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Complete reaction of 4.00 grams Al at 25 celsius and 1.00 atm releases 124.1 kJ heat to the surroundings. What is the enthalpy change of the reaction at 25 celsius and 1.00 atm in kj/mol rxn.
At T=293K and at 50% relative humidity, the pressure of water vapor in equilibrium with liquid water is 0.0115atm. Using the information in P1.8, determine what mass of water is inhaled per hour and the net loss of water through respiration per ho..
When the coal is burned, it produces SO2 emissions which then reacts with calcium dioxide to form solid calcium sulfite. If the coal is burned in a plant that uses 1784 tons of coal per day what is the daily productionof calcium of sulfite in Kg (..
How many g of ethanol do I need to burn in excess oxygen in order to recover 5.0 g of water if the reaction has 75% yield
If you a litre (1000mL) bottle of oil in your engine, how much heat is produced in kcal?In BTU To solve this problem you must know the density of motor oil is .82 g/mL.
The Ksp of beryllium hydroxide, Be(OH)2, is 6.92 x 10^-22. Calculate the molar solubility of this compound
How large should n be in order to approximate the integral from 0 to 1 sin(X^2) dx accurate to with in .001 using the midpoint rule
After it reaches steady state, the iron is quickly cooled to room temperature. The carbon concentration at the carbon-rich surface is determined to be 8.415x10^0 at%
consider the reaction of chloromethane with oh- in aqueous solutionnbspnbspnbspkfch3cl aq oh- aq ----gt ch3oh aq cl-
Calculate the mass ( kg ) of the solute C4H8O and the volume ( mL ) of the solvent C6H6 that should be combined to generate 6450 g of a solution that is 2.07 m C4H8O.
Draw orbital-filling diagrams for atoms with the following atomic numbers. Show each electron as an up or down arrow, and use the abbreviation of the preceding noble gas to represent inner-shell electrons
If the reaction is first order in A and second order in B, what is the rate when the initial concentration of A = 2.30 mol/L and that of B = 2.03 mol/L
How long will it take for 75% of nitrogen dioxide to decompose if the initial concentration of nitrogen dioxide is 1.33M
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