A set of experiments is run on a flammable gas in a spherical vessel. The following data are obtained for two different vessel volumes. Estimate the value of \(K_{\mathrm{G}}\) for this combustible gas:

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Time (s) 0.0 0.1 0.2 0.3 0.35 0.40 0.425 0.450 0.475 0.500 0.550 0.600 0.650 0.700 0.750 0.800 0.900 1.000 V = 1 m P (bar) 0.0 0.2 0.5 1.2 1.6 3.2 4.7 6.5 6.9 7.1 7.4 7.3 7.0 6.4 6.1 5.7 5.1 4.7 Time (s) 0.0 0.2 0.3 0.4 0.5 0.7 0.8 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 1.30 1.4 1.50 V = 20 m P (bar) 0.0 0.15 0.35 0.6 0.9 2.2 4.1 5.0 6.2 7.1 7.0 7.2 6.7 6.25 5.90 5.40 5.00 5.60