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An endothermic third-order reaction 3A ? 2B + C is carried out in a batch reactor. The reaction mixture is heated to 400°C. The reaction then proceeds adiabatically. During the heating period, 10 mol-% of A is converted. From this instant on, what is the time required to reach a conversion of 70 percent?
The ultimate source of all chemical products is the earth (including its water and atmosphere). Sulfuric acid is a good example. It is made from burning sulfur in air to make sulfur trioxide then reacting the sulfur trioxide with water.
a. what is the ph of a solution prepared by adding 20.0ml of 0.10macetic acid and 10.0ml of 0.10m sodium acetate?b.
If we have a solution that contains 0.022 M Calcium and 0.014 Magnesium and we have to use potassium hydroxide to selectively precipitate one of the ions, while leaving the other ion in the solution.
Convert the P-V (P on the Y axis) diagram (Fig. 3.2 on your book or slide 11 on lecture 4) for the Carnot cycle to a T-S diagram (T on the Y-axis). Show step by step solutions/explanations. What is the area of the enclosed portion and what does it re..
ichromate solution is 0.0189 M dichromate, and it took 26.01 mL of your standard iron solution to titrate the excess dichromate in an unknown. What is the chemical oxygen demand of the sample, in units of mg O2/L?
Given the initial concentrations of 0.10 atm NO2 and 0.10 atm N2O4 in a 1.0 L flask, what will be the equilibrium partial pressure of NO2? N2O4(g) ? 2 NO2(g) Kp = 0.660 at 319 K
Determine the percent by mass of calcium carbonate in the sample
Question- A solution of sodium sulfate is added dropwise from a buret to a solution that contains 0.10 M lead (II) nitrate and 0.10 M radium nitrate (neglect volume changes).
Calculatethe number of grams of alcohol present in 1.00L of 75 proof gin The density of ethanol is 0.798g/mL.
What is the molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6, mol wt = 180 g/mole) in 35.5 mL of solution
The statements in the following multiple choices deal with the concept of equilibrium. Choose the statement which is true. a) At equilibrium the speed of a reaction equals its rate constant.
Question- The molar enthalpy of vaporization of methanol, CH3OH, is 35.3 kJ/mol at 64.6 C. How much energy is required to evaporate 500 grams of this alcohol at this temperature
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