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When 37.0 mL of 0.640 M H2SO4 is added to 37.0 mL of 1.28 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and KOH reacted. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are the same as for pure water: d = 1.00 g/mL and c = 4.184 J/g×K.) H per mole of H2SO4 reacted: kJ/mol H per mole of KOH reacted
How much heat, in calories, does it take to warm 540 grams of water from 11.0 degrees Celsius to 37.0 degrees Celsius
What is the theoretical yield (in grams) of the precipitate when 22.2 g of iron(II) chloride reacts in solution with 10.91 g sodium hydroxide
A 32.65-g sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 54.00 mL
a) what is the new volume if 0.500 mol of O2 gas is added? b) Oxygen is released until the volume is 10.0 L. How many moles of O2 are removed? c) What is the volume after 4.00 g of He is added to the 4.80 g of O2 gas in the container
A sample of nitrogen gas at a pressure of 698 mm Hg and a temperature of 86oC, occupies a volume of 14.4 liters. If the gas is heated at constant pressure to a temperature of 116 oC, what the volume of the gas sample will be in L.
* State what the patient can include and avoid in her diet on a regular basis to avoid these symptoms in the future.
The concentration of urea (MW=60.0g/mol) in a solution prepared by dissolving 16 g of urea in 39 g of H2O
Consider the following. You identify a line with a wavelength of 503 nm. Describe how you would go about determining which of the lines in table 1 of the experiment guide that it corresponds to.
what volume of 0.366M Ni(NO3)2 is required to completely react with 55.8 ml of 0.500M Na2CO3.
Calculate Kp for the reaction 2NOCl(g) ->2NO(g) + Cl2(g) at 400degrees C if Kc at 400 degrees C for this reaction is 2.1 × 10-2
What is the hybridization of the nitrogen atom in sulfathiazole? Assuming that the sulfur atom is sp2-hybridized, how many -electrons are there in the sulfathiazole ring?
A person inhales air richer in O2 and exhales air richer in CO2 and water vapor. During each hour of sleep, a person exhales a total of 300. L of this CO2-enriched and H2O-enriched air. (a) If the partial pressures of CO2 and H2O in exhaled air ar..
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