A piece of copper alloy with a mass of 84.0 g and a specific heat of 325J/g°C. The sample lose energy if it is cooled from 47.0°C to 24.0°C. (3 sig figs)

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error