Is the delta H rxn for the reaction C(s) + O2(g) --> CO2(g) the same as the delta H f for CO2(g)?

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

What does it mean for something to be dissolved in watera- it is submerged in water moleculesb-it is stirred in the water moleculesc- it is surrounded by water molecules d-it has water molecules added to it

When microscope slides are stained to show blood cells, the small red blood cells that appear on the slides are much numerous than the large white blood cells. this supports the concept that