Explain the following balanced thermochemical equation

Reference no: EM13253323

Consider the following balanced thermochemical equation for the decomposition of the mineral magnesite. MgCO3(s) ? MgO(s) + CO2(g) ?Hrxn = 117.3 kJ

(a) Is heat absorbed or released in the reaction? released absorbed

(b) What is ?H for the reverse reaction? kJ________

(d) What is ?Hrxn when 34.5 g CO2 reacts with excess MgO? kJ_______________

Reference no: EM13253323

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