The heat of fusion of a acetic acid , the principal organic component of vinegar is 45.9 cal/g. How much heat (in kilocalories) is required to melt 2.55 mol of solid acetic acid?

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

‘which reaction would most likely require the use of an inert electrode?

Which diagram represents the phase tha occurs after a solid melts?