You have a 1.55 kg block of silver at room temperature of 20 °c. silver melts at 962°c. how much heat energy would be needed to just melt the silver? (hf (silver) = 111 kj/kg). show all work.

Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature