The ka of acetic acid is 18 x 10-5 please show the
The ka of acetic acid is 1.8 x 10^-5. Please show the calculations for the preparation of 100 mL of an acetic acid - sodium acetate pH 5.0 buffer using .10 M acetic acid.
Expected delivery within 24 Hours
A 50HP single phase motor operates from a 480V, 60HZ supply. When delivering full rated power the motor efficiency is 89% and the power factor is 0.78 lagging. Determine the full load current.(Hint: 746W=1HP)
A large reel of paper installed at the end of a paper machine. d1 = 2m, J = 1000kgm^2, n1 = 60rpm, Tension on Paper = 1000N. Calculate: a. Motor power when the reel turns at 60rpm. b. Torque to increase speed to 120 rpm in 10 seconds
Write the reaction equation showing structural formulas for the formation of an ester from 2-methyl-1-butanol and acetic acid?
Consider the by products that might be formed by E1 and/or E2 processes in the reaction of 2-methyl-2-butanol with HCl. a. Provide structures for these products
Strychnine, C12H22N2O2, is a weak base. An aqueous solution of 0.0515 M strychnine solution has a pH of 10.48. What is the Kb for strychnine based on these measurements?
calculate the concentrations of h+, oh-, f-, and undissociated hf molecules in 0.10 M hf. Ka for HF is 7.1x10^(-4).
1. a nichrome wire 12 ft long and .011 inch diameter conducts 1.83A when 120v are applied. what is the resistivity of nichrome 2. Copper windings of an electric motor at room temperature of 25 degrees C has resistance of .20(r).
A 4.16 g sample of ascorbic acid is titrated with 0.83 M red dye. What volume of red dye is required to reach the endpoint? Molar mass of red dye =267.08 g/mol; molar mass of ascorbic acid =176.12 g/mol
1945440
Questions Asked
3,689
Active Tutors
1452095
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Please define your personal physical boundaries through providing examples of what they are and how you reinforce them
which we experience as unpleasant (Pastorino & Doyle-Portillo, 2022). This method of coping focuses on regulating these unpleasant emotions.
What is the definition of the adult life cycle? Multiple choice question. the stage of life when a person becomes an adult the stages in the family
Question: Which of the following is true about introversion and the internet according to Susan Cain?
The after school program director wants to learn more about the strengths and weaknesses of the program for children with learning disabilities.
Question: Which of the following is true regarding the alternative DSM-5 model for personality disorders?
Thomas langurs continue to make danger calls until all of the members of their group respond with a countercall. Which of these two accounts