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At a certain temperature the equilibrium constant for the subsequent chemical equation is 2.80. At this temperature compute the number of moles of NO2(g) that should be added to 2.52 mol of SO2(g) in order to form 1.20 mol of SO3(g) at equilibrium.
SO2 (g) + NO2 (g) ---> SO3 (g) + NO (g)
If fuel mixtures are required to contain 3.0 oxygen by mass, how many grams MTBE must be present in each 110 gasoline.
A 3.18 L sample of hydrogen chloride (HCl) gas at 1.64 atm and 31 degrees C is completely disolved in 710 mL of water to form hydrochloric acid solution. Calculate the molarity of the solution. Assume no change in volume
What is the fraction of association for the following potassium propinate solutions? Ignore activities. The Ka of proponoic acid is 1.34*10^-5.
suppose that 0.90 grams of water condenses on a 75.0 grams of block of iron that is initially at 20 degrees celcius.
How many grams of cobalt (III) chloride and of hydrogen fluoride are needed to prepare 100.00 grams of cobalt (III) fluoride
A high jumper of mass 80.0 kg consumes a meal of 2.00 103 kcal prior to a jump. If 3.3% of the energy from the food could be converted to gravitational potential energy in a single jump, how high could the athlete jump
A 0.831-g sample of SO3 is placed in a 1.00 L container and heated to 1100 K. The SO3 decomposes to SO2 and O2: 2SO3 (g) 2SO2 (g) + O2 (g). At equilibrium the total pressure in the container is 1.300 atm.
Explain how many neutrons are emitted when a californium-249 nucleus (Z=98) is bombarded with a carbon-12 nucleus to produce a >257/104 Rf
Explain the effect of that mistake on the calculated molarity MB. (Will the experimental MB calculated by Student A be higher or lower than the true MB value?)
Calculating concentration at equilibrium, The equilibrium constant Kc for the reaction is 54.3 at 430 deg C
Predict the chemical formulas and IUPAC names of the missing reactants or products, to complete the following chemical reactions
The activation energy for the formation of HCl from its elements: H2 (g) + Cl2 (g) → 2 HCl(g) is 155 kJ mol-1. How much faster will this reaction occur at 200°C versus at 100°C?
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