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The rate constant of a first-order decomposition reaction is 0.0147 s–1. If the initial concentration of reactant is 0.178 M, what is the concentration of reactant after 30.0 seconds? (Report your answer in units of M, to 4 decimal places, i.e. x.xxxx, and no units are necessary in the answer.)

A voltaic cell or galvanic cell converts chemical energy to electrical energy.  E0cell for the given galvanic cell is [x] V. Fe2+(aq) + 2 Cl–(aq) → Fe(s) + Cl2(g) Calculate the value of ΔrG° for the reaction. (Report your answer in units of kJ, to one decimal place, i.e. xxx.x, and no units are necessary in the answer.) (Remember to include a negative sign, if necessary.)

Below is a proposed mechanism for the decomposition of H2O2. H2O2 + I– → H2O + IO– slow H2O2 + IO– → H2O + O2 + I– fast Which of the following statements are true?

For the equilibrium N2O4(g)

Calculate the standard cell potential (E0cell) for the reaction as written: 2 Na(s) + Ba2+(aq) → 2 Na+(aq) + Ba(s). The standard reduction potentials are as follows:   Na+(aq) + e−→ Na(s) E° = –2.71 V   Ba2+(aq) +2 e−→ Ba(s) E° = –2.912 V   (Report your answer in units of V, to three decimal places, i.e. x.xxx, and no units are necessary in the answer.) (Remember to include a negative sign in your answer, if necessary.)

The average rate of disappearance of oxygen in the following reaction is found to be [x] atm/s. 2NO + O2 → 2NO2 What is the rate of appearance of nitrogen dioxide during this interval? (Report your answer in units of atm/s, to two decimal places, i.e. x.xx, and no units are necessary in the answer.)

What is the pH of a solution made by combining [x] M NaC2H3O2 with [y] M HC2H3O2? The Ka of acetic acid is 1.75 × 10-5. (Report your answer to three decimal places, i.e. x.xxx)

Of the following compounds: carbon monoxide, CO hydrogen bromide, HBr xenon, Xe dihydrogen sulfide, H2S methanol, CH3OH Which will have the strongest intermolecular forces? [strongest] Which will have the weakest intermolecular forces? [weakest] Which will have the highest boiling point? [bp]

The HIM department has undergone a job evaluation update.  As a result, the data analysts were determined to be of greater importance to the organization than the scanning clerks, therefore, their positions were upgraded and pay was increased.  The method of job evaluation illustrated here is: ____________. 

This management theorist is noted for explaining the foundational concepts that form the basis of administrative management. This theorist’s concept is called_________________.