Chemistry, 03.05.2021 21:00 isabellatessa86
Why are substances such as coal and gasoline used as fuel sources?
A. They have high kinetic energy, which can be converted into electrical or mechanical
energy
B. They have large amounts of energy stored in the chemical bonds which can be
converted into kinetic energy when combusted
C. They are able to easily make endothermic reactions, which can be harnessed and
converted into mechanical energy
D. None of the above statements are true
Answers: 2
Chemistry, 22.06.2019 12:00, zamariahyou
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
Chemistry, 22.06.2019 17:00, emma3216
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
Answers: 1
Why are substances such as coal and gasoline used as fuel sources?
A. They have high kinetic energ...
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