Chemistry, 27.10.2020 17:50 birdman2540
14.
Living systems follow the Law of Conservation of Energy. Which of the following statements does NOT summarize a key idea of this law?
A.
During an ordinary chemical reaction no energy is created.
B.
Energy can be changed in form during a chemical reaction.
C.
During an ordinary chemical reaction no energy is destroyed.
D.
Energy can be destroyed during an ordinary chemical reaction.
Answers: 3
Chemistry, 21.06.2019 16:00
If the same amount of cacl2 is added to equal volumes of water and maple syrup, which will have the higher temperature?
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Chemistry, 22.06.2019 10:50
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
Answers: 1
Chemistry, 22.06.2019 14:30
Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers
Answers: 1
Chemistry, 22.06.2019 17:00
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
14.
Living systems follow the Law of Conservation of Energy. Which of the following statements does...
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