A solution of potassium chromate is prepared at ph 772
Chromic acid is a diprotic acid H2CrO4 with Ka1 = 0.18 and Ka2 = 3.2 x 10-7. A solution of potassium chromate is prepared at pH 7.72. Calculate the fraction of the total chromate in this solution that is present as the chromate ion CrO42-.
Expected delivery within 24 Hours
Solve for the unknown number of years in each of the following (Enter rounded answers as directed, but do not use the rounded numbers in intermediate calculations. Round your answers to 2 decimal places (e.g., 32.16)).
A mixture of 65 mol% methane, 30 mol% hydrogen, and 5 mol% nitrogen is burned to heat a boiler used to produce hot steam. The ratio of CO2 to CO in the exhaust gas is 10:1.
The force on a long wire is a maximum of 6.20 10-2 N when placed between the pole faces of a magnet. What type of magnetic pole is the top pole face
A solution of potassium chromate is prepared at pH 7.72. Calculate the fraction of the total chromate in this solution that is present as the chromate ion CrO42-.
Carboxylic acids and phenols can be separated by chemically active extraction if the pH of the aqueous layer is properly chosen. Phenols are sufficiently acidic to be extracted into aqueous sodium hydroxide
Rotational and stray-lossesat full load are 5% of the output power. Calculate the power transferred across the air gap, the rotor copper loss at full load,and the electromagnetic torque at full nload innewton-meters.
Calculate the future value of the investment. You must use the advertised interest rate, the number of compounding periods per year, and the time the funds will be invested.
What is the phase difference in a circuit with 100V,drawing 0.5 amps, consuming 50 Watts
1927342
Questions Asked
3,689
Active Tutors
1434925
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Write a letter to the editor on land pollution that threatens the health of individuals living in Guyana, and clearly define the problem.
In this unit, you will learn about physical development in middle childhood and adolescence. In middle childhood, we see important physical changes
Question: Describe your ideal PMHNP position with details of duties and responsibilities in a correctional facility
You are the HIM Director and Compliance Coordinator at Midwest Regional Health Center. The C-suite at your facility has instructed you to tell your staff
How to make a short discussion with reference and citations. Research Design, Statistical Methods, Variables, Setting/Population/Sample for each of the articles
Question: What is used to track the specimen from the surgical unit to the pathology department?
How would I respond to this discussion in casual language and please make sure his conversational without AI detection.