Monday
October 20, 2014

Posts by lil'mama


Total # Posts: 5

chemistry
From the information in the table, determine the experimental rate law for the reaction in number 1 Experiment number [NO]initial (M)[H2]initial (M) Initial rate (M/s) 1 0.1 0.1 1.23E10-3 2 0.1 0.2 2.46E-03 3 0.2 0.1 4.92E-03 a. r = k [NO]3 [H2] b. k [NO]2 [H2] c. k [NO]3 [H2]...
April 18, 2009

chemistry
In what ratio does EDTA bind metals? a. 1: 4 b. 2:1 c. 3:1 d. 1:1
April 18, 2009

chemistry
Calculate the heat of formation of water from its constituent elements from the following information: 3 H2 (g) + O3 (g) ¨ 3H2O ∆H = ? 2 H2 (g) + O2 (g) ¨ 2H2O ∆H = - 483.6 3 O2 (g) ¨ 2O3 (g) ∆H = 284.5 a. -480 kJ/mol b. 480 kJ/...
April 18, 2009

chemistry
For 0.250 M of weak acid (NaHS) the Kb is given by 1.22 x10-13 , calculate the pH of the weak base.
April 18, 2009

chemistry
For 0.100 M of weak acid (propanoic acid HPr) the Ka is given by 1.30 x10-5 , calculate the pH of the sample.
April 18, 2009

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