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1. Determine the density of the object in g/cm^3 if an object weighing 1.840 kg has volume of 0.0015m^3?
2. A man wants to determine what ventilation rate (minimum) in m3/hr will be essential to keep the carbon monoxide concentration in his garage from the dangerous level of 1600 ppmv? What is your answer in this case?
A microwave oven operates at 2.40 GHz. What is the wavelength of the radiation produced by this appliance? in nano meters
A tank containing carbon dioxide at 400K and 50 bar is vented until the temperature in the tank falls to 300K. Assuming there is no heat transfer between the gas and the tank
A student needs 65g of butonic acid for a reaction. The student has 450g of a 43% in ethanol.
Determine the molarity of acetic acid in a 15 ml sample of vinegar that requires 22.7 ml of a .550 M solution of NaOH
Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2(g) and H2O(g) and releases 5.64 x 103 kJ/mol sucrose. What is q (heat change) per gram of sucrose oxidized
A cylinder of Nitric Oxide has a volum of 10.0L and a pressure of 16.98 atm at 20 degrees Celcius, the number of moles of NO
The next 6 questions involve the calculation of concentrations of the molecular and ionic species in an aqueous solution that has an analytical composition of 0.260 M KH2PO4 + 0.160 M K2HPO4.
A solution containing sulfide ions is added to selectively precipitate one of the metal ions from solution. At what concentration of sulfide ion will a precipitate begin to form? What is the identity of the precipitate?
What us the partial pressure (in atm) of carbon dioxide and the partial pressure (in atm) of water vapor? (For the purpose of this question, assume ideal gas behavior.)
A gas occupies 4.71 liters at 62°C and 795 torr. What volume will it occupy if it is cooled to 17°C and compressed to 911 torr?
Calculate the mass and volume of 150.0 mmol of isopentyl alcohol and the theoretical yield of isopentyl acetate
Methane is burned in a Laboratory Bunsen burner to give CO2 and water vapor. Methane gas is supplied to the burner at the rate of 5.0 L/ min ( at temperature of 28° C and a pressure of 773 mm Hg).
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