Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab, calculate the reaction enthalpy of this reaction under standard conditions:2NaOH(s)+CaCl2(s)→CaOH2(s)+2NaCl(s)Round your answer to the nearest kJ.

alculate the enthalpy of the following reaction: (3 marks)2Mg + O2 → 2MgOGiven:Mg + 2HCl → MgCl2 + H2 ΔH = -21.0 kJMgO + 2HCl → MgCl2 + H2O ΔH = -33.5 kJH2 + ½ O2 → H2O ΔH = -76.0 kJ

Which reaction shows that the enthalpy of formation of CS2 is Hf = 89.4 kJ/mol?A.C(s) + 2S(s) + 89.4 kJ CS2(l)B.C(s) + 2S(s) + 89.4 kJ CS2(l) + 89.4 kJC.C(s) + 2S(s) CS2(l)D.C(s) + 2S(s) CS2(l) + 89.4 kJSUBMITarrow_backPREVIOUS

Calcium hydroxide reacts with carbon dioxide to form calcium carbonate. The reaction for this process is:Ca(OH)2(s) + CO2(g) → CaCO3(s) + H2O(g),      ΔH = -69.1 kJWhat is the enthalpy change if 380 g of calcium carbonate is formed?

Use the stoichiometry of reaction in Reaction RY.2 to calculate moles of CaCl2 needed to produce 2.00 g ofCaCO3.

Which reaction shows that the enthalpy of formation of C2H4 is Hf = 52.5 kJ/mol?A.2C(s) + 2H2(g) + 52.5 kJ C2H4B.2C(s) + 4H(g) C2H4 + 52.5 kJC.2C(s) + 2H2(g) C2H4 + 52.5 kJD.2C(s) + H(g) + 52.5 kJ C2H4SUBMITarrow_backPREVIOUS