A compound found in an oil extracted from the leaves of a tree is isolated for study. It is found to contain carbon, hydrogen, and oxygen. Combustion analysis determines that the compound is 77.87% C and 11.76% H. What is the empirical formula of the unknown compound?

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

Which statement would indicate the presence of an acid