Which element reacts spontaneously with 1.0 m hcl at room temp? 1.copper 2.gold 3.silver 4.zinc

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump