4. How is the equilibrium position of this reaction affected by the following changes?
C (s) + H20 (g) + heat <- -> CO (g) + H2 (g)
a. Lowering the temperature
b. Increasing the pressure
c. Removing hydrogen
d. Adding water vapor

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients