Os nanoputins são parte de uma série de moléculas cuja forma estrutural lembra a forma de uma figura humana. Analise o nanoputin acima e responda o que se pede: a) nome oficial da molécula b) quantos carbonos primários, terciários e quartenários existem

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

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