Other Chemistry Answers

A nugget of gold with a mass of 521g is added to 50.0ml of water. the water level rises to a volume of 77.0mL. what is the denisty of the gold?

An adult patient that weighs 200lbs. was given 970mg of aspirin to reduce a fever, in the hospital. since aspirin is percribed at a dose of 6.5 mg per kilogram of body weight in adult, how much aspiring should the patient have received?

A dose of aspirin of 5.0 mg per kilogram body weight has been percribed to reduce the fever of an infant weighing 8.5 pounds. the number of milligrams of aspirin that should be admininstered is

Mass of test tube & 250mL beaker 130.729g. Mass of test tube compound A 131.756g. Heat test tube and compound A. Mass of test tube 250 mL beaker and compound B 131.369g Add 2mL concentrated nitric acid to test tube and heat. Add 2mL of HNO3 and heat. Mass of test tube 250mL beaker compound C (CuO) 131.071g. Mass of test tube 250mL beaker and copper 130.997g.

Using your experimental data calculate: mass of copper in compounds A,B,C. Mass of other element in compound A and B. Mass of oxygen in compound C.

How do you find the formula of cadmium nitride? i know the answer is Cd3N2 but i keep getting cd5n2

what is the molar mass of ATP in grams per gram

if 12.56g of H3PO4 was produced what is the percent yield

An average human adult takes about 15breaths per min and exhales 23ml of co2 with each breath. If your trapped in a cave with pressure .963atm and 11C and your only source of oxygen is a breathing device containing 1kg of KO2 , how long do you have to live?

A 878 mL aqueous solution contains 0.0314 mol of HCl. What is the pH? Give your answer to 3 significant figures.

two samples of carbon tetrachloride were.decomposed into their constituent elements. one sample produced 38.9g of carbon and 448 g of chlorine, and the other sample produced 14.8 g of carbon and 134 g of chlorine. Are these results consistent with the law of definite proportions? Show why or why not.