99.9999999%
600ml
It depends on the liquid. At room temperature and sea level 600ml of water weighs 600g. 600g is 1.3lbs. If your 600ml is denser than water then it'll be more, if it's less dense it'll be less.
beer buttermilk bottled water black coffee black tea
About 150psi
the water in the coffe does. not the coffe itself
Coffee is a homogeneous mixture (assuming it has been well-stirred), as the mixture has a uniform composition throughout. Dividing the mixture into macroscopic parts, each part will have the same composition as the original mixture.
With Nescafe and hot, not boiling water, but no milk or cream.
pH of 5. This answers is correct assuming you brew your coffee with distilled water or "pure water" as it can be referred to. However most, if not all, municipal water and some rural water systems have acidic water that comes out of the tap. even if you filter this water there may still be some residual acidic properties. Normal black coffee tends to have a pH in the range of 4.3 to 5.0
Instant, freeze dried coffee will dissolve in water, the hotter the water, the faster the coffee dissolves. Regular coffee made from coffee beans, will not dissolve in water, instead hot water will get the flavor (oils and alkaloids aka caffeine) and aroma(oils) from coffee, and disperse it in the water; leaving the coffee grounds behind to be disposed.
The glass could have traces of magnesium in it which when combined with hard water would create magnesium-oxide. This chemical change would turn the water black.
Boiling water and the saliva of the black woman that chewed up the beans and spit them in the cup.
Yes, im anorexic & all i drink is water & black coffee. Its calorie free & it gives you that energy that you dont get from food. If you drink flavored coffee, theres tons of calories in there so i stick with black.