Calculate the ph after addition of 42.0ml of koh
A 84.0mL volume of 0.25 M HBr is titrated with 0.50 M KOH. Calculate the pH after addition of 42.0mL of KOH.
Expected delivery within 24 Hours
75.00 mL of an aqueous solution of formic acid is titrated with a 0.150 M aqueous solution of NaOH. It is found that 21.25 mL of the NaOH solution is needed to reach the equivalence point. Formic acid has a pKa of 3.74. Calculate the pH when 10.00
What were the efforts toward peace during the early 1900's?& ;How did nationalism and international rivalries lead Europe to War?& ;
Write the half-reactions for the following redox reaction 2Li + H2 -> 2LiH
A 47.6-cm diameter disk rotates with a constant angular acceleration of 2.4 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis
Water flows over Victoria Falls, which is 128 m high, at a rate of 1.4 x 106 kg/s. If half the potential energy of this water were converted into electric energy, how much electric power would be produced by these falls?
Show the movements of the electron pair that occur to form the product. Which reactant is the lewis acid? Which is the Lewis base? how do you know?
Calculate pH and pOH of .050 m solutions of H2CO3 and Al(h20)63+
Methane has a heat of fusion of 0.84 kJ/mol and a heat of vaporization of 9.2 kJ/mol. Estimate the value for the heat of sublimation.
1949872
Questions Asked
3,689
Active Tutors
1456803
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Identify 1-2 developmental challenges that baby Jane may exhibit as a result of parental substance abuse.
How do you establish trust with others? Please provide a specific example that illustrates your approach. Why do you use this approach?
Examining the audience demographics and psychographics can help formulate an approach that will help your audience know what the problem is
Problem: Which of the following student characteristics causes an increase in the use of metacognitive strategies?
The steps in the process of family intervention include 6 steps. The steps include, assessment, goal setting, planning, intervention, evaluation, and follow-up
What are developmental milestones? Skills all children develop at the same time A Skills all children must have by kindergarten
Grant's mom tells him to take out the trash tomorrow morning before he leaves for school. She tells him not to be absentminded and forget