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Mr James an 80 year old man has approach into the clinic grumbling this morning about having to receive a flu shot every year. You know that viruses have a high mutation rate change genetically rapidly, which results in the appearance of new proteins on the flu virus's "coat". Explain how does this help define why Mr James needs to get a flu shot each year?
calculate the concentrations of the protonated and unprotonated forms of bromothymol blue in 100 ml of a ph 8.1 buffer
Determine the volume of a 0.530 M KMnO4 solution required to completely react with 2.70 g of Zn.
Does this verify that only a single detergent compound is in the extract. What specifically can you do to gain more information about the composition of the shampoo extract
If the reaction N2(g) + 3H2(g) ! 2NH3(g) is carried out at constant temperature and pressure, how much H2 is required to react with 6.4 L liters of N2.
Two vessels are labeled A and B. Vessel A contains NH3 gas at 70°C, and vessel B contains Xe gas at the same temperature. If the average kinetic energy of NH3 is 7.1 10-21 J/molecule, calculate the mean-square speed of Xe atoms in m2/s2.
The amount of nitrogen in an organic subsxtance can be determined by an anlytical method called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammonia.
The concentration of carbonate ion (CO32-) is 1.2 x 10-7 M. The precipitation of CaCO3 is favored under conditions in the ocean. If all of the CaCO3 precipitated what would be the concentration of the excess reactant
I do not understand how to draw the skeletal structure of (CH3)3CCH2CHC(CH3)2 and (CH3)2CHCHCHC(CH3)3
why vanderwaals equation of state is not well defined in 1 dimension. and what is ratio of critical constants in 2 dimension and 3 dimension.
Specified that 1 gallon = 3.7854 L, 1 kg = 2.205 lb, water has density 0.997 g/mL as well as freezing-point depression constant, kf of 1.86 oC kg mol-1, as well as the resulting sodium-chloride solution has a density of 1.179 g/mL, Explain what is..
Which of the following pairs has about the same atomic radius?
Methanol burns in oxygen to form carbon dioxide and water. Find delta Hrxn,Srxn, and Grxn all at 25 degrees celsius
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