How many ways are they to generate electric energy jus number and name

What is a metal replacement reaction

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.