Terephthalic acid, used in the production of polyester fibers and films, is composed of carbon, hydrogen, and oxygen. When 0.6943 g of terephthalic acid was subjected to combustion analysis, it produced 1.471 g CO2 and 0.226 g H2O. What is its empirical formula?

The oxidation number of Cl in dichlorine oxide is

What is the coefficient of H2O when the following equation is properly balanced with the smallest set of whole numbers? ___ Al4C3 + ___ H2O → ___ Al(OH)3 + ___ CH4

1.Iron (III)Oxide is reacted with carbon monoxide to give iron and carbon dioxide. Write the balanced reaction  with chemical formulae. Identify the type of reaction. How do you know that ? Calculate the number of grams of iron and carbon dioxide formed when 0.150 kg of Iron (III)oxide reacts. 

Chapter 8 Duplicated chromosome consists of two sister chromatids.

Chapter 7 The overall function of the Calvin cycle is __________. making carbohydrates producing carbon dioxide capturing sunlight splitting water

Chapter 7 Chlorophyll reflects green light and absorbs red/blue.

Chapter 8 The cell division process of splitting of the nucleus to make two genetically identical nuclei resulting in two identical daughter cells is called ______. [1 word]

Chapter 7 Which activity occurs in the process of photosynthesis? Chemical energy from organic molecules is converted into light energy. Organic molecules are obtained from the environment. Organic molecules are converted into inorganic food molecules. Light energy is converted into the chemical energy in organic molecules.

Chapter 7 The biological process of photosynthesis shown below occurs in plants. Which row in the chart BELOW identifies the lettered substances [circles above] used in the reaction ABOVE?