A 38 g sample of ice (specific heat = 2.010 J/gºC, initial temperature =0°C) is placed into 214 g of water (specific heat = 4.186 J/g°C, initial temperature = 56°C). Find the system's final
temperature.

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

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.

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?