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Find the ?H for the reaction below, given the following reactions and subsequent ?H values: H2SO4(l) ? SO3(g) + H2O(g)H2S(g) + 2O2(g) ? H2SO4(l) ?H = -235.5 kJH2S(g) + 2O2(g) ? SO 3(g) + H2O(l) ?H = -207 kJH2O(l) ? H2O(g) ?H = 44 kJ
In a titration, 0.0 mL of 0.025 M hydrochloric acid is added to 30.0 mL of 0.030 M ammonia. What is the pH of the resulting mixture?
Compute the molar mass of the noble gas krypton(Kr) in a natural sample, which is 2.2% 80 Kr (molar mass 79.91 g/mol),
Determine what given process is occurring when the color appears in the flame and an electron emits energy and it makes a transition to a higher energy orbital.
calculate the pOH and the pH when 45.0mL of 3.00mol/L potassium hydroxide solution is diluted by adding 100.0mL of water
Using the potential energy diagram below, answer the following questions concerning the given reaction: Draw the structure the is represented by the following 1, 2, 3and 4
the final temperature of both the water and metal is 32.81 degrees C. The specific heat of water is 4.184j/g*K. What is the speciic heat of the metal?
When 14C labeled 4-hydroxyproline was administer to rats, the 4-Hydroxyproline in newly synthesized collage was not radiolabeled
prepare a MO energy-level diagram for NO, showing clearly how the atomic orbitals interact to form MOs.
Write equations for the reaction of the glyceride written in question 1 above with each of the following: a. an aqueous solution of sodium hydroxide b. hydrogen in the presence of a catalyst and at elevated temperature and pressure c. a 5% solutio..
A piston has an external pressure of 11.0 bar . How much work has been done if the cylinder goes from a volume of 0.150 liters to 0.570 liters.
A buffer solution is prepared by dissolving 1.50 g each of benzoic acid, C6H5CO2H, and Sodium Benzoate, NaC6H5CO2, in a 150.00 ml of solution. The Ka for benzoic acid = 6.3E-5.
How much PV work is done if 88.0 grams of C 2H 4 ethylene and 120 grams of hydrochloric acid HCl are permitted to react at atmospheric pressure and the volume change = -70.3 Litres?
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