Glucose and oxygen are the products of

cellular respiration.

digestion.

fermentation.

photosynthesis

A bubble forms at the bottom of a lake. As it rises to the surface (but before it gets there), will it grow, shrink, or pop, why?

7.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a molar mass of 70. g/mol, is burned completely in excess oxygen, and the mass of the products carefully measured. 21.96 g of carbon dioxide and 8.

What protects earths surface

Calculate the standard entropy change for the following reactions at 25°C. (a) C2H5OH (l) + 3 O2 (g) 2 CO2 (g) + 3 H2O (g) (b) CS2 (l) + 3 O2 (g) CO2 (g) + 2 SO2 (g) (c) 2 C6H6 (l) + 15 O2 (g) 12 CO2 (g) + 6 H2O (g)

The volume of a sample of a gas at 273 c is 200.0 l. if the volume is decreased to 100.0 l at constant pressure, what will be the new temperature of the gas?

Sodium chloride was dissolved in water to produce a 1.5M solution. Explain what this concentration tells us about the NaCl solution. How might a chemist use this ratio?

A gas is contained in a 5.0-liter container at a pressure of 100 kPa. What size container would be required to contain the gas at a pressure of 50 kPa, assuming the temperature remains constant?

Select the correct answer. What is the chemical name of the covalent compound p4S3 A. tetraphosphate trisulfide B. triphosphate tetrasulfide tetraphosphorus trisulfide D. quadriphosphide trisulfur E. quadriphosphorus trisulfide Reset

A student doing this experiment obtained the data shown in the table above. The value of the constant, k, for this data is

A fuel scientist burnt a piece of coal and a piece of wood to compare the amount of heat given off by each.