Chemistry, 11.03.2020 23:34 22moneymorgan
How many grams of dipotassium succinate trihydrate (K2C4H4O4·3H2O, MW = 248.32 g/mol) must be added to 590.0 mL of a 0.0340 M succinic acid solution to produce a pH of 5.923 ? Succinic acid has pKa values of 4.207 (pKa1) and 5.636 (pKa2).
Answers: 1
Chemistry, 22.06.2019 12:40
Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid
Answers: 1
Chemistry, 22.06.2019 20:00
Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)
Answers: 2
Chemistry, 22.06.2019 21:20
Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction
Answers: 2
Chemistry, 23.06.2019 01:00
Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released
Answers: 3
How many grams of dipotassium succinate trihydrate (K2C4H4O4·3H2O, MW = 248.32 g/mol) must be added...
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