Stomach acid is not hot, it is the same (approximately 37oC) temperature that your body is naturally. It is a acid with a pH of about 1 to 3. This is about as acidic as common substances like lemon juice, soft drinks like colas, and vinegar. These levels of pH can dissolve the foods we eat, but due to the stomach's specialized structure (it has mucus secreting glands which protect its lining) it can hold and mix the foods without harm to itself.
Acid is usually at the same temperature as its surroundings. Acid does not burn you because it is hot, but because it causes chemical reactions with the skin. Many acids to release heat when they react, but temperatures usually will not rise above the boiling point of water.
no
180g/L in hot water
No, but it can burn through things.
While it would lower the pH, sulphuric acid is a strongly oxidizing acid too that will burn organic materials (flesh) and is thus not safe for use in pools and hot tubs. Use only hydrochloric acid (sold as muriatic acid in stores) for the purpose of reducing pH in a pool or hot tub.
Salicylic acid does not dissolves very easily in hot and cold water. This acid is widely used in acne medicine. It is derived from the bark of the willow tree.
no
There is no acid rain on mars.
Hot Aqua Regia
180g/L in hot water
hot acid springs
no
No, but it can burn through things.
While it would lower the pH, sulphuric acid is a strongly oxidizing acid too that will burn organic materials (flesh) and is thus not safe for use in pools and hot tubs. Use only hydrochloric acid (sold as muriatic acid in stores) for the purpose of reducing pH in a pool or hot tub.
Salicylic acid does not dissolves very easily in hot and cold water. This acid is widely used in acne medicine. It is derived from the bark of the willow tree.
Only as hot as it is outside. The burns associated with it are chemical, not thermal.
Hot Dilly beans are an example of lactic acid fermentation.
alkali