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Two students are debating whether methanol, CH3OH(l), or propanol, C3H7OH(l), is the better fuel. One student states that methanol produces more heat than an equal mass of propanol. Design the procedure for an experiment that you might conduct in order to prove or disprove this student's statement. Include a list of materials you would use.
Calculate the work done in Joules (for each case) when one mole of an ideal gas, initially at P = 9atm, T = 298K is expanded isothermally to P=1atm if
Describe the ideas behind direct comparison and standard addition methods in the analysis of ICP-OES
How many liters of 13.5 molar HCl stock solution are needed to make 10.5 liters of a 1.8 molar HCl solution?
At 25 oC the solubility of copper(II) iodate is 3.27 x 10-3 mol/L. Calculate the value of Ksp
What impact does the presence of moisture in the unknown
Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway enzyme that results in the inactivation of that enzyme
determine how do you know if there must be a precipitate or not and Show whether or not a precipitate will form if The Ksp of PbI2 =9.8×10-9
the water solubility of L-alanine is 127g/L at 25 degrees celsius, what is the water solubility of D-alanine at 25 degrees celsius?
Calculate ?G for the reaction A+A--> P+ Q at 37 degrees C when the equilibrium concentrations are [A]=1 µM [Q]=2 mM, [P]=4 mM. Is the reaction exergonic or endergonic under standard conditions
Car manufacturers are developing engines that use H2 as fuel. In locations where hydroelectric plants produce inexpensive electric power, the H2 can be made industrially by the electrolysis of water.
Identify the element oxidized and reduced in the following redox rxn. Also indicated the number of electrons lost/gained by each atom.
what are the main sources of error in a calorimetry experiement. describe at least three errors.
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