An arrangement of signs or letters used in chemistry arithmetic etc to express an idea briefly. Density mass of a unit volume of a material substance. For example the density of water is 1 gram per cubic centimetre and Earth s density is 551 grams per cubic centimetre.
A mixture for feeding an infant usually with cows milk as a base supplemented with vitamins and minerals.
The general form for such functions is P x a 0 a 1 x a 2 x 2 a n x n where the coefficients a 0 a 1 a 2 a n are given x can be any real number and all the powers of x are counting numbers 1 2 3. For example the density of water is 1 gram per cubic centimetre and Earth s density is 551 grams per cubic centimetre. Science makes use of the scientific method which includes the careful observation of natural phenomena the formulation of a hypothesis the conducting of one or more experiments to test the hypothesis and the drawing of a conclusion that confirms or modifies the hypothesis. Empirical Formula The word empirical is defined as something that is verified by observation.