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For NH3 gas the standard enthalpy of formation Hf= -46 kJ/mol. Compute the heat of reaction when 1 mol of hydrogen gas reacts with excess nitrogen gas to produce NH3 at 298K and constant pressure 1 atm.
box contains a mixture of small copper spheres and small lead spheres. the total volume of both metals is measured by
The reaction between sulfur dioxide and oxygen is exothermic. 2 SO2 (g) + O2 (g) 2 SO3 (g) Which of the following factors will cause the equilibrium to be shifted to the right
There are two different schemes you could use to synthesize 4-ethyl-3-heptanol using a Grignard reagent and a carbonyl-containing compound
the solubility of phthalic acid is water is 0.54g100 ml at14degc 18g100 ml at 100degc. how many ml of boiling water are
If 5.400 g of C6H6 is burned and the heat produced from the reaction is absorbed into 5691 g of water and 21 degrees C, what is the final temperature of the water?
The value for Ksp for manganese(II) hydroxide, Mn(OH)2, is 1.6 x 10^-13. Calculate the molar solubility of Mn(OH)2 in a solution that contains 0.020 M NaOH.
Sulfuric acid in water dissociates completely into H+ and HSO4-; ions. The HSO4- ion dissociates to a limited extent into H+ and SO4(2-). The freezing point of a 0.1000; solution of sulfuric acid in water is 272.72 Calculate the molality of SO4(2-..
the concentration fo certain sodium hydroxide solution was determined phthalateabbreviated as khp. khp is an acid with
how many grams of oxygen gas are required to produce 7.68 kj of heat when hydrogen gas burns at constant pressure to
A student synthesized benzyl acetate following Fischer esterification, and combined 3.4 mL benzyl alcohol (MW = 108.14 g/mol, ?= 1.044 g/mL) and 0.57 mL acetic acid (MW = 60.05 g/mol, , ?= 1.049 g/mL) under reflux for 50 minutes.
Propose a neutral structure for each compound that is consistent with the data. Note that the absolute stereochemical configurations of chiral substances cannot be determined from the data. Arbitrarily draw a configuration for an enantiomer (and b..
q1 a molecule a c9h20 can be hydrogenated to give ethane. molecule a can also be reacted with hbr to form a different
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