N2 + 3H2 = 2 NH3 + 91.8 kJ

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

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Apush or pull that moves or changes and object when to objects touch