5. 10.05 of sodium chloride solution is mixed with 10.0g of copper(II) nitrate to form sodium nitrate and copper (II) chloride then:

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

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

The biosphere of the earth is made up of what compound? organic or inorganic?