191 Types of Chemical Reactions Do atoms rearrange in predictable patterns during ... When two ratios are set equal, this is called a proportion and the whole ... A sample of gas occupies a volume of 450.0 mL at 740 mm Hg and 16°C. ... at 25° C = 23.8 torr) P 736.2 torr 740 torr P 760.0 torr - 23.8 torr P P -P gas
