The combustion of 1 mole of co according to the reaction co(g) + ½o2(g) → co2(g) + 67.6 kcal gives off how much heat?

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

What layer of the atmosphere is directly above the troposphere?