Balance each equation and identify the reaction types. Fe(s) + O2(g) →
O2(g) → Feo(s)
KI(S) +
Pb(NO3)2 (aq) →
Pblz (s) +
KNO3 (aq)
C(s) +
02(g) →
CO2(9)
HgO(s) →
Hg(+
02 (9)
Pb(s) +
Al(NO3)3 (aq)
Al(s) +
Pb(NO3)2 (aq) →
C3H8(g) +
H2O(g)
O2(g) →
CO2(g) +
H2S(g) +
FeCl2 (aq)
FeS(s) +
HCl(aq) →

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )

Which statement explains which component is likely to be more powerful in explaining a scientific phenomenon? a) component c, because a theory is often passed on possibility and not certainty b) component d, because a hypothesis is often based on possibility not certainty c) component c, because the ability to explain several occurrences in the natural world is a characteristic of a hypothesis d) component d, because the ability to explain several occurrences in the natural world is a characteristic of a theory