a) Calculate the pH in 0.030M H2SO3(Ka1=1.5

def get_words(filename):
'''
(str) -> list of str
  
Given the name of a file which contains many words
(one word per line), return a list of all these words.
  
The file may have comments and a blank space at the beginning
of the file, which should be ignored. All comment lines start with
a semicolon ';'.
'''

Python

For each of the following: 1. Write the four quantum numbers (estimate m_l and m_s) 2. Write the ground state electron configuration (shorthand and full notation) 3. Write out the arrow notation 4. Indicate how many unpaired electrons there are 5. Determine the amount of valence elctrons there are and draw the cooresponding Lewis Dot Formula a. N b. Ge c. Pb d. Mo e. Ca²⁺   f. Cl-

1) Name the four important perspectives of organizational effectiveness. Explain each approach. (400 words)

Note that essay questions should be answered with due attention to their organization (do not just post a lump of text, make sure to organize it in paragraphs, sections and headings). An answer should have an introductory statement or two that lists/states the main concepts and outlines what will happen in the main body. Next, you should elaborate on each important concept that has been listed in detail with examples and illustrations as needed.

Your department has planned sales of  $573,500 for the season. The turnover goal for the season is 1.8. Using the form develop a six-month merchandise plan on the basis of the following information.  Please submit your completed file in the essay Test 2 "assignment"  

Markdowns: 13%

Operating expenses 40%

Profit 7.5%

Cash Discounts 1.9%

% of Season’s                           % of Season

Month                    Sales                                      Markdowns

February                 13%                                               15.5%

March                     15%                                          12.5%

April                    19%                                      16%

May                         21%                                  18.5%

June                      20%                                      18%

July    12%                                    19.5%

a. Calculate the initial markup %.

b.Distribute monthly planned sales.

c. Determine monthly dollar markdowns.

d. Determine BOM stock figures.

e. Find monthly planned purchases at retail.

F. Find monthly planned purchases at cost.

Calculate the molar solubility of a solution of BaCO3 (Kip = 5x10^-9) in a solution buffered at pH= 6.5.

For H2CO3, K1=4.45 x 10^-7 and K3 = 4.69 x 10^-11.

A red ball is thrown down with an initial speed of 1 m/s from a height of 26 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 23.5 m/s, from a height of 1 meters above the ground. The force of gravity due to the earth results in the balls each having a constant downward acceleration of 9.81 m/s².

What is the speed of the red ball right before it hits the ground?

How long does it take the red ball to reach the ground?

What is the maximum height the blue ball reaches?

What is the height of the blue ball 1.9 seconds after the red ball is thrown?

How long after the red ball is thrown are the two balls in the air at the same height?

In microbiology, many different species of bacteria may have the same shape – rods, spheres, or spirals. Using the Internet as an information source, list some criteria that microbiologists can use to key out microorganisms that may have the same physical appearance.

