Calculate δg∘rxn for the following reaction: 4co(g)+2no2(g)→4co2(g)+n2(g). use the following reactions and given δg∘rxn values: 2no(g)+o2(g)→2no2(g), δg∘rxn= - 72.6 kj 2co(g)+o2(g)→2co2(g), δg∘rxn= - 514.4 kj 12o2(g)+12n2(g)→no(g), δg∘rxn= 87.6 kj

Given 7.65 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100% yield?

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.

The data below were determined for the reaction shown below. s2o82– + 3i – (aq) → 2so42– + i3– expt. # [s2o82–] (m) [i –] (m) initial rate 1 0.038 0.060 1.4 × 10 – 5 m/s 2 0.076 0.060 2.8 × 10 – 5 m/s 3 0.076 0.030 1.4 × 10 – 5 m/s the rate law for this reaction must be: