Given the balanced ionic equation representing a reaction:
2a1(s) + 3cu2+(aq) ==> 2a13+(aq) + 3cu(s)
which half-reaction represents the reduction that occurs? (i ) al ==> al3+ + 3e-
(2) al3+ + 3e- ==> al
(3) cu ==> cu2+ + 2e-
(4) cu2+ + 2e- ==> cu

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.

the answer is yes

it has kinetic energy

reason

an object has kinetic energy when you stop the force carrying it, the object will stay in motion.

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a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.