By using the information in this problem and data in the following table, calculate δh∘f for diethyl ether given that combustion to co2(g) and h2o(l) yields δh ∘ = -2723.7 kj. table standard enthalpies of formation, δh∘f , at 298 ksubstance formula δh∘f (kj /mol) substance formula δh∘f (kj /mol)acetylene c2h2(g) 226.7 hydrogen chloride hcl(g) -92.30ammonia nh3(g) -46.19 hydrogen fluoride hf(g) -268.60benzene c6h6(l) 49.0 hydrogen iodide hi(g) 25.9calcium carbonate caco3(s) -1207.1 methane ch4(g) -74.80calcium oxide cao(s) -635.5 methanol ch3oh(l) -238.6carbon dioxide co2(g) -393.5 propane c3h8(g) -103.85carbon monoxide co(g) -110.5 silver chloride agcl(s) -127.0diamond c(s) 1.88 sodium bicarbonate nahco3(s) -947.7ethane c2h6(g) -84.68 sodium carbonate na2co3(s) -1130.9ethanol c2h5oh(l) -277.7 sodium chloride nacl(s) -410.9ethylene c2h4(g) 52.30 sucrose c12h22o11(s) -2221glucose c6h12o6(s) -1273 water h2o(l) -285.83hydrogen bromide hbr(g) -36.23 water vapor h2o(g) -241.8