What is the enthalpy for the reaction
represented in the following energy
diagram?
+200 kJ
+350 kJ
potential energy
100 150 200 250 300 350 400 450 500
+150 kJ
+250 kJ
progress

Does the energy in a solid increase or decrease when changing to a liquid?

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.