Regina studies how the rainfall for the month of August this year compares to previous years' rainfall in August. She tells her science teacher she is conducting
an experiment on rainfall totals in August. What is her error?

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars