Consider the Following Thermochemical Equation: CaO(s)+ H₂O( ) $\rightarrow$ Ca(OH)₂(s) $\Delta$

question 16

Multiple Choice

Consider the following thermochemical equation: CaO(s) + H₂O( ) $\rightarrow$ Ca(OH) ₂(s) $\Delta$ H = -66.5 kJ Which of the following statements is/are correct?
(i) The reaction is exothermic
(ii) The reaction releases 66.5 kJ per gram of Ca(OH) ₂(s) formed
(iii) Alternatively,the $\Delta$ H term could be added to the product side of the equation

• A)i only
• B)ii only
• C)i and ii
• D)i and iii
• E)i,ii,and iii

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