How many Joules of energy are required to change 10 gram of ice at -2 C to water at 20 C? Ice has a specific heat of 2 J/g C 440 J
10,140 J
880 J
66,000 J

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Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf