An unknown substance has a density of 2.5g/ml. Is this a physical or
chemical property? How do you know?
1 point
Density is a chemical property because every substance has a unique density that we
can use to identify it.
Density is a physical property because we can find it for a substance without
changing the identity of the substance.
O Density is a chemical property because all chemicals have a density.
O Density is a physical property because we can measure it.
Answers: 2
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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
An unknown substance has a density of 2.5g/ml. Is this a physical or
chemical property? How do you...
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