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Explain why the major product of bromination of vanillin was 5 bromovanillin and not 2 bromovanillin or 6 bromovanillin.
When 1717 J of heat energy is added to 40.0 g of ethanol, C2H6O, the temperature increases by 17.5 °C. Calculate the molar heat capacity of C2H6O.
According to valence bond theory, the triple bond in ethyne (acetylene, C2H2) consists of A) three sigma bonds and no pi bonds B) two sigma bonds and one pi bond C one sigma bond
A balloon containing 34.5 L of a gas at room temperature (25.0 oC) is heated to 73.5 oC. What is the volume of the balloon at this new temperature?
Both hemoglobin and myoglobin contain a prosthetic group called heme, which contains a central iron atom. Molecular oxygen binds irreversibly to the Fe(II) atom in heme.
After allowing the solution to sit for 30 minutes the student determines that the bromide concentration was [Br-]= 0.0012 M. What is the Pb2+ concentration?
clockwise direction around a circular track with a constant speed of 200 km/hr. if is at the southernmost end of the track then determine the velocity of the car?also express your answer in M/S
When 1.441 g of this compound (molar mass = 195.80 g/mol) was burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 4.337 degrees Celsius. What is the heat capacity (calorimeter constant) of the calorime..
Adrenaline is the hormone that triggers the release of extra glucose molecules in times of stress or emergency. A solution of 0.64 g of adrenaline in 36.0 g of CCl4 elevates the boiling point by 0.49°C. What is the molar mass of adrenaline?
A compound of iodine and cesium contains 69.75 g of metal and 66.20 g of nonmetal. How many grams of cesium are in 38.52 g of compound? How many grams of iodine
What is the total sample size (in grams) for a sample of disulfur octoxide which contains 3.29 g of oxygen
Calculate the standard entropy of the condensation of chloroform at its boiling point, 335 K. The standard molar enthalpy of vaporization of chloroform at its boiling point is 31.4 kJ x mol-1.
what is the relationship between the carbon to nitrogen bond lengths and bond order for HCN molecule
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