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Estimate the value of the equilibrium constant at 650 {rm K} for each of the following reactions. Delta H{^{circ}_{rm f}} and S{^{circ}} for rm BrCl(g) is 14.6 {rm kJ/mol} and 240.0 frac {rm J}{rm mol cdot K}, respectively.
2{rm NO_2}(g) rightleftharpoons {rm N_2O_4}(g)
What mass of CCl4 will be formed if 1.20 moles of methane react with 1.55 moles of chlorine?
During the synthesis of diphenylacetylene, why is it more difficult to remove KBr for the second time
Tablets from a bottle of commercial aspirin gave a negative test with FeCl3. Several months later, tablets from the same bottle gave a positive test with FeCl3. How do you account for this result? Why?
Which of the following ionic compounds will be more soluble in acid solution than in water? Explain your choice/s Determine whether the anions are basic and use Le Chatelier's principle.
The specific heat of the liquid is 4.7 J/g.K and the specific heat of the vapor is 2.2 J/g.K. its enthalpy of vaporization is 25.1 kJ/mol. If you heat 4.6 kg of liquid ammonia from -62.0 degrees C to its boiling point of -33.6 degrees C, and then ..
Calculate the percent population of the first 10 rotational energy levels for HBr (rotational constant B = 8.46cm^-1) at 298K?
A student wishes to make a soution of lithium hydroxide (LiOH) to a strength of 1.7 mol/L. If he is going to make a total volume of 1.5 L
A piece of charcoal from a tree killed by the volcanic eruption that formed the crater in Crater Lake (in Oregon) gave 7.0 disintegrations of carbon-14 nuclei per minute per gram of total carbon.
An amphoteric compound exhibits a. acidic properties b. acidic and basic properties c. metallic properties d
If 545 mL of oxygen gas is collected at 21ºC and 754 mm Hg, what is its volume at STP?
when 0.514 g of biphenyl c12h10 undergoes combustion in a bomb calorimeter the temperature rises from 25.8 degc to 29.4
The rate constant of a first order reaction is 4.60x10-4 s-1 at 350C if the activation energy is 104KJ/mol, calculate the temprature
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