Calculate the lattice energy of KCl from the given data:Interionic separation =314pm, born exponent for Ar configuration =9,Madelung constant(M)=1.746

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Which statement can best be concluded from the ideal gas law?