2024年5月21日 · The coefficients that correctly balance the equation CaO + H2O -> Ca(OH)2 are: CaO + 2H2O -> Ca(OH)2. Two water molecules are needed to react with one calcium oxide molecule to form one ...

1. The reaction between calcium oxide and water produces aqueous calcium hydroxide CaO(s) + H2O(l) ---> Ca(OH)2(aq) In the reaction of 16.7 g CaO with 10.7 g H2O, assuming CaO is limiting, how much excess H2O (in grams) is leftover at the end of the reaction? Enter your answer as a number only 2. 5.000 g of a compound containing C, H and O was

Given that CaO(s) + H2O(l) → Ca(OH)2(s), ΔHorxn = -64.8 kJ/mol, how many grams of CaO must react in order to liberate 525 kJ of heat? Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on.

2024年6月11日 · The reaction between CaO and H2O results in the formation of calcium hydroxide (Ca(OH)2) and heat. This process is known as hydration and is exothermic. Calcium hydroxide is a strong base and is ...

Answer to 8) CaO + H2O > Ca(OH)2 AE = -65.2 KJ Identify the. Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on.

Given the following thermochemical equations: CaO(s) + Cl2(g) CaOCl2(s) ∆H° = –110.9 kJ 2NaCl(s) + Ca(OH)2(s) + Br2(l) H2O(l) + CaOCl2(s) + 2NaBr(s) ∆H° = +60.2 kJ Ca(OH)2(s) CaO(s) + H2O(l) ∆H° = +65.1 kJ determine the value of ∆H° (in kilojoules) for the reaction: 1/2 Cl2(g) + NaBr(s) NaCl(s) + 1/2 Br2(l) a) 14.4 kJ b) –53.0 kJ c) –20.5 kJ d) –108 kJ e) –14.4 kJ

Question: CaO + H2O -> Ca(OH)2 or Ca+ + 2OH-? Based on solubility law, I think net ionic equation would be CaO(s) + H2O(l) -> Ca+(aq) + 2OH-(aq) but some claim that since CaO is an weak base, it should be combined with OH, thus CaO(aq) + H2O(aq) -> Ca(OH)2(aq) Which one is right and why?

Science; Chemistry; Chemistry questions and answers; 1. CaO(s)+ H2O(l) ⇌ Ca(OH)2(s) Assuming the commonly used standard-state temperature of 25 ∘C, calculate ΔSuniv for this reaction using the data given: Substance ΔHf° (kJ/mol) ΔGf° (kJ/mol) S° (J/mol

Question: 67) For the process: CaO + H2O → Ca(OH)2, what is the limiting reagent if 10.0 g of CaO and 3.0 mol of H2O a used? A) CaO B) H20 C) Ca(OH)2 Show transcribed image text

Question: 1. Sludge from the reaction Na2CO3 + CaO +H2O → CaCO3 + 2NaOH is extracted in a five-stage countercurrent battery. The calcium carbonate carries with it 1.5 times weight of solution. Sodium hydroxide recovery is to be 98 percent. Reaction products enter the first stage with 0.5 kg H2O/kg CaCO3.