Recessionary or Inflationary Gap? Discussion Select & Address United States Treasury Department. Is a recessionary or inflationary gap bad for an economy? Have you ever wondered how the federal government and the Federal Reserve react to smooth out recessionary and inflationary gaps? In this activity, you will explore the concepts of fiscal policy and the attempts the U.S. government takes when the U.S. economy is in a recessionary or inflation gap. You will discuss the concepts of aggregate supply and aggregate demand to determine how the U.S. economy can work its way back to long-run equilibrium based. Locate a recent article (published within the last year) that discusses fiscal policy and whether the U.S. economy is in an inflationary or recessionary gap. You can use the Hunt Library, newspapers, new stations, or other credible sources to locate an article. Analyze the article and then address the following concepts in your discussion. Interpret recessionary and expansionary gaps within the economy. Explain the inter-workings of fiscal policy tools. State how taxation and government spending works. Differentiate between fiscal and monetary policy. Demonstrate the mechanics of discretionary fiscal policy within the Keynesian framework. Summarize your findings using at least 250 words and provide a minimum of one reference. Use current APA formatting to document your sources.odule 7 Recessionary or Inflationary Gap? Discussion Select & Address United States Treasury Department. Is a recessionary or inflationary gap bad for an economy? Have you ever wondered how the federal government and the Federal Reserve react to smooth out recessionary and inflationary gaps? In this activity, you will explore the concepts of fiscal policy and the attempts the U.S. government takes when the U.S. economy is in a recessionary or inflation gap. You will discuss the concepts of aggregate supply and aggregate demand to determine how the U.S. economy can work its way back to long-run equilibrium based. Locate a recent article (published within the last year) that discusses fiscal policy and whether the U.S. economy is in an inflationary or recessionary gap. You can use the Hunt Library, newspapers, new stations, or other credible sources to locate an article. Analyze the article and then address the following concepts in your discussion. Interpret recessionary and expansionary gaps within the economy. Explain the inter-workings of fiscal policy tools. State how taxation and government spending works. Differentiate between fiscal and monetary policy. Demonstrate the mechanics of discretionary fiscal policy within the Keynesian framework. Summarize your findings using at least 250 words and provide a minimum of one reference. Use current APA formatting to document your sources.

35% of the heat released from burning fuel in a campstove actually goes to heating a pot and its contents. You start with 1.3 kg of ice at -17 °C, 1.1 L of water at 22 °C, and a 360 gram aluminum pot at 28 °C. The ice and water are put into the pot and the system is heated to 100 °C with 22% of the liquid boiling away. The specific heat of aluminum is 0.22 cal/g-°C. The specific heat of ice is 0.5 cal/g-°C. One gram of fuel produces 46000 J when it is burned.

HINTS: Consider each part (ice, water, and pot separately)

HINTS: The given % that boils away is a combination of the melted ice and the water.

HINTS: Fuel doesn't come into play yet

1. How much heat is required to go into the pot and water?

Which of the following redox reactions do you expect to occur spontaneously in the forward direction?

Calculate the nuclear binding energy (in J) and the binding energy per nucleon for the following isotope:

₅₃¹²⁷ I (126.9004 amu)

Nuclear binding energy = __________ x 10 ^__________ J

Binding energy per nucleon = _________ x 10 ^_________ J/nucleon

A solution is made by dissolving 0.636 mol of nonelectrolyte solute in 841 g of benzene. Calculate the freezing point, T_f and boiling point T_b of the solution.

A randomized controlled study was done (Lewis et al, Annals of Internal Medicine, 1998) to see whether the cholesterol lowering drug pravastatin can lower the risk of coronary disease in older patients after myocardial infarction.

Results

Major coronary events occurred in 28.1% of placebo recipients and 19.7% of pravastatin recipients (difference, 9.0 percentage points [95% CI, 4 to 13 percentage points]; relative risk reduction, 32%; P < 0.001). Coronary death occurred in 10.3% of the placebo group and in 5.8% of the pravastatin group (difference, 4.6 percentage points [CI, 1.9 to 6.5 percentage points]; relative risk reduction, 45%; P = 0.004). Stroke incidence was 7.3% in the placebo group and 4.5% in the pravastatin group (absolute reduction, 2.9 percentage points [CI, 0.3 to 4.5 percentage points]; relative reduction, 40%; P = 0.03).

All of the following statements regarding interpreting the numbers are true EXCEPT one. Which statement is NOT accurate?:

a. If we repeated the study on a similar sample of subjects, we would observe a difference of 9 percentage points or greater between pravastatin and placebo less than 1 in 1000 times if there were actually no difference between the groups.

b. We are 95% confident that the true reduction in coronary events from pravastatin compared with placebo is is between 4 and 13 percentage points.

c. Subjects receiving pravastatin had 55% of the risk of coronary death as the placebo group.

d. We are more than 95% confident that pravastatin reduces the risk of coronary events, coronary death, and stroke.

e. We are 97% confident that pravastatin reduced the risk of stroke by 2.9 percentage points compared with placebo.