How does the acidity of water affect the mass of seashells that have been submerged in it overnight? ? i need a balanced chemical equation for the calcium carbonate shells reacting with hydrochloride acid

Why does a red shoe appear red in daylight

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

Which of these conditions most likely produces an unstable isotope?