Use the following information to find Hf of ethanol [CH3CH2OH(l)]. CH3CH2OH(l) + 3 O2(g) 2 CO2(g) + 3 H2O(g)

Hcomb = -1406.8
Hf of CO2(g) = -393.5 kJ/mol
Hf of H2O(g) = -241.8 kJ/mol

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

How many miles of water are produced if 5.43 mol pbo2 are consumed