Why is phenol a weaker acid than ethanoic acid (acetic acid)? Why does an oil-and-vinegar salad dressing have two separate layers? Why is acetic acid considered a weak acid? Why is bicarbonate buffer system important? Why does the sedimentary rock limestone react with HCl acid?
Even in modern times many people are skeptical that psychology is really a science. To some degree this doubt stems from the fact that many psychological phenomena such as depression, intelligence, and prejudice do not seem to be directly observable in the same way that we can observe the chan...
The chemical ingredients identified around the protostars, known as IRAS 2A and IRAS 23385, are tied to habitable planets and familiar parts of life on Earth: margaritas, vinegar and ant stings, NASA said. Astronomers used Webb's mid-infrared instrument to identify icy compounds made up ...
Brearly wanted to call the material “Rustless Steel,” but Stuart named it “Stainless Steel” because of its ability to resist staining after being exposed to a vinegar solution. Also, while Brearly lays claim to the discovery of stainless steel, others are touted to have discovered it ...
(ii) Suggest why vinegar is not effective against wasp stings " For part (i), if bee stings are acidic, then sodium hydrogencarbonate should be alkaline? Am i right??? For part (ii), I don't know. So I'm asking here... Dont acid and alkalis neturalise!!
Why is chemical analysis important? Why is vinegar a weak acid? Why does salt crystallize? Why is chloroacetic acid stronger than acetic acid? Why is ammonia a base? Why must standardized cuvettes be used with a spectrophotometer? How is titration used in the food industry? Why did addition ...
It isn't difficult to clean dull pennies. All you have to do is immerse them in a solution if water, vinegar and salt. The acetic acid in vinegar that dissolves copper oxide, and adding salt speeds up the process. Corroded pennies usually turn bright again in less than a minute. You ...
Choose cleaning supplies made with natural ingredients rather than synthetic chemicals. Vinegar is one of the best natural cleaners, and I have a tutorial onwhat vinegar is best for cleaning. While you can buy non-toxic and natural cleaning supplies at the store, they are surprisingly easy to ...
“We’re going to get some blood work done, and then a complete dietary check.” * Two weeks later * Nutritionist: “Wow, your blood is purer than the Virgin Mary.” Me: “Really? So what’s going on?” And from there, the story is the same – she gave me the universal mainstr...
Neither animals nor plants want to be eaten — unless it’s to their advantage (we’ll get to that in a moment). Animals fight or run when you try to kill them. But plants can’t run, and their ability to fight is limited to the use of chemical weapons in the form of toxins, ...