The following data are for the gas phase decomposition of phosphine at 120 °C. PH3(g) →→→→1/4 P4(g) + 3/2 H₂(g) [PH3 ], M 2.64x10-2 time, s 0 1.32x10-2 6.60x10-3 3.30x10-3 26.7 53.4 Hint: It is not necessary to graph these data. (1) The half life observed for this reaction is (2) Based on these data, the rate constant for this S. 80.1 ✓order reaction is s-1.

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.