CHEMISTRY:
Do FDA regulations permit a dilute solution of reagent grade acetic acid to be used why? why not? PLEASE HELP?
Do FDA regulations permit a dilute solution of reagent grade acetic acid to be used in a place of naturally fermented vinegar? Why or why not? Thank you in ...
CHEMISTRY HELP! -Electrochemical cell(battery) help plss!?
In the picture, which electrode will the electrons flow? Why? Is my guess right? (When one electrode has a higher voltage the electrons will flow there.) What is the meaning of oxidizing and reducing agent? How to identify them? Fe+2 is -0.44V and ...
Question about calculating the abundance of an isotope?
How would you do this? 85^Rb has a mass of 84.9118 amu. 87^Rb has a mass of 86.9092 amu. Determine the abundance of each ...
What is the ground state electron configuration of He2^ and He2^2?
I'm a bit confused as to what I'm suppose to do. So far, I have He2^+ as having a configuration of 1s^1 but I'm not sure if I did that right or not. Can someone help me with this? An ...
Why are electronic energy levels the most widely spread and transnational are the closest?
Just an exam question im stuck on full question : Explain why the electronic energy levels are usually the most widely separated, and the translational energy levels are the ...
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