What is the change in enthalpy when 5.32 mol CO2 reacts with excess MgO? MgCO3(s) \to MgO(s) + CO_2(g) \Delta H_{rxn} = 117.3\ kJ Given that the molar enthalpy of combustion of propanoic acid is -1527.2 kJ/mol, when the enthalpy change is written as ...
What is the balanced chemical equation for the reaction used to calculate enthalpy degrees F, of MgCO3(s)? Given the standard enthalpy changes for the following two reactions 4 C ( s ) + 5 H 2 ( g ) C 4 H 10 ( g ) , H = 125.6 k J C 2...
What is the emf of the cell when [ Ni^{2+} ] = 0.194 M and [Zn^{2+} ] = 0.905 M? Which of the following species has the highest entropy (S ) at 25 C? A. CH3OH(l) B. CO(g) C. MgCO3(s) D. H2O(l) E. Ni(s) ...
a- The voucher is preferably with 6-12 months validity starting from the date of June, -证件更好地是以6-12个月有效性从6月开始日期,[translate] aSolubility and Stability of Nesquehonite (MgCO3 ·3H2O) in Mixed NaCl + MgCl2, Nesquehonite (MgCO3的可溶性和稳定 ·3H2O)在混杂NaCl +氯化镁...
Describe in words how you would do the following preparations. Then give the molecular equation for the preparation. MgCl2(s) from MgCO3(s) Define chaotropic agents and describe the primary reason why they are used in the protein biochemistry ...
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What is the solubility, in mol/L, of MgCO3 in a 0.65 mol/L solution of MgCl2 if the Ksp of MgCO3 is 2.5 x 10-5? What is a solute solvent reaction? How does the speed of stirring affect the solubility of the solute? Is PbCl2 soluble in water?
What is the standard enthalpy of formation of MgCO3(s)? MgO(s) + CO2(g) = MgCO3(s) dH = -100.7 kJ Use the following dHf (kJ/mol): MgO(s) = -601.6, CO2(g) = -393.5 a) 107.4 kJ b) -308.8 kJ c) -894.4 kJ d...
What is the solubility, in mol/L, of MgCO3 in a 0.65 mol/L solution of MgCl2 if the Ksp of MgCO3 is 2.5 x 10-5? What is the minimum temperature required to dissolve each of the following? a. 34g NaCl in 100g of water b. 50g KCl in 100g of water What is the molar solubilit...