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Ethylene (C2H4) at 25C burns with 50% excess air, also at 25C to produce a mixture of CO2, CO, O2, N2, H2O. The combustion chamber is WELL INSULATED. Determine the composition and temperature of the product mixture. Notice you need to apply 1st law and equilibrium analysis simultaneously?
The only materials on hand are 300 mL of white vinegar (5.00% by mass acetic acid, density = 1.006g/mL) and potassium acetate. How should the student proceed?
Propose a mechanism for the synthesis of 3-nitrophthalhydrazide from 3-nitrophthalic acid
Use standard reduction potentials (shown below) to calculate the potential of a nickel-cadmium cell that uses a basic electrolyte that has a 0.6 M hydroxide concentration.
Calculate the standard free energy change at 25 degree Celsius with F=96,500 for 3Fe^2+(aq) + 2Cr(s) --> 3Fe(s) + 2Cr^3+(aq)
its ground state absorbs 2.50 times as much energy as the minimum required for it to escape from the atom. Calculate the deBroglie wavelength of the emitted electron
In each of the following polyatomic ions, the central atom has an expanded octet. Determine the number of electron pairs around the central atom and the hybridization in: SF2 2- AsCl6- Scl4 2- I'm really confused on this one so your thorough help ..
if a container of nitrogen, oxygen, carbon dioxide has a pressure of 2.00atm and the partial pressure of O2 is 312torr,
a tire holds air assume its all n2 at a pressure of 3 atm and in one week the pressue drops by 1 because of inevitable
initially a mixture contains 0.760 mol each of n2 and o2 in an 8.26-l vessel. find the composition of the mixture when
Calculate the change in enthalpy of this reaction. Specific heat of the solution = 4.184 J/(g oC) State your answer in kJ with 3 significant figures. Don't forget to enter the unit behind the numerical answer. The molecular weight of KOH is 56.2 g..
Question- Carbonate buffers are important in regulating PH of blood at 7.40. What is the concentration of CO2 in a 0.200M NaHCO3 at PH=7.40
Consider the controlled potential electrolysis of an Zn2+ solution using the following electrochemical cell set to -1.207 V: SSCE || Zn2+(aq)| Zn(s) 3.440 Coulombs of charge is collected in the electrolysis of a 50.00 ml solution.
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