(a)
Interpretation:
The rate of the given reaction is to be stated as rapid, slow, won’t react and the answer is to be explained.
Concept introduction:
The energy relationships of a reaction are explained on the basis of energy diagrams. In an exothermic reaction, the energy of products is lower than that of the reactants. On the other hand, in an endothermic reaction, the energy of reactants is lower than that of products. Also, the activation energy for different reactions is different. The
(b)
Interpretation:
The rate of the given reaction is to be stated as rapid, slow, won’t react and the answer is to be explained.
Concept introduction:
The energy relationships of a reaction are explained on the basis of energy diagrams. In an exothermic reaction, the energy of products is lower than that of the reactants. On the other hand, in an endothermic reaction, the energy of reactants is lower than that of products. Also, the activation energy for different reactions is different. The rate of the reaction depends on the state of reactants, on the medium in which they are present, concentration, temperature and the presence of catalyst.
(c)
Interpretation:
The rate of the given reaction is to be stated as rapid, slow, won’t react and the answer is to be explained.
Concept introduction:
The energy relationships of a reaction are explained on the basis of energy diagrams. In an exothermic reaction, the energy of products is lower than that of the reactants. On the other hand, in an endothermic reaction, the energy of reactants is lower than that of products. Also, the activation energy for different reactions is different. The rate of the reaction depends on the state of reactants, on the medium in which they are present, concentration, temperature and the presence of catalyst.
(d)
Interpretation:
The rate of the given reaction is to be stated as rapid, slow, won’t react and the answer is to be explained.
Concept introduction:
The energy relationships of a reaction are explained on the basis of energy diagrams. In an exothermic reaction, the energy of products is lower than that of the reactants. On the other hand, in an endothermic reaction, the energy of reactants is lower than that of products. Also, the activation energy for different reactions is different. The rate of the reaction depends on the state of reactants, on the medium in which they are present, concentration, temperature and the presence of catalyst.
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Chemistry for Today: General, Organic, and Biochemistry
- Classify each of the reactions according to one of the four reaction types summarized in Table 18.1. (a) C6H12O6(s) + 6 O2(g) 6 CO2(g) + 6 H2O() rH = 673 kj/mol-rxn rS = 60.4 j/K mol-rxn (b) MgO(s) + C(graphite) Mg(s) + CO(g) rH = 490.7 kJ/mol-rxn rS = 197.9 J/K mol-rxn TABLE 18.1 Predicting Whether a Reaction Will Be Spontaneous Under Standard Conditionsarrow_forwardFor each of the changes listed will the rate of the following chemical reaction increase, decrease, or remain the same? Cu(s)+H2SO4(aq)CuSO4(aq)+H2(g) a. the concentration of H2SO4 is increased b. the copper is ground into a powder c. the mixture is stirred rapidly d. the temperature of the solution is increasedarrow_forwardClassify each of the reactions according to one of the four reaction types summarized in Table 18.1. (a) Fe2O3(s) + 2 Al(s) 2 Fe(s) + Al2O3(s) rH = 851.5 kj/mol-rxn rS = 375.2 J/K mol-rxn (b) N2(g) + 2 O2(g) 2 NO2(g) rH = 66.2 kJ/mol-rxn rS = 121.6 J/K mol-rxn TABLE 18.1 Predicting Whether a Reaction Will Be Spontaneous Under Standard Conditionsarrow_forward
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