Nutrition and Growth of Bacteria (page 4) (This chapter has 6 pages) Â© Kenneth Todar, PhD Physical and Environmental Requirements for Microbial Growth The procaryotes exist in nature under an enormous range of physical conditions such as O2 concentration, Hydrogen ion concentration (pH) and temperature.
In a double replacement reaction parts of two compounds switch places to form two new compounds. Two reactants yield two products. For example when silver nitrate combines with sodium chloride, two new compounds--silver chloride and sodium nitrate are formed because the sodium and silver switched places.
Chemical Reactions: Single Displacement. A displacement reaction is a reaction where an element replaces, or displaces, a less active element in a compound. Iron will replace copper in a copper II chloride solution, producing iron II chloride and copper. combustion reaction is an exothermic reaction that occurs when oxygen and another element or compound are combined. A basic combustion reactions occurs when carbon in the form of charcoal reacts with oxygen to form carbon dioxide and heat. Thank you for watching.