the electrochemical of a metal is 0•126×10 to the power of -6kg/c. the mass of the metal that a current of 5A will deposit from a suitable bath in 1 hour​

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

In a system, when potential energy decreases, then entropy also decreases. true false

Which transition by an electron will release the greatest amount of energy? oa ob oc od