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How many liters of oxygen collected over H2O and measured at 27 degrees Celsius and 745.0 mm Hg can be prepared by decomposing 4.421 grams of gold (III) oxide? The vapor pressure of H2O at 27 degrees Celsius is 26.7 mm Hg.
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.
I understand the rules for significant figures with multiplication/division, and adding/subtracting. But I am unsure of what to do when there is both multiplication and/or division, and adding and/or subtracting in the same question?
Empirical and Molecular Formula of Adrenaline, Adrenaline contains 59% C, 7.1% H, 26.2% O and 7.7% N and has a molar mass of about 180 g/mol.
Compute the free energy change needed for transport of sufficient protons to make gastric juice of 1 litter at the temperature of 37 degree celsius hence expect above reaction will happen spontaneously?
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
Calculate the freezing point depression constant (Kf) of phenol ? c)If 24.5899g of unknown was added to 838.72g of phenol to prepare the solution, calculate the molar mass (MM) of the unknown.
Identifying Food Groups and Calculating Calories, Question: If one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein
In most amines, the nitrogen atom is hybridized, with a pyramidal structure and bond angles close to 109 . In urea, both nitrogen atoms are found to be planar
Oxygen at 150 K and 41.64 atm has a tabulated specific volume of 4.684 cm3/g and a specific internal energy of 1706 J/mol.
Radio wave radiation falls in the wavelength region of 10.0 to 1.00E+3 meters. What is the frequency of Radio wave radiation that has a wavelength of 426 m.
If you drop 25 g warm nails initial temp 65.4 into coffee cup calorimeter that contains 100.0 g water at 20 degrees Celsius, what will the temperature be.
Calculate the volume (in liters) occupied by 2.08 moles of nitric oxide (NO) at 5.84 atm and 76°C.
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