mixing 1 mole of pure H2SO4 into 50 moles of water will make a 1.1 m solution of aqueous sulfuric acid in the process 73 kJ of heat will be released. Estimate the temperature increase of water that will take place if all of the released heat is absorbed by the water
mixing 1 mole of pure H2SO4 into 50 moles of water will make a 1.1 m...
1- Calculating [H+] for Pure Water: In a certain acidic solution at 25 ∘C, [H+] is 100 times greater than [OH −]. What is the value for [OH −] for the solution? In a certain acidic solution at 25 , [] is 100 times greater than [ ]. What is the value for [ ] for the solution? 1.0×10−8 M 1.0×10−7 M 1.0×10−6 M 1.0×10−2 M 1.0×10−9 M 2. ± Acid-Base Relationships in Water: Water ionizes by the equation H2O(l)⇌H+(aq)+OH−(aq)The...
Problem 2.1 The feed to an ammonia synthesis reactor contains 25 mole% nitrogen and the balance hydrogen. The flow rate of the stream is 3000 kg/hr. Calculate the rate of flow of nitrogen into the reactor in kg/hr. (MW N2-28 g/mol and MW H2-2 g/mol) Problem 2.2 A 40-wt% aqueous sulfuric acid solution is prepared by mixing pure sulfuric acid (100-wt%; density, ρ = 1.84 g/mL; molar mass, Mw-98 g/mol) with pure water (ρ = 1 g/mL, MW = 18...
A solution is prepared by dissolving 27.75 g sulfuric acid, H2SO4, in enough water to make exactly 200.0 mL of solution. If the density of the solution is 1.1094 g/mL, what is 1. Weight % of H2SO4 in the solution? 2. Mole fraction of H2SO4 in the solution? 3. Molarity of H2SO4 in the solution? 4. Molality of H2SO4 in the solution?
Calorimetry 1. Consider the following data: 4.99 g g 50 g 24 C 38.7 °C 111.1 g/mol Mass of CaCl Mass of Water Intial Temperature Final Temeprature Molar Mass of CaCl2 (a) Calculate the heat of solution. (AH) Assume that the specific heat of the solution is the same as water, 4.184 J/g- C and that no heat is gained or lost by the cup. (4 pts) (b) Calculate the number of moles of CaCl2. (3 pts) (c) Calculate the...
A solution is prepared by dissolving 27.75g Sulfuric Acid, H2So4 in enough water to make exactly 200. mL of solution. If Density = 1.1094g/mL What is the Mole Fraction of H2S04?
Mixing 25.0 mL of 1.2 M HCland 25.0 mL of 1.1 M NaOH were mixed. The temperature of the initial solution was 22.4 oC. Assuming a Heat of Neutralization of -55.8 KJ/mol, what would the final temperature be if the specific heat for this solution is 4.03 J/g?
Part IlI Heat of Neutralization of Weak Acid, HC,H,O, and Strong Base, NaOH Balanced reaction: 1) Temperature of S0 mL of 2.0 M HCHO, before misxing 2) Temperature of 50 mL of 2.0 M NaOH before mixing 3) Temperature of 100 mL of solution after mixing 4) Assume that the density (1.00 g/ml) and specific heat of the solution (4.184 1-g' C') are the same as pure water. The heat gained by the solution is Calculation Using the heat capacity....
Mixing 4 moles A and 1 mole B results in absorption of 50 J (ie, heat of mixing, n△Hmix) at constant T 300 K and P 1 bar. No other chemical reaction or significant volume change are found, and mechanical work by the mixer may be ignored. Determine the values of ASmix, AGmix, and GE at 300 K.
Mixing 4 moles A and 1 mole B results in absorption of 50 J (ie, heat of mixing, n△Hmix) at constant T...
A 50 ml sample of a 1.0 M solution of CuSO4 is mixed with 50 mL of 2.0 M KOH in a calorimeter. The temperature of both solutions was 23.9°C before mixing and 33.5°C ofter mixing. The heat capacity of the calorimeter is 12.1 J/K. From these data, calculate AH for the process: CuSO4 (1M) + 2KOH (2M) - Cu(OH)2 (8) + K2504 (0.5M) Assume that the specific heat and density of the solution after mixing are the same as...
A solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water make 100.0 mL. What is the molarity? A) 1.940 M H2SO$ B) 0.1810 M H2SO4 C) 1.810 M H2SO4 D) 0.1775 M H2SO4