Question: Pantothenic acid is a B vitamin. Using the Dumas method, you find that a sample weighing 71.6 mg gives 3.84 mL of nitrogen gas at

Pantothenic acid is a B vitamin. Using the Dumas method, you find that a sample weighing 71.6 mg gives 3.84 mL of nitrogen gas at 23oC and 785 mmHg. What is the volume of nitrogen at STP?

Step by Step Solution

★★★★★

3.39 Rating (165 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Use the combined law T i 23... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

806-C-P-c-G (351).docx

120 KBs Word File

Students Have Also Explored These Related Physical Chemistry Questions!

Show how you might synthesize Î²-aminopropionic acid from succinic anhydride. (Î²-Aminopropionic acid is used in the synthesis of pantothenic acid, a precursor of coenzyme A.)...

You are given a sample of limestone, which is mostly CaCO3, to determine the mass percentage of Ca in the rock. You dissolve the limestone in hydrochloric acid, which gives a solution of calcium...

Does ascorbic acid (vitamin C) have a D or Lconfiguration? HO . C=0 Ascorbic acid . -H - CH2OH

4. A particularly math-savvy sumo wrestler wanted to adhere to a strict diet to maintain his weight and strength. Table 3 lists his desired nutritional intake for one day. The entries in Table 3 are...

BREAKFAST GONE BAD, the case of Kellogg's rice Krispies Table I Nutritional analysis of Kellogg's breakfast cereals Position Cereal Energy Fat (g) Carbs (g) Sugar (g) BREAKFAST GONE BAD ... the case...

any help would be great!! mostly the lewis structure and geometry, intermolecular forces. ere can I find this Essential Vitamin? The Problem You have the skeletal connectivity of Vitamin B5...

The freezing point of an aqueous solution containing pantothenic acid (M=205.3 g/mol) is-0.43C. Calculate the osmotic pressure at 18C, at which the density of the solution is 1.014 g/mL. Assume...

Current Attempt in Progress An aqueous solution containing 0.924g of a sugar in 100mL of a solution has an osmotic pressure of 1.26 bar at 25.0C. What is the molar mass of this sugar? Current Attempt...

Vitamin B-5, pantothenic acid, has the structure shown below. Base hydrolysis of this compound followed by acidification gives two compounds. Draw their structures. H CH3H O H-0--------C-O-H H CH3...

Consider the following terms for match with statements related with enzyme regulation (Questions 61-63) 1. II. III. allosteric enzyme, a zymogen, covalent modification 61. An end product attaches to...

Kicvarom Plc is considering the manufacture of a new product. The company has existing buildings that could be sold to buyers for 120,000. The balance sheet records the building as having a value of...

Express the following ratios in its lowest terms. 6 8

Question 1 7 ( 0 . 5 points ) Gutav Foods has operating income of $ 2 3 4 4 0 0 and a 0 . 3 5 tax rate. The firm has short - tenm debet of $ 1 4 4 8 0 0 , long term debt of $ 3 1 2 2 0 0 , and common...

Compare bonus packs and price-off deals in terms of consumer impact.

A mixture of 4.0 g H 2 (g) and 10.0 g He(g) in a 5.2 L flask is maintained at 0 C. (a) What is the total pressure in the container? (b) What is the partial pressure of each gas?

A 2.00 L container is filled with Ar(g) at 752 mmHg and 35 C. A 0.728 g sample of C 6 H 6 vapor is then added. (a) What is the total pressure in the container? (b) What is the partial pressure of Ar...

Which actions would you take to establish a pressure of 2.00 atm in a 2.24 L cylinder containing 1.60 g O 2 (g) at 0 C? (a) Add 1.60 g O 2 ; (b) Release 0.80 g O 2 ; (c) Add 2.00 g He; (d) Add 0.60 g...

J. Smythe, Inc., manufactures fine furniture. The company is deciding whether to introduce a new mahogany dining room table set. The set will sell for $6,400, including a set of eight chairs. The...

The face value of a bond is $68,000, its stated rate is 7%, and the term of the bond is five years. The bond pays Interest semiannually. At the time of issue, the market rate is 8%. Determine the...

Rubenstein Bros. Clothing is expecting to pay an annual dividend per share of $0.95 out of annual earnings per share of $3.25. Currently, Rubenstein Bros.' stock is selling for $17.50 per share....