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A 1.000 gram sample of an alcohol was burned in oxygen to poduce 1.913g of CO2 and 1.174g of H2O. The alcohol contained only C,H, and O. What is the simplest formula of the alcohol?
octane has a density of 0.692 gml at 20 degrees celcius. how many grams of o2 are required to burn 1.50 gal of
a graduated cylinder contains 18.0 ml of water. what is the new water level after 35.6 g of silver metal with a density
A rock is a mixture of Uranium-238 and Lead-206. The molar ratio of Lead to Uranium is .1956. If the half-life for Uranium-238 is 4.5e9 years, how old (in years) is the rock
What is the mass percent of MgO in the mixture? Assume that only the MgO reacts with CO2.
C2H5OH(aq)+2Cr2O7^2-(aq)+16H+(aq)---> 2CO2(g)+4Cr^3+(aq)+11H2O(l) What is the blood alcohol level in mass percent if 8.26mL of 0.04988 M K2Cr2O7 is required for titration of a 10.005g sample of blood?
Hydrogen sulfide () is a common and troublesome pollutant in industrial wastewaters. One way to remove is to treat the water with chlorine
A beaker containing 250 mL of a 0.500 M solution of acetic acid COOH) is added to 125 mL of a 0.850 M solution of sodium carbonate. The reaction that ensues produces carbon dioxide, sodium acetate COONa), and water. How many grams of carbon dioxid..
It is known that N2O is a linear molecule, but assume it is not known whether the structure is N-N-O or N-O-N. Use the IR data to decide between the two structures. What Vibrations can be assigned to the strong absorbtion bands? What are the possi..
the cup is a volume widely used by cooks in the u.s. one cup is equivalent to 237 cm3. if 1 cup of olive oil has mass
What is the minimum volume of 2.6 M HBr required to completely dissolve 25.0 g of potassium metal?
strontium nitrate and calcium carbonate are soluble salts B. barium fluoride and lithium chloride are soluble salts C. barium nitrate and sodium phosphate are soluble salts
Write a complete reaction mechanizm for this based catalysed transesterification reaction. Rather than starting with a complete oil molecule , given for thereaction between the follwoing ester andmethanol in the presence of NaOH
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