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The following is an Arrhenius plot of a first-order reaction. The rate constant is measured in units of s–1.   Based on this Arrhenius plot, what is the activation energy (Ea) of the reaction? Hint: Use the Arrhenius linear form shown below to determine the activation energy (Ea). Match the graph to the equation:  R is the gas constant (8.314 J/mol . K)

The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. H2(g) + Br2(g) ⇌ 2 HBr(g)            Kc = 3.8 × 104 4 HBr(g) ⇌ 2 H2(g) + 2 Br2(g)      Kc = ?

Express the equilibrium constant for the following reaction. 2 K(s) + 2 H2O(l)  ⇌  2 KOH(aq) + H2(g)

Nitric oxide gas (NO) reacts with chlorine gas according to the chemical equation given below.NO +  1/2Cl2 → NOClThe following initial rates of reaction have been measured for the given reagent concentrations. Experimental Data Expt. # Initial Rate (M/h) NO (M) Cl2 (M) 1 1.19 0.50 0.50 2 4.76 1.00 0.50 3 9.52 1.00 1.00 Which of the following is the rate law (rate equation) for this reaction?

Write a balanced reaction for which the following rate relationships are true. Rate =    =    = –  

A first-order reaction has a rate constant (k) of 0.241/ min. If the initial concentration of A is 0.859 M, what is the concentration of A after 10.0 minutes?

The graph shown below depicts the relationship between concentration and time for the following chemical reaction. The slope of this line is equal to __________.

The equilibrium constant expression for the reaction: 2 BrF5(g) ⇌ Br2(g) + 5 F2(g) is

A nurse manager is legally allowed to ask the following question:

Which actions by the unit manager best reflect organizational ethics and a culture of safety? (Select all that apply.)