Equal chemical equations! H2 + Cl2 > HCl
P4 + O2 > P4O10
Na + Cl2 > NaCl
CH4 + O2 > CO2 + H2O​

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

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