What is the overall voltage for a redox reaction with the half-reactions mg(s) mg2+ + 2e- and cu2+ + 2e- cu(s)?
a.-2.37 - 0.34
b.0.34 - 2.37
c.0.34 - (-2.37)
d.2.37 - 0.34

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

How many times did thomas edison mess up the light bulb

You charge a parallel-plate capacitor, remove it from the battery, and prevent the wires connected to the plates from touching each other. when you increase the plate separation, what happens to the following quantities?