A 19.8-g sample of ice at -11.4°C is mixed with 113.8 g of water at 80.0°C. Calculate the final temperature of the mixture, assuming no heat loss to the surroundings The heat capacities of H2O(s) and H2O(l) are 2.03 and 4.18 J/g.°C, respectively, and the enthalpy of fusion for ice is 6.02 kJ/mol.
Final temperature
PC
Submit Answer
Retry Entire Group
5 more group attempts remaining

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.

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Draw metallic bonding if two copper