Black Saturday bushfires, series of bushfires in 2009 that killed 173 people, injured 500, and destroyed thousands of homes in the Australian state of Victoria. Location and extent of the 2009 bushfires in Victoria, Australia. With its abundant forests and hot dry climate, Australia has often suffered from deadly bushfires, notably the 1939 ...
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The diagnosis of chronic hepatitis B (CHB) is made using a combination of serological, virologic, biochemical, and histologic markers. The natural history of hepatitis B virus (HBV) infection can be divided into four phases: immune tolerance, immune clearance (HBeAg-positive chronic hepatitis B), inactive HBsAg carrier, and reactivation (HBeAg-negative …
Calculate the standard free-energy change, ΔG°, that occurs when 12.0 g of H2(g) reacts with excess N2(g) at 298 K according to the reaction represented below. N2(g) + 3 H2(g) ← → 2 NH3(g) Δ G D. 298 = −34 kJ mol−1. One point is earned for the correct stoichiometry. mol H. 12.0 g H2 × 2 × 1 mol reaction.
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