Consider the zn(s) + cu+2(aq) + zn+2(aq) +cu(s) system.

which element was the electron donor?

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

What is the molar mass of ca(cio4)2