Were astrologers and alchemists from pre-modern times the intellectual forebears to contemporary scientists?
How much real science was behind medieval times astrologers and alchemists? Hollywood has glamorized, but also mocked, those professions in fantasy and medieval movies. I'm wondering how much modern-day chemistry and science we can trace back to them?...
Ammonia and bleach makes chlorine gas. What other household chemical combinations can be dangerous?
Combining any sort of household cleaning agents is inadvisable, but it is easy to use more than one on different surfaces while cleaning the same room. This alone can cause toxic vapors, even when used in small quantities. Ammonia and bleach is the most well-known combination, but I’m sure the...
Biochemistry lipid metabolism
when excess atp in the cell, one molecule of arachidonic acid will yield molecule of ATP as (high energy bond) a 153 b 165 c 155 d 35 Please with saying the purpose of choosing the answer....
Chemistry Ideal Gas Law
A gas sample of 5 moles, has a volume of 95 L. How many moles of the same gas should I add to obtain a volume of 133 L at the same temperature and pressure....
Chemistry Stoichiometry mass to mass calculations
I need helps with my homework I don't know how to do it !...
How do I measure the UV absorbency of Zinc Oxide that are not nanoparticles
I’m trying to determine the SPF of zinc oxide using the Mansur equation but the chemical compound I have are not nanoparticles, they are just analytical grade zinc oxide. ...
What chemically/moleculary makes the difference between ibuprofen and acetaminphen?
What makes ibuprofen and acetaminophen work differently in the body?...
