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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?
What volume and mass of steam at 100C and 760.torr would release the same amount of energy as heat during condensation as65.5 cm3 of liquid water would release during freezing?
Compute the freezing point of the solution (assume a density of 1.00 g/ml for water) and Compute the boiling point of the solution (assum a density of 1.00 g/ml for water)
The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 130J of heat. As it expands, it does 76kJ of work. What is the change in internal energy for the system?
Lewis Structure for a Nitrate Ion (NO3-1). How many possible resonance structures are there for the nitrate ion
Codeine, C18H21NO3, is a weak base. A 5.0x10-3 M solution of codeine has a pH of 9.95. Compute the value of PKb for the substance.
If doing by hand, please write dark onpaper before scanning. Balance and do total net ionic equations
How many moles of CF4 can be produced when 5.00 mol C react with 12.00 mol F2.
Consider the dissolving of ammonium chloride in water: If you were to hold a test tube in your hand and perform an experiment by dissolving ammonium chloride in water, would energy be released to or absorbed by your hand
What mass of this substance must evaporate in order to freeze 250 g of water initially at 15 C? (The heat of fusion of water is 334 {J/g}; the specific heat of water is 4.18 {J/g c.K}.)
A particular reactant decomposes with a half-life of 145 s when its initial concentration is 0.389 M. The same reactant decomposes with a half-life
determine the specific heat capacity of a metal that has a mas of 14 grams. as the metal cools from 400 degrees celcius
An excess of aqueous AgNO3 reacts with 41 mL of 5 M K2CrO4(aq) to form a precipitate. What mass of the percipitate is formed
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