Calculate the change in free-energy associated with the formation of a critical spherical nucleus. in pure liquid nickel that is 192 ºc undercooled. the answer should be given in atto-joules with 1 decimal of accuracy. (note the metric prefix atto is 10-18) properties of nickel: heat of fusion 2660 j/cm3; surface energy 255x10-7 j/cm2 ; freezing temperature 1453 ºc, volume free energy -728.99 j/cm3 .

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false