A 70g chunk of metal at 180C was dropped in a bucket containing 400g of water at 25C. The final temperature of the mixture was 28C. What is the specific heat capacity of the metal

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 best describes why nh4+ can form an ionic bond with ci-?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure