Use the bond energies provided to calculate LaTeX: \DeltaΔH for: 2 C2H2 + 5 O2 > 4 CO2 + 2 H2O C=C = 960kJ O=O 498 kJ C-H 412 kJ C=O 743 kJ O-H 463 kJ

Calculate the enthalpy of the following reaction: 4 b (s) + 3 o2 (g) → 2 b2o3 (s) given the following pertinent information: (a) b2o3 (s) + 3 h2o (g) → 3 o2 (g) + b2h6 (g), δhoa = +2035 kj (b) 2 b (s) + 3 h2 (g) → b2h6 (g), δhob = +36 kj (c) h2 (g) + latex: \frac{1}{2} 1 2 o2 (g) → h2o (l), δhoc = −285 kj (d) h2o (l) → h2o (g), δhod = +44 kj

Agas occupies 475 cm^3 at 313k. find its volume at 367k. you must show all of your work to receive credit. be sure to identify which of the gas laws you will be using

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide