Chemistry, 08.06.2021 18:10 alosnomolina1122
1. it is given as Na=23 this mean that mass of a sodium atom is ,
(i) 23 times when compared with mass of a C12 atom
pls answer
Answers: 2
Chemistry, 23.06.2019 03:30
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
Answers: 1
Chemistry, 23.06.2019 05:30
How many moles are in 1.26*10^24 particles in significant figures
Answers: 2
Chemistry, 23.06.2019 10:10
Solid tin exists in two forms: white and gray. for the transformation sn(s, white) → sn(s, gray) the enthalpy change is -2.1 kj/mol and the entropy change is -7.4 j/(mol*k). a. calculate the gibbs free energy change for the conversion of 1.00 mol white tin to gray tin at -30℃. b. will white tin convert spontaneously to gray tin at -30℃? c. at what temperature are white and gray tin thermodynamically equivalent at a pressure of 1 atm?
Answers: 3
1. it is given as Na=23 this mean that mass of a sodium atom is ,
(i) 23 times when compared with m...
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