A boy inflated a bunch of balloons while he was outside with an ambient temperature of 26oC. He then took the balloons inside his air-conditioned house where the temperature was 20oC. What do you think happened to the balloons?

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 element would mostly likely have an electron affinity measuring closest to zero

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?