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At a certain temperature, Kc = 0.0500 and ?H = +39.6 kJ for the reaction below.
2MgCl2(s) + O2(g) ? 2MgO(s) + 2Cl2(g)
Calculate Kc for the reaction MgO(s) + Cl2(g) ? MgCl2(s) + O2(g) and indicate whether the value will be larger or smaller at a lower temperature.
One method to produce nitrogen in the lab is to react ammonia with copper (II) oxide: NH3(g) + CuO(s) Cu(s) + H2O(l) + N2(g). After using 40.0 grams of NH3, 15.5 grams of N2are produced. What is the percent yield of nitrogen in the reaction?
The solution to Equilibrium constant, A certain gas mixture held at 395C has the following initial partial pressures: P(Cl2) = 351.4 torr; P(CO) = 342.0 torr and P(COCl2) = 0.
if a 1500 rm kg car can accelerate from 30 kmh to 50 kmh in 3.1 s how long will it take to accelerate from 50 kmh to 75
What happens to carboxylic acid when it reacts with 1M NaOH and show the reaction. How does this change its solubility. Which compounds are now in each solution
1the internal combustion engines found in most automobile are heat engines that operate between the internal engine
A 10.000-g sample of toothpaste containing stannous fluoride gives a 0.145-g precipitate of stannous phosphate. What is the percentage of SnF2 in the toothpaste sample
sucrose table sugar has the formula c12h22o11 molar mass342.30 gmol and a food value of 6.49 kjg. determine the
1.) Why are there 3 lines of amino acid sequences?
What are the concentrations of the various species of the glutamic acid system in a solution which is at physiological pH 7.40, and a total concentration for all forms equatl to 5.00x10^-3M
a) What are three types of covalent bonds?b) Which type of bond shares electrons equally?c) Describe how polar bonds share electrons.
Compute and then plot the concentration of oxygen each day for a period of five days starting with a concentration of 8 mg/L. Utilize a rate constant of 0.35 d-1.
A fuel gas containing 75% methane, 15% ethane and 10% propane by volume flows to a furnace at a rate of 1200m^3/hr at 15'C and 200kPa, where it is burned with 12% excess air. Calculate the required flow rate of air in SCMH(standard cubic meters pe..
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