Answer to Question #174781 in General Chemistry for dafd

Question #174781

Adding NH4SCN: Dark Red Solution

Prediction:orange

Adding AgNO3: Cloudy white Solution:

Prediction:white

Increasing Temperature: light orangish-yellow solution

Prediction bubbling orange

Decreasing Temperature: (Darker orange)

prediction: orange

Moving tube 4 to hot water: Light yellowish-orange

Prediction: orange

Moving tube 5 to ice water: Dark Orange

Prediction: orange

  • please answer all questions with an explanation*


  • Based on the color change you observe, is the equilibrium for the solution in the hot water shifting left or right?
  • Do your observations indicate that the reaction is exothermic or endothermic? That is, based on your observations, is heat a product or a reactant? How do you know?
  • What is the net ionic equation of this reaction with heat included in the equation?
  • Are equilibrium shifts reversible? Justify using evidence from the lab.
1
Expert's answer
2021-03-30T07:52:18-0400

The equilibrium is shifting to the right

The reaction is endothermic for heat is absorbed

No equilibrium shifts are not reversible



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