
a)
Interpretation:
The change in the concentration of A and B over time for the following situations when initially only A is present has to be sketched.
Concept introduction:
Equilibrium: Some
b)
Interpretation:
The change in the concentration of A and B over time for the following situations when initially only B is present has to be sketched.
Concept introduction:
Equilibrium: Some chemical reaction proceeds only in one direction. Most are reversible at some extent. At the start of a reversible process, the reaction proceeds towards the formation of products. The reverse process begins to take place and reactant molecules are formed from product molecules.
c)
Interpretation:
The change in the concentration of A and B over time for the following situations when initially both A and B are present (with A in higher concentration) has to be sketched.
Concept introduction:
Equilibrium: Some chemical reaction proceeds only in one direction. Most are reversible at some extent. At the start of a reversible process, the reaction proceeds towards the formation of products. The reverse process begins to take place and reactant molecules are formed from product molecules.

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Chapter 15 Solutions
EBK GENERAL CHEMISTRY: THE ESSENTIAL CO
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- The quantum yield of the photochemical decay of HI is 2. Calculate the number of Einsteins absorbed per mole knowing that the energy absorbed per mole of photons is 490 kJ.arrow_forwardThe quantum yield of the photochemical decay of HI is 2. How many moles of HI per kJ of radiant energy can be decayed knowing that the energy absorbed per mole of photons is 490 kJ.arrow_forwardIf the energy absorbed per mole of photons is 450 kJ, the number of Einsteins absorbed per 1 mole.arrow_forward
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- Explain why the total E in an Einstein depends on the frequency or wavelength of the light.arrow_forwardIf the dissociation energy of one mole of O2 is 5.17 eV, determine the wavelength that must be used to dissociate it with electromagnetic radiation. Indicate how many Einstein's of this radiation are needed to dissociate 1 liter of O2 at 25°C and 1 atm of pressure.Data: 1 eV = 96485 kJ mol-1; R = 0.082 atm L K-1; c = 2.998x108 m s-1; h = 6.626x10-34 J s; NA = 6.022x 1023 mol-1arrow_forwardIndicate the number of Einsteins that are equivalent to 550 kJ mol⁻¹ of absorbed energy (wavelength 475 nm).arrow_forward
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