A factory produces a certain chemical at a rate of 3.5 grams per second. How many kilograms of the chemical are produced each hour? 1 kilogram = 1.000 grams
1 hour = 3.600 seconds
Express the answer to the correct number of significant figures.
The factory produces
kilograms of the chemical per hour.

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.

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.