NCERT Exemplar Class 11
What amount of heat must be supplied to 2.0 × 10^–2 kg of nitrogen (at room temperature) to raise its temperature by 45 °C at constant pressure?
13
Sep
What amount of heat must be supplied to 2.0 × 10^–2 kg of nitrogen (at room temperature) to raise its temperature by 45 °C at constant pressure? What amount of heat must be supplied to 2.0 × 10^–2 kg of nitrogen (at room temperature) to raise its temperature by 45 °C at constant pressure? September [...]
A geyser heats water flowing at the rate of 3.0 litres per minute from 27 °C to 77 °C. If the geyser operates on a gas burner, what is the rate of consumption of the fuel if its heat of combustion is 4.0 × 10^4 J/g?
13
Sep
A geyser heats water flowing at the rate of 3.0 litres per minute from 27 °C to 77 °C. If the geyser operates on a gas burner, what is the rate of consumption of the fuel if its heat of combustion is 4.0 × 10^4 J/g? A geyser heats water flowing at the rate of [...]
Why can we not determine the order of a reaction by taking into consideration the balanced chemical equation ?
04
Jun
Why can we not determine the order of a reaction by taking into consideration the balanced chemical equation ? Why can we not determine the order of a reaction by taking into consideration the balanced chemical equation ? June 4, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,
Why molecularity is applicable only for elementary reactions and order is applicable for elementary as well as complex reactions?
04
Jun
Why molecularity is applicable only for elementary reactions and order is applicable for elementary as well as complex reactions? Why molecularity is applicable only for elementary reactions and order is applicable for elementary as well as complex reactions? June 4, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,
Why can’t molecularity of any reaction be equal to zero?
04
Jun
Why can’t molecularity of any reaction be equal to zero? Why can't molecularity of any reaction be equal to zero? June 4, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,
Why in the redox titration of KMnO4 vs oxalic acid, we heat oxalic acid solution before starting the titration?
04
Jun
Why in the redox titration of KMnO4 vs oxalic acid, we heat oxalic acid solution before starting the titration? we heat oxalic acid solution before starting the titration? Why in the redox titration of KMnO4 vs oxalic acid June 4, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,
Thermodynamic feasibility of the reaction alone cannot decide the rate of the reaction. Explain with the help of one example.
04
Jun
Thermodynamic feasibility of the reaction alone cannot decide the rate of the reaction. Explain with the help of one example. Thermodynamic feasibility of the reaction alone cannot decide the rate of the reaction. Explain with the help of one example. June 4, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,
Why does the rate of any reaction generally decreases during the course of the reaction?
04
Jun
Why does the rate of any reaction generally decreases during the course of the reaction? Why does the rate of any reaction generally decreases during the course of the reaction? June 4, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,
Oxygen is available in plenty in air yet fuels do not burn by themselves at room temperature. Explain.
04
Jun
Oxygen is available in plenty in air yet fuels do not burn by themselves at room temperature. Explain. Oxygen is available in plenty in air yet fuels do not burn by themselves at room temperature. Explain. June 4, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,
Why is the probability of reaction with molecularity higher than three very rare?
04
Jun
Why is the probability of reaction with molecularity higher than three very rare? Why is the probability of reaction with molecularity higher than three very rare? June 4, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,