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The equilibrium constant for the reaction H2(g) + I2(g) 2HI(g) is 62.5 at 800 K. What is the equilibrium concentration of I2 if at equilibrium [HI] = 0.22 M and [H2] = 0.10 M
what can you say about the relative buffering abilities of solutions( ranging pH 5-7) when they are challenged by acid
A tank having a volume of 1000 ft3 contains 22 lb of CO2, 46 lb of O2 and 154 lb of N2. What pressure will be indicated by a pressure gage attached to the tank if the gas is at ambient temperature (
Can someone explain to me how you would determine the molecular orbital theory diagrams associated with butene and overall the basic concept behind molecular orbital theory and drawing diagrams asso
Compute the volume of the tank if the total pressure of the mixture is 44.08 psi at 86°F. What is the partial pressure of each constituent and the average molecular weight of the mixture
The specific heat capacity of the solution produced was 4.20J/g*Celcius, and final temp reached was 34.91 degrees c. How much heat was produced by the dissolution
A 0.2254g sample of naphthalene (C8H10, 128.16g/mol) was burned in a bomb calorimeter with a heat capacity of 2.18kJ/K and temperature increased by 4.16 Celcius, what is the molar enthalpy of combus
Write and balance the molecular equation and then give the ionic and net ionic equations for the neutralization reaction between NH3(aq) and H2SO4(aq).
Carbon tetrachloride may react with oxygen to produce chlorine and carbonyl chloride.2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g); Kc = 9.9 × 10^51. What is Kc for the following equilibrium?COCl2(g) +
In an experiment, 0.32 mol H2 and 0.32 mol I2 are mixed in a 1.00-L container, and the reaction forms HI. If Kc = 49. for this reaction, what is the equilibrium concentration of HI?I2(g) + H2(g) 2HI
For the equilibrium PCl5(g) PCl3(g) + Cl2(g), Kc = 2.0 × 101 at 240°C. If pure PCl5 is placed in a 1.00-L container and allowed to come to equilibrium, and the equilibrium concentration of
Carbon tetrachloride may react with oxygen to produce chlorine and carbonyl chloride.2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g); Kc = 9.9 × 1051What is Kc for the following equilibrium?COCl2(g) + Cl
She found that 0.3127 g of Na2CO3 was needed to completely react with 25.00 mL of the HCl solution. What is the concentration of the HCl solution in M (mol/L)
What is the minimum quantity (in grams) of atmospheric oxygen required to completely convert 3.77 moles of ethanol into carbon dioxide and water
A 0.2254 g sample of naphthalene (C8H10, 128.16 g/mol) was burned in a bomb calorimeter with a heat capacity of 2.18 kJ/K, and the temperature increased by 4.16°C. What is the molar enthalpy of
Write the molecular, ionic, and net ionic equations for the combination of KNO3(aq) and BaCl2(aq)
what is molarity of the diluted bleach and of the original bleach solution? b. what is the mass of sodium hypochlorite per 100 mL of the stock bleach solution. c. If the density of the bleach soluti
The sodium hypochlorite reacts with hydrochloric acid producing chlorine gas. What is the reducing agent in this reaction
Chlorine reacts with potassium iodide. What would the color of the resulting solution be. What is the oxidation half-reaction for this step.
Describe how you would prepare 1liter of 0.2M solution of monobasic sodium phosphate and 1 liter of 0.2M dibasic sodium phospate ( FW for monobasic 137.99 and FW for anhydrous dibasic 141.96
A solution of acetic acid is 40% m/m with density = 1.045 g/mL. Calculate molarity, molality, and mole percent of the acid. Molecular weight of acetic acid = 60.05 g/mol
Consider the following thermochemical equations : 8Mg(s) + Mg(NO3)2(s) ? Mg3N2(s) + 6MgO(s) ?H°rxn = -3884 kJ Mg3N2(s) ? 3Mg(s) + N2(g) ?H°rxn = +463 kJ 2MgO(s) ? 2Mg(s) + O2(g) ?H°rxn =
Ionization energy is the energy needed to eject an electron from an atom. Compute the ionization energy of a hydrogen atom in its first excited state (n = 2).
A 7.45 g sample of solid LiOH is completely dissolved in 120.00 g of water at 23.25°C contained in a calorimeter with a heat capacity of 11.7 J/°C. The specific heat capacity of the solution
Using graphical techniques, which form of chlorendic acid (neutral, mono-anionic, or di-anionic) is not responsible for the inhibitory effect