The standard molar enthalpies of dissolution of the mixtures {Na3AsO4 center dot 12H(2)O(s) + CuSO4 center dot 5H(2)O(s)} and (NaCuAsO4 center dot 1 center dot 5H(2)O(s) + Na2SO4(s)} in 1.498 mol center dot dm(-3) HCl solution at 298.15 K have been determined to be ...
Task 1: Assessment criterion 2.1 Determine the enthalpy change for the reaction (ΔHfθ) between zinc and copper sulphate solution‚ giving full practical details. Aim To determine the enthalpy change for the reaction between zinc and copper sulphate. Zn (s) + CuSO4 (aq) ZnSO4 (aq) + Cu...
Highest Temperature (°C) = ___ __34°C ___ Zn (s) + CuSO4 (aq) ? Cu (s) + ZnSO4 (aq) Number of moles of zinc - 0.9899/65.39 = 0.015138400367028597644899831778559 Enthalpy change – [(4.3 J x 30cm3 x 12°C) / Number of moles of zinc] /1000 = 102.25651075872056633028442539892 ...
theenthalpychangefor the reaction between zinc and copper sulphate. Zn (s) + CuSO4 (aq) ZnSO4 (aq) + Cu (s) Introduction In the study of energy (thermodynamics) the system refers to the reacting chemicals (zinc and copper sulphate solution) and the surroundings is everything else (...
the standard molar enthalpy of formation of NaCuAsO4·1.5H2O(s)has been derived:DELTA_fH_m~0(NaCuAsO4·1.5H2O,s,298.15 K)=-(1469.33+-0.65)kJ·mol~(-1).In addition,UV/Vis spectra and refractive indexes of solution A and solution A'were measured to examine the reliability of the ...