The ph of a 010 m nicotinic acid solution is 293 what is
The pH of a 0.10 M nicotinic acid solution is 2.93. What is the approximate value of Ka for nicotinic acid, HC6H4NO2? Assume small percent dissociation. pH = ?log10[H+].
Expected delivery within 24 Hours
If a sample for BOD needs to be diluted by a factor of 0.02 , calculate the volume of sample that will be used in the BOD bottle
Explain the effect of the following experimental errors on your results: a) You add hexane to the reaction flask instead of 1-hexene b) You use 3% hydrogen peroxide instead of 30% c) You forget to add potassium carbonate in the seperation step.
Given the initial effective stress state at a point within a soil mass (s_y=2.5 daN/cm2, s_x=1.5 daN/cm2, t_xy=t_xy=0.4 daN/cm2) and effective soil shear strength parameters at the same point
The next three questions relate to voice communications. Note that this topic was not covered in the class, but it is included to encourage self-learning. research, and analysis.
Iron can exist in the FCC or BCC structure. For FCC iron, the crystal lattice parameter is a=0.3515nm and the atomic packing factor is 0.74. In an FCC structure, iron atoms have an atomic radius of 0.1263nm.
Benny the Barber owns a one-chair shop.
It takes 151 kj/mol to break an iodine-iodine single bond. Calculate the maximum wavelength of light for which an iodine-iodine single bond could be broken by absorbing a single photon.
A structural element subjected to cyclic loading is made of fc' = 3000 psi concrete. Compressive stresses are changing between 2200 psi and 1600 psi. The frequency of loading is 8 Hz.
1939779
Questions Asked
3,689
Active Tutors
1459104
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Identify one key relationship you have currently in your life (My mom, and we have a great relationships). What is that person and how would you describe that
According to Freud's Psychosexual Development, which stage are Jeffrey's symptoms consistent with?
Question: George's behavior may be less about the specific substance and more about replacing a deeply ingrained ritual.
1. Explain the controversy that surrounds personality and paraphilic disorder. 2. Explain your professional beliefs about this disorder, supporting
Take on the perspective of someone engaged in recruitment for human trafficking (such as a trafficker, pimp, or recruiter).
Some factors that contribute to a child being accepted or rejected by their peers can be their communication skills such as how the listen and respond to peers.
Question: You may not have alignment between your personal purpose and the corporate purpose in every job.