How many grams of copper nitrate can be produced from 0.78 grams of silver nitrate and excess copper?

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

What effect might melting sea ice have for people who live in coastal areas?