CH 4 + 2O 2 -> CO 2 how many moles of oxygen are necessary to react completely with 5.5 moles of CH^4 please show work asap :(

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology