Immunology/ serology
What is the difference between an antigen and an immunogen? The way I'm understanding it, an antigen is a part of the immunogen but is not necessarily an immunogen in and of itself. An antigen may not be able to ellict an immune response. Is this correct?
Chemistry-PLease help!
What is the density of CO2 gas at -25.2 degrees celsius and 98.0kPa?
chemistry-URGENT!!
A sample of ammonina gas at 65.5 degrees celsius and 524 torr has avolume of 15.31 L. What is it's volume at -15.8 degrees celsius and its pressure is 524 torr?
chemistry
A sample of ammonina gas at 65.5 degrees celsius and 524 torr has avolume of 15.31 L. What is it's volume at -15.8 degrees celsius and its pressure is 524 torr?
chemistry
What is the density of CO2 gas at -25.2 degrees celsius and 98.0kPa?
Chem for final, please help!
How many moles of H+(aq) ions are present in 1.25 L of 0.75M Nitric Acid? A. 0.60 mol B. 0.75 mol C. 0.94 mol D. 1.7 mol E. 1.9 mol Please show me how to work this!
chemistry
Ok, I really need to know how to work problems like these so could someone please show me how to set it up?! Given this data: 1. C(graphite) + O2(g) produces CO2(g), delta H = -393.5 kJ 2. H2(g) + 1/2 O2(g) produces H2O(l), delta H = -285.8 kJ 3. Ch3OH(l) + 3/2 O2(g) produces ...
chemistry Please help!
I have a big exam tomorrow. Can anyone tell me any easy way to figure out the 4 quantum numbers, n, l, ml, and ms. i still get confused especially with the n and ml!
chemistry
So adding of removing the electrons gives all of them 18 elctrons like Argon except for V3+, correct? Thsi makes it the non-isoelctric species? It wasn't explained to me this way and this makes it much easier to see. Thanks!
chemistry
which of the folllowing species is not isoelctric with any of the others? a)V3+ b)Ca2+ c)Ar d)CL- e)S2-
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