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1) Write the balanced incomplete combustion reaction for ethane (C2H6), producing CO and water vapour. Make sure to include phases. Also, make sure that the stoichiometric coefficients are whole numbers and are not fractions.
a) What is the enthalpy of the reaction (ΔH°rxn), in kJ, for the process in part (d)?
b) Calculate the total heat (q), in kJ, produced by 260.0 g of ethane when 9.00% by mass of it burns incompletely and the remainder burns completely.
Calculate the molarities of HC2H3O2 and NaC2H3O2 in the buffer solution you will prepare in this experiment. The buffer solution consists of 50mL and 0.20M of NaC2H3O2 and consists of 10mL and 1.0M of HC2H3O2
Can someone please do lewis structure, geometry, species, and molecular structure for P2I4
The energy of a vibrating molecule is quantized much like the energy of an electron in the hydrogen atom. The energy levels of a vibrating molecule are given by the equation
Problem- The molar heat of vaporization for benzene is 7.3 kcal/mol. How many calories are required to vaporize 425g of benzene at its boiling point
Calculate the molar concentration of commercial hydrochloric acid, if the solution contains 37% for mass in HCl, and if the solution has a density of 1.18 g/mL.
State the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4.
Rhodium has a density of 12.45 g/cm3. This metal crystallizes in a face-centered cubic unit cell. Calculate the diameter of a rhodium atom?
Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as follows: Cu2S(s) + O2(g) 2Cu(s) + SO2(g) If 0.680 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced
What is the pKa for the pyridium cation. Pyridine + H2O Pyridium cation + OH- Kb = 1.71 *10^-9 A. pKa for the pyridium cation = 3.9 B. pKa for the pyridium cation = 5.2 C. pKa for the pyridium cation = 7.4 D. pKa for the pyridium cation = 8.8 E...
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air. If the flask volume is 4.00 L, and the air is at standard temperature and pressure, how many gaseous molecules does the f..
If 15.3 kilograms of Al2O3(s) , 60.4 kilograms of NaOH and 60.4 kilograms of HF react completely, how many kilograms of cryolite will be produced. What is the total mass of the excess reactants left over after the reaction is complete
Problem- 1) C3H8(g) + 5 O2(g) -----> 3 CO2(g) + 4 H2O(g). how many molecules of CO2 will be formed when 25 molecules of C3H8 react. how many moles of oxygen are needed to react with 12.5 mole of C3H8
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