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At 25°C, K = 0.090 for the following reaction.
H2O(g) + Cl2O(g) reverse reaction arrow 2 HOCl(g)
Calculate the concentrations of all species at equilibrium for each of the following cases.
(a) 1.0 g H2O and 2.1 g Cl2O are mixed in a 1.4-L flask.(b) 1.1 mol pure HOCl is placed in a 2.5-L flask
How many moles of steam are produced at 2.00 atm and 202.0 by the complete combustion of 12.50 L of methane gas?
Calculate the theoretical titration curve for the titration of 50.00 mL of 0.1000 M Na2CO3 with a 0.2000 M solution of HCl. Propose the indicators.
A solution of a specific vitamin has ?max = 223 nm and a concentration of 8.31 × 10-7 M. The absorbance of the solution at 223 nm is A = 0.180. What is the molar absorptivity of the vitamin at 223 nm?
The density of a gaseous compound was found to be 1.23 g L-1 at 330 K and 25.5 kPa. What is the molar mass of the compound?
In a separate experiment, an empty flask is weighed, 35.3 cm3 of the lubricating oil is poured into the flask and the flask is reweighed. If the scale reading was 124.8 g in the first weighing, what would it be in the second weighing
What is the half-life of bismuth-210 if 11.7 days are required for the activity of a sample of bismuth-210 to fall to 19.8 percent of its original value
C3H8(g) + 5 O2(g) ? 3 CO2(g) + 4 H2O(g) Calculate the overall enthalpy change for this reaction using standard bond enthalpies.
Calculate the concentrations of all species present, the pH, and the pecent dissociation of HCN
Does the octet rule mean that a diatomic molecule has 16 valence electrons? Select from the following:
A certain radiation has a wavelength of 474 nm. What is the energy, in joules, of (a) one photon
A mixture consisting of 50 grams ethanol and 50 grams water is distilled using an efficient column. How much water will remain in the distillation flask the instant all of the azeotrope has distilled?
If the pressure exerted by ozone, O3, 3.0x10-3 atm and the temperature is 247 K , how many ozone molecules are in a liter.
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