decrease in composition of gaseous phase. That is, in the backward direction reaction will shift.

Hence, formation of H_{2}S will decrease with decrease in volume.

  • When we increase the mount of NH_{4}HS then equilibrium will shift in the direction of decrease in concentration that is, in the forward direction.

Thus, we can conclude that formation of H_{2}S will increase then.

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How do magnetic forces repel or attract? make it short and simple 25 points
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The atomic number of an atom is always equal to the total number of
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