15. Balance the following equations: (a) Ag(s) + H, S(g) + O2(g) — Ag, S(s) + H2O(1)
(b) Pa(s) + O2(g) – P4010(s)
(c) Pb(s) + H2O(l) + O2(g) Pb(OH),(s)
(d) Fe(s) + H2O(1) Fe, 04(s) + H2(g)

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

All of the following are part of the biosphere except

Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2