Given the unbalanced equation: ___ Al2(SO4)3 + ___ Ca(OH)2 ___ Al(OH)3 + ___ CaSO4 When the equation is completely balanced using the smallest whole number coefficients the sum of the coefficients is A) 5 B) 9 C) 3 D) 4

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

Which element would mostly likely have an electron affinity measuring closest to zero

Abike ride event is 30 miles. a first aid tent is put at the 3/4 mark of the course. how many miles from the starting point is the first aid tent?