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How many degrees of temperature rise will occur when a 25.0 g block of aluminum absorbs 10 kJ of heat? The specific heat of Al is 0.900 J/g • oC.
After the reaction was completed. The solution was back titrated with a NaOH solution (33.50 mL of 0.1500 M).Calculated the Molecular Mass of MCO3. Determine what is this sample: CaCO3 ; MgCO3; or BaCO3 ?
Suppose that a gas obeys the modified van der Waals equation P(Vm-b)=RT, and that b has a value of 0.0200 dm^3 mol^-1. If 0.500 mol of the gas is reversibly compressed from an initial volume of 2.00 dm^3 to a final volume of 0.500 dm^3 how much wo..
Starting with the supernatant collected after the initial crystallization, suggest a procedure to isolate and purify the R-(+)-phenylethylamine enantiomer.
what is the concentration of the new solution if 2.0 ml of h2o is added to 8.0 ml of a 0.30 m solution to make a new
How many grams of steam at 105 degree celcius must be mixed with 25g of ice at -15 degree celcius in an adiabatic calorimeter with a heat capacity of zero in order to produce a final mixture
Why will white phosphorus spontaneously flare up on air and red phosphorus won't? Please explain the connection with chemical structures
The enthalpy of vaporization of water at 373 K and 1 bar is 40.7 kJ/mol and the molar heat capacities are 75.3 J/(mol K) for liquid and 33.6 J/(mol K) for gaseous water. Find the enthalpy of vaporization of water at 273 K and 1 bar.
Show the retrosynthesys for 1ciclohexil-2-pentanona? The reactive is suppose to be bromociclohexano
If 19.6 mL of the HCL solution is required to reach the stoichiometric point in the titration, what is the molar concentration of the HCL solution
calculate the molarity of a solution of glycerol made by dissolving 50.000 glycerol at 15 in enough water to make
A sample of water is collected over water at a total pressure of 616.8 mmHg at 300 C. The vapor pressure of water at 300 C is 31.8 mmHg.
consider the dissolution of mns in water ksp 3.0 times 10-14.nbspmnss h2ol mn2aq hs-aq oh-aqhow is the solubility
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