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CHEM1832-Chemistry for Health Science (T1 2025)
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The reaction A B is first order with respect to [A]. Consider the following data:
| Time (s) | 0.0 | 5.0 | 10.0 | 15.0 | 20.0 |
| [A] (M) | 0.20 | 0.14 | 0.10 | 0.071 | 0.050 |
The rate constant for this reaction is ________ s–1
The kinetics of the reaction below were studied and it was determined that the reaction rate did not change when the concentration of B was tripled. The reaction is ________ order with respect to B
A + B P
Kinetic data was recorded for a chemical reaction and the graphs below were were produced using the data. Based on these graphs, determine the overall order of the rate law for this reaction.
Which of the expressions below is the differential rate law for a first order reaction?
Nitrosyl bromide decomposes according to the following equation:2NOBr (g) ⇌ 2NO (g) + Br2 (g) A sample of NOBr (0.798 mol) was placed in an empty 1.00 L flask. At equilibrium the flask contained 0.188 mol of NOBr. How many moles of Br2 are in the flask at equilibrium?
Consider the following endothermic reaction at equilibrium:
2NH3 (g) ⇌ N2 (g) + 3H2 (g) ΔH° = +92.4 kJ/molLe Châtelier's principle predicts that adding N2 (g) to the system at equilibrium will result in ________.
Nitrosyl bromide decomposes according to the following equation:2NOBr (g) ⇌ 2NO (g) + Br2 (g) A sample of NOBr (0.66 mol) was placed in an empty 1.00 L flask. At equilibrium the flask contained 0.163 mol of NOBr. How many moles of NO are in the flask at equilibrium?
For the reaction graph below, which letter corresponds to the reaction at chemical equilibrium?
Consider the following sketch of the interaction energy for two atoms as a function of distance between the atoms.
Which label, a) to e) points to the region where nuclei-nuclei repulsion is dominating the interaction energy?
How many 4p orbitals exist?