WILL GIVE BRAINLIST IF CORRECT PLS HELP ASAP What is the percent yield if 20 grams of hydrogen is reacted with 32 grams of oxygen and produces 9 grams of water?
H2 + 1/2 O2 -> H2O

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:

Is a chemical message sent by another individual.