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Chemistry, 22.06.2019 11:00
An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
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Chemistry, 23.06.2019 04:31
2ki + pb(no3)2 โ 2kno3 + pbi2 determine how many moles of kno3 are created if 0.03 moles of ki are completely consumed.
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Chemistry, 23.06.2019 10:10
Solid tin exists in two forms: white and gray. for the transformation sn(s, white) โ 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 -30โ. b. will white tin convert spontaneously to gray tin at -30โ? c. at what temperature are white and gray tin thermodynamically equivalent at a pressure of 1 atm?
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