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A solution of NaOH(aq) contains 11.6 grams of NaOH in 129 mL of solution. Calculate the pH at 25C.
Calculate the mass in grams for a sample of Al that absorbs 1.70kJ when the temperature increases from 56 degree Celsius to 177 degree Celsius?
A Power plant is the main point source of SO2 emissions for a 25 km2 area. Estimate the steady-state concentration of SO2 for this area from this point source given the following temperature data. Windspeed= 5km/hr.
You burn 0.0956 g of the compound and isolate 0.1356 g of CO2 and 0.0833 g of H2O. What is the empirical formula of the compound.
When 31.7mL of 0.235M Potassium hydroxide is required to completely neutralize 26.0mL of a HC 2 H 3 O 2 solution, calculate the molarity of the acetic acid solution.
Evaluate the operating conditions of the chiller - what temperature must the chiller operate if the product streams are also at 1 atm total pressure?
what is the molecular geometry around each central atom: CH2CH2(double bond) C=? C=? Also, for CH3 O CH3 C-O-C C=? O=? C=.
A certain second-order reaction has a rate constant of 1.10×10-3 at 27 C and an initial half-life of 226 . What is the concentration of the reactant after one half-life?
A steel tank has a volume of 438 liters and is filled with 0.885 kg of Oxygen. Calculate the pressure of oxygen at 21 degrees Celsius.
A fuel gas containing 22% CO, 13% CO and 65% N2 by volume is combusted with theoretic amount of air in a furnance to heat solid burden material.
In the event of a severe and prolonged shortage of petroleum, suggest one alternative fuel that could be used for automobiles. What do you see as the advantages and disadvantages of your choice of alternative fuel?
How much heat is required to vaporize 353 g of liquid ethanol at its boiling point? ΔHvap = 38.6 kJ/mol.
E85 fuel is a mixture of ethanol and gasoline. What mass in kilograms of E85 (d=0.758g/mL) can be contained in a 14.0 L gallon tank.
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