A thermite reaction realeses large amounts of heat and light resulting in the melting of the iron metal

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?