. A 35.00-mL solution of 0.2500 M HF is titrated with a standardized 0.1532 M solution of NaOH at 25 °C. The Ka value for HF is 6.8 x 10-4 . (a) What is the pH of the HF solution before titrant is added? (b) How many milliliters of titrant are required to reach the equivalence point? (c) What is the pH at 0.50 mL before the equivalence point? (d) What is the pH at the equivalence point? (e) What is the pH at 0.50 mL after the equivalence point?

A nurse is teaching a client who has diabetes Mellitus about mixing regular insulin and NPH insulin. Which of the following statement by the client indicates an understanding of the teaching?

1. I should draw up NPH Insulin before the regular Insulin
2. I should inject air into the vial of regular insulin first
3. I should roll vial of NPH insulin between my hands before drawing it up
4. I should wait 3 minutes after Mixing the insulin to inject it

For each scenario listed on the left, determine whether the scenario represents an Indepenent Samples or Matched pairs situation by placing the appropriate letter in the box provided. Comparing pain levels of a group receiving a placebo to a group receiving a medicine Comparing the number of speeding tickets received by men to the number received by women Comparing pain levels before and after treatment with magnetic therapy Comparing pre-test scores before training to post-test scores Matched Pairs Independent Samples

On December 31, 2019, The Bates Company's revenue is $360,000 and expenses total $260,000 before consideration of the following:

Accrued wages total $14,000;

Accrued revenues total $42,000;

Depreciation expense is $20,000;

Rental revenue of $4,000 was earned; the rent from a tenant was initially recorded by Bates as unearned rent revenue;

The income tax rate is 35% of income before income taxes.

What is Bates' net income after consideration of the above information?

Multiple Choice

• $72,800.

• $70,200.

• $100,000.

• $112,000.

The stockholders’ equity of TVX Company at the beginning of the day on February 5 follows:  

On February 5, the directors declare a 18% stock dividend distributable on February 28 to the February 15 stockholders of record. The stock’s market value is $47 per share on February 5 before the stock dividend. The stock’s market value is $40 per share on February 28.

1. One stockholder owned 400 shares on February 5 before the dividend. Compute the book value per share and total book value of this stockholder’s shares immediately before and after the stock dividend of February 5. (Round your "Book value per share" answers to 2 decimal places. Round "Total book value of shares" to the nearest whole dollar.)

2. Compute the total market value of the investor’s shares in part 2 as of February 5 and February 28.

You are the CFO of UBT Inc. and you are considering conducting a levered recapitalization. Specifically, you are planning on issuing a perpetual bond with a face value of $1,500 million and you will use all of the proceeds from this bond issuance to pay your existing shareholders a one-time dividend. You anticipate that the cost of debt associated with this transaction will be 4.1%.

You believe that increasing UBT’s leverage will benefit investors. Specifically, you anticipate that this expected agency benefit has a present value of $50 million. You do not anticipate any agency or distress costs as a result of this transaction.

The table below shows additional information on UBT Inc. before the new bond is issued. You may assume that the company has no excess cash, and that UBT’s investors do not pay personal taxes on interest, dividends, or capital gains.

1. What is the enterprise value of UBT Inc. before the proposed transaction (i.e. before the new bond is issued)?

2. What is the enterprise value of UBT Inc. after the dividend has been paid?

C. What is the share price after the dividend has been paid?

Mr. Rhodes is diagnosed with appendicitis. The surgeon schedules surgery for this afternoon at 1300. In developing the his care plan, what would be an expected outcome for Mr. Rhodes regarding surgery?

A. is able to describe the importance of postoperative exercises before going to surgery

B. Demonstrate use of a call bell if he needs something after surgery

C. Will not vomit after surgery

D. Learns about postoperative exercises to prevent blood clots

Mr. X will retire in 10 years and currently has $200,000 in retirement account. He assumes that he will live up to 20 years after retirement. During those 20 years, he projects annual expenses of $50,000. If the interest rate is 7%, how much he needs to deposit annually for the next 10 years? Assume the deposits before retirement and withdrawals after retirement all occur at beginning of year.

Determine the pH during the titration of 35.9 mL of 0.280 M ammonia (NH₃, K_b = 1.8×10^-5) by 0.280M HCl at the following points. (Assume the titration is done at 25 °C.)
Note that state symbols are not shown for species in this problem.
(a) Before the addition of any HCl

(b) After the addition of 13.9 mL of HCl

(c) At the titration midpoint

(d) At the equivalence point

(e) After adding 51.7 mL of HCl