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Are all acid-base reactions corresponding acid-base pairs?
What does the pKw value (negative decimal logarithm of the ionic product of water) indicate? Is it the concentration of OH- and H3O+ ions in H2O, or is it something else? I also wanted to ask: Does the ion product have any other use outside the equilibrium constant? Thanks in advance!
Disadvantages of enzymes in industry?
ByLevin808
Good morning, I was given the following task in chemistry: Evaluate the possible uses of enzymes in industry. I'm also supposed to weigh the advantages and disadvantages. I've found many advantages, but no disadvantages. Can anyone tell me some of the disadvantages? Or provide sources where I might find information about them. VG
Calculate flow velocity?
Hi, once again I have a problem understanding this. I can understand everything so far, but the formula for v is Q/A like this, and why is the solution now calculating 23 × 4 hours again? And the second question is if I convert the diameter of the pipe into m it is 0.1 m…
Soda and hydrochloric acid – the symbol for corrosive..
Spititus – the symbol for this combustible, dangerous.
LA
In order to obtain information on the risks arising from certain substances, I recommend GESTIS, the Hazardous Substance Database of the Institute for Safety at Work of the German Legal Accident Insurance.
https://gestis.dguv.de/search
Alternatively, you can also check the substances on Wikipedia, where you can also see the corresponding GHS symbols and H and P sentences.
~ John
You can find them on the bottle labels.