Discuss when the acid is added
A buffer contains 0.1500 M KNO2 and 0.2000 M of HNO2. Describe the pH after the 0.0020 mol of HCL is added to the 250 ml of this solution.(Assume there are no volume changes when the acid is added.)
Expected delivery within 24 Hours
Explain which of the three reagents used in your synthesis of Alum experiment was the limiting reactant (1.5 M KOH, 4.5 M H2SO4 or the Al)? Calculate the spectrographic electron configuration for Li?
Explain how would you prepare 150.0 ml of a buffer having a pH of 7.05 using solid sodium hydrogen phosphate and solid sodium dihydrogenphospate?
100.0 ml of a buffer consists of the 0.20 M NH3 and 0.01 M NH4Cl (pKb of NH3=4.75) Determine the change in pH of the solution after the 25.0 ml of 0.10 M of HI has been added?
Assume that the mean score on this test is 75.6 with standard deviation of 7.8. Assume also that the scores follow bell-shaped distribution.
Test at the 1% level the null hypothesis that population proportions are equal against the alternative that the higher proportion of French have a positive attitude towards car salesmen.
Determine the binding energy (in MeV/nucleon) for the following nuclides: Copper-63 ( which is having the atomic mass = 62.93960 amu)
Estimate the molarity of HClO4 when the 15.34ml of .2345 M NaOH is needed to reach the equivalence point for the titration of 10 ml sample of HCLO4?
Assume you're given data from survey showing the IQ of each person interviewed and IQ of his or her mother. That is all the information you have. Your boss has asked you to put together report showing the relationship between these two variables.
1958127
Questions Asked
3,689
Active Tutors
1454077
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
The after school program director wants to learn more about the strengths and weaknesses of the program for children with learning disabilities.
Cultural representation in (social media This week we learned about the various ways that media influences our beliefs about other groups through representation
The steps in the process of family intervention include 6 steps. The steps include, assessment, goal setting, planning, intervention, evaluation, and follow-up
Why did the authors include multiracial emerging adults in their study? Describe the difference between direct and indirect mental health help seeking
After only two weeks on the job, Luka quits, disillusioned. Which of the following best describes what Luka experienced?
Select a target behavior of your own (or ask for permission to record a friend's/family member's behavior), and conduct an ABC assessment.
Dr. Jones believes that, in individuals diagnosed with dissociative identity disorder, different alternative personalities appear during adulthood