Aglass container was initially charged with 4.50 moles of a gas sample at 3.75 atm and 21.7
some of the gas was released as the temperature was increased to 28.1 °c, so the final
pressure in the container was reduced to 0.998 atm. how many moles of the gas sample are
present at the end?

Someone, part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.

The identities of substances are the same before and after which type of change

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