How does the carbonyl group increase the reactivity of carboxylic acids?

What type of reaction is illustrated? 2c12o5 = 2cl2 + 502

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n