The united states department of treasury estimates there is $70 million dollars of counterfeit bills in circulation, as of september 2019. therefore, approximately there is one counterfeit bill for every 10,000 genuine bills. suppose bill gates withdrew his entire $104.5 billion dollar fortune in $100 bills. calculate how much of his $104.5 billion dollars would be counterfeit money.

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

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.

How can you use chemical equations to predict the products of the reaction you can carry out?