A solution of 00041 m of an unknown acid has a ph of 3195
A solution of 0.0041 M of an unknown acid has a pH of 3.195. Calculate the Ka value for the unknown acid, HA.
This was my exam question and I got it wrong. My answer : 1.31*10^-2
Expected delivery within 24 Hours
A certain substance, intially present at 0.950 M, decomposes by first-order kinetics with a rate constant of 1.25 x10-2 mol m-1 s-1. calculate the time (in seconds) required for the system to reach a concentration of 0.431M
A torque of 18 N-m is applied to a rotating part. The moment of inertia is 0.078 kg-m2. How much time (in seconds) will it take to rotate the part 180°?
Which of the following is not one of the four conditions that normally must be met for revenue to be recognized according tothe revenue principle for accrual basis accounting?
Ddesign a program that calculates the total amount of a meal amount of a meal purchased at a restaurant. The program should ask the user to enter the charge for the food
The quantity of charge q (in coulombs) that has passed through a surface of area 1.90 cm2 varies with time according to the equation q = 8t3 + 8t + 6, What is the value of the current density
A small gasoline engine can put out 18,000 N-m/min of mechanical power. The engine is used to drive an electrical generator that is 80 percent efficient. 1 N-m = 2.78 X 10-4 W-h. Find the output of the generator in Watts.
What is the pH of a solution created by mixing 368.0 mL of 0.175 M Hydrochloric Acid, HCl, with 231.0 mL of 0.318 M Sodium Hydroxide, NaOH?
Why is a knowledge of accounting concepts and terminology useful to anyone in a business activity? Is there a difference between bookkeeping and accounting? Discuss.
1923912
Questions Asked
3,689
Active Tutors
1414345
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
When working with students with autism spectrum disorder (ASD) and as you consider the ethical standards of practice,
Create a post answering the following questions. What thoughts or questions arise for you when you think about infants born into poverty?
Sonia is now an adolescent, and she has been going through some changes in personality, emotions, view of herself, social skills, interpersonal relationships
Question asks about the two main exceptions of a quasi-experimental design being structured similar to an experiment
Problem: The trait approach to personality: Focuses on specific consumers traits as motivators of consumer behavior.
Problem: Which of the following was NOT a treatment option for those with mental illness in the 16th and 17th centuries?
According to Erikson's theory, identity development is an important process for adolescents; failure to establish identity during this stage