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Suppose the burning of magnesium becomes uncontrolled (it burns brightly). How will this procedural error affect the reported mole ratio of oxygen to magnesium in the analysis
the vapor pressure of a solution containing 53.6 g glycerinc3h8o3 in 133.7 g ethanol c2h5oh is 113 torr at 40.0 degrees
For an elderly patient with impaired renal function, the dose is reduced to 250 mg every 6 hours. Calculate the reduction in the daily dose, in milligrams.
Using the orbital diagram outline steps used to describe the formation of a set of sp2 hybridized orbital for a carbon atom
Ethanol, C2H5OH, boils at 78.29 degrees celsius. How much energy, in joules, is required to raise the temperature of 1.00 kg of ethanol from 20.0 deg C to the boiling point and then to change the liquid to vapor at that temperature.
A 9.4-g sample of powdered titanium was added to a graduated cylinder originally containing 6.8 mL of water. After addition of the titanium, the water level in the graduated cylinder was 8.9 mL. What is the density of titanium
The molecular formula for lactic acid is C3H6O3, and its structural formula is CH3CH(OH)COOH. Is this molecule a carbohydrate. Explain.
A molecular model of NO3- is shown below. Based on the best Lewis electron-dot structure for NO3- and formal charge considerations, what is the predicted N-O bond order for each N-O bond
a cylinder of He gas has a volume of 25.0L at 22 degrees C and 5.6atm. How many moles of He are in such a cylinder?
Calculate the solubility of Carbon Dioxide in water at an atmospheric pressure of .50 atm.( a typical value at high altitude). Atmospheric Gas: CO2 Mole Fraction
A hypothetical Fresnium (Fn) is placed in a solution of 1 M fresnium nitrate, and a standard copper reference electrode is also placed in the solution.
Water has a density of 1 g/cm3. How much pressure would a column of water exert that has a cross sectional area of 1 cm2 and a height of 100 cm
What is the molar concentration of a H3PO3 solution if 150.00 mL of the solution was required to neutralize 75.00 mL of NaOH whose concentration was 1.50 molar?
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