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The diffusion coefficient for Ca2+ 1n CaO is 10-20 m2/s at 850°C and 10-13 m2/s at 2090°C. The gas constant is R-8314 J/(mol-K) 1. Calculate the activation energy (Express your answer to three significant figures.) Q = ( ) kJ/mol 2. Calculate the constant Do. (Express your answer to three significant figures.) m2/s
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aiven that -20 0 R (112 ΔΕ2363 R. → Firm equahan②

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