Example 9.14 Estimate the enthalpy change for the combustion of hydrogen
gas:
2H2(g) + O2(g)>2H2O(g)

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth