Methane (CH4) and oxygen (O2) combine to form water (H2O) and carbon dioxide (CO2). The balanced chemical equation is below. CH4(g) + 2O2(g) → 2H2O(g) + CO2(g) If 2.8 moles of water form during this reaction, how much methane was consumed?

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added

Food can lose electrons to air. this loss of electrons can create free radicals that destroy chemical bonds, hence spoiling the food. which term describes this process?

The smallest species of chameleon is found only on an island in madagascar the island has unique geological and climatic conditions that are essential for the chamaeleon to survive the chamaeleon was recently declared an endangered species years from now why won’t this chameleons remains make for a good index fossil