When 2.5000 g of an oxide of mercury, (hgxoy) is decomposed into the elements by heating, 2.405 g of mercury are produced. calculate the empirical formula.

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.