- I Need The T Trimpe 2002 Element Challenge Puzzle Answer Key ASAP?

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Pb(NO3)2(aq) + H2SO4(aq)->PbSO4(s) + 2HNO3(aq) Net Ionic Equation? A 125 g metal block at temp 93.2•C put in 100g of H2O,at 18.3•Cspec heat of metal 0.900 J/g•C, find final temp of block and water? Plz help? The surface areas of two similar solids are 1008 and 1372. The volume of the larger solid is 1801. Find the volume of the smaller solid.? Determine the pH of a solution that is 0.10 M CH3COOH and 0.35 M CH3COONa? Calculate 400 ml of 2 molar HNO3?