Calculate ΔrG° at 25.0 °C for the reaction below. 2 Na(s) + 2 H2O(l) → 2 NaOH(aq) + H2(g) Given: ΔrH° = [x] kJ and ΔrS° = [y] J/K (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?

What is the molality of ethanol (C2H5OH) in an aqueous solution that is 48.2% ethanol by mass? (Report your answer to two decimal places, i.e. xx.xx, and no units are necessary in the answer.)

A volume of 25.0 mL of 0.100 M C6H5CO2H(aq) is titrated with 0.100 M NaOH(aq). What is the pH after the addition of 12.5 mL of NaOH? (Ka of benzoic acid = 6.4 × 10–5) (Report your answer to two decimal places, i.e. x.xx)

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: ____________. 

Martha has several interviews set up to fill the position of the ambulatory coder. In preparation for the interviews, she has a few questions that she plans to ask each candidate, and then she will follow up with other unique questions based upon the answers she receives from each individual.  This type of interviewing technique is called ______________:

On paper, show how to find lcm(77, 70) without using a calculator.

Let A=[0.5,2.4]{“version”:”1.1″,”math”:”A=[0.5,2.4]”}.  Which of the following are subsets of A{“version”:”1.1″,”math”:”A”}?  Select all that apply.

Let R(x) = “x is a rational number” and let Z(x) = “x is an integer”.  The domain of x is the real numbers.  Match each proposition below with its English translation.  Not all translations will be used.  

Final_Exam_Math_295_SU25-4.pdf