Iii How much energy is released when the following amounts of propane are burnt? (A values: C = 12; H = 1.)
0.2 mol: ...
4 mol:
33 g:

What is a metal replacement reaction

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false