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.
1925296
Questions Asked
3,689
Active Tutors
1452557
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Most frequent visual hallucination is seeing blood and bleeding animals and body parts. Paranoid or fearful someone is going to hurt her.
During the third one, she was diagnosed with schizophrenia and placed on Risperdal (risperidone) 2 mg BID. No hospitalizations or therapy
Your grandparents have been married for 50 years. They go everywhere together. You have caught them kissing when they thought they were alone
In middle-adulthood, multiple role involvement predicts positive well-being, more trusting and positive relations with others,
what you've been learning about John Gottman's research on making relationships work and the differences
Your response needs to be well-developed by providing clear answers with evidence of critical thinking and adding greater depth to the discussion
Bradley is a new college student and he argues with his psychology professor about how children should be raised. He explains