In a 50.0 l reaction vessel, 0.500 mol or hydrogen chloride, respectively, are mixed oxygen gas, water vapor and chlorine gas. Equilibrium is left at a certain temperature enter for the following reaction: 4 HCl (g) + O2 (g) + 2 H2O (g) + 2 Cl2 AH = -105kJ​

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?