When the ethane and propane components of natural gas are cracked, two new compounds are formed which are essential monomers used in making plastics. These substances are ________.
Fill in the blank(s) with correct word
Question 2
Which of the following is a statement of Hess's law?
A) If a reaction is carried out in a series of steps, the H for the reaction will equal the sum of the enthalpy changes for the individual steps.
B) If a reaction is carried out in a series of steps, the H for the reaction will equal the product of the enthalpy changes for the individual steps.
C) The H for a process in the forward direction is equal in magnitude and opposite in sign to the H for the process in the reverse direction.
D) The H for a process in the forward direction is equal to the H for the process in the reverse direction.
E) The H of a reaction depends on the physical states of the reactants and products.
Components of the Stethoscope
Arrangement of components of the two photosystems on the thylakoid membrane
The impact of climate change on natural ecosystems
compounds
The Ames test, which screens compounds for potential mutagenicity
Skeletal Components of the Thorax