Physics, 18.09.2019 11:00 madelineb6243
An atom has no electrical charge because .a. the number of protons is equal to the number of neutrons. b. the number of neutrons is equal to the number of electrons. c. the number of protons is equal to the number of electrons. d. all of the above
Answers: 2
Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 22.06.2019 15:50
How many neutrons does plutonium -196 with an atomic number of 78.
Answers: 3
Physics, 22.06.2019 16:50
Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
Answers: 1
An atom has no electrical charge because .a. the number of protons is equal to the number of neutro...
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