Chemistry
Real chemistry questions asked by students, solved step by step Every question below was submitted by a real student and answered step by step.
Silver nitrate is the limiting reactant, so the precipitate is 1.69 g (about 1.7 g) of AgCl. Balanced equation, molar masses, mole comparison, gram conversion.
About 0.28 g of hydrogen. Balance 2H2O to 2H2 + O2, convert 2.5 g of water to moles at 18.0 g/mol, apply the 1:1 ratio, convert back to grams.
The net potential energy is about -3.25 x 10^-18 J. Get A from the attractive force, then use E = -(A/r0)(1 - 1/n) at the equilibrium separation of 0.249 nm.