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For the following acid-base equilibrium, label the stronger acid, stronger base, weaker acid, and weaker base. Predict whether the position of equilibrium lies toward the right or toward the left.
A 0.1946 g piece of magnesium metal is burned in a constant volume calorimeter that has a heat capacity of 1349 J/°C.
How much heat is required to warm 221 g of ice from -44.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Sulfur dioxide reacts with chlorine at 227 oC: SO2(g) +Cl2(g) ↔ SO2Cl2(g) Kp for this reaction is 5.1 x 10-2 atm-1. Initially, 1.00 g each of SO2 and Cl2 are placed in a 1.00 L reaction vessel.
Pyridine(C5H5N) is a weaker base in H2O than 2,6 lutidine (dimethylpyridine), but we observe that the pyridine-BF3 complex is more stable than the comparable lutidine-BF3. Explain the reason for this inversion in stabilities.
How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees celcius to H2O at the temperature of 25.0 degrees celcius? Express your answers in kilojoules
Giving examples give the mechanisms of Aldol condensation between two molecules of aldehydes and two molecules of ketones
Draw the structure of the carbocation intermediate leading to the formation of 3-methyl-1-butene. Use the (+) and (-) tools to adjust charges as necessary
Write the reactions responsible for the LIQUID PHASE oxidation of S(IV) to S(VI), and show how the oxidation can lead to a decrease in pH of rain water.
A 2.50 g sample of an unknown gas occupies 885 mL at 697 mm Hg and 40 C. What is the molar mass of the unknown gas
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
A gas mixture contains 1.25 g N2 and 0.85 g O2 in a 1.55-L container at 18 °C. Calculate the mole fraction and partial pressure of each component in the gas mixture.
For the reaction: 2NO(g)+2H2(g)-->2H2O(g) at equilibrium in a 4.0L container at 25oC. Suppose 2.5 mol of each component initally is put into the container. At equilibrium 2.5 mol of NO is present. What is Kc for the reaction at the temperature?
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