jwbandy jwbandy 28-04-2024 Chemistry Answered Find the amount of heat, in kJ, given off when 26g of hydrogen gas reacts with Br2. Round to the nearest whole number. Given: H = 1.008 g/mol Br = 79.904 g/mol H2 Br2 ➔ 2 HBr ΔH = 79.3 kJ