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If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 94.11 g/mol, how many grams of this compound must you burn to release 256.70 kJ of heat?
Describe the characteristic IR absorption frequencies in cm -1 that would allow you to distinguish between the following pair of compounds.
How many ml of 2.00M H2SO4 are required to neutralize 50.0mL of 1.00M KOH?
While in Europe, if you drive 117km per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 41.0km/L ?
Standard state is the physical state in which a substance is stable at 1 atm of pressure and a specified temperature
has freezing point depressiom constant of 42.8 C/molal .if you mix 29.67 grams of camphor with 4.28 grams of triose (C18 H32 O11), wht will be the new melting point of the mixture
Combustion of 7.20 g of this compound produced 14.4 g of CO2 and 5.89 g of H2O. What is the emperical Formula of the unknown compound?
They have a polar end b. The have a hydrophobic end c. The are often sodium slats of long chain fatty acids. d. The hydrophilic end of the soap molecules is attracted by grease. e. they precipitate in water that contains Fe3+ ions
13When heated in a flame, sodium atoms emit light with a frequency of 5.09 × 1014 s-1. What is the wavelength of this radiation in nm? [Data: c = 2.998 x 108 m/s ]
specific brand of gourmet chocolate candy contains 7.00 rm g of dietary fat in each 22.7-rm g piece. How many kilograms of dietary fat are in a box containing 4.00 lb of candy?
When 0.549 moles of a certain gas fill a balloon the volume is 75 mL. If enough of the same gas is added to the balloon until 1.44 moles of gas are present, what is the new volume of the balloon?
Calculate the following quantity: final volume of a 0.0521M solution prepared by diluting 24.7 ml of a 0.136M lithium carbonate with water
Which compounds are completely water soluble. Which compounds are insoluble in water.
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