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How many moles of a reducing agent are used in a reaction containing 1.5L of this material which possesses a density of 0.8 and a molecular weight of 56?
On the gas chromatography graph, 3 peaks will result along with the fourth peak being the starting material, which is suppose to be a small peak. What factors could contribute to the starting material peak to be very large
Compare and contrast the number of representative particles and the mass of UF6 with the number of representative particles and mass of CCl3CF3. Explain any differences you observe.
What is the concentration of lead ions and sulfide ions in a saturated solution of lead sulfide(PbS) solution at 25 degrees Celsius? (Ksp=3.0x10(to the -10 power)
Calculate the adiabatic flame temperature if one mole of CH4(g) is burned in two moles of O2(g) at an initial temperature of 298 K. Assume that the combustion occurs at constant pressure according to the reaction
Rate Constant with Temperature Changes, Rearrangement of methyl isonitrile to acetonitrile has activation energy of 25.0 kJ/mol and a rate constant of 8.1*10^-4s-1 @ 80 Celsius.
A concentration cell is built based on the following half reaction by using two pieces of zinc as electrodes (each weighing 100.0 g), two Zn2+ solutions
If 250 ml of H2SO4 of unknown concentration with a methyl orange indicator present is titrated with [0.345 M] NaOH, the red solution turns yellow after 20.4 ml of the NaOH is added. What is the molarity of the H2SO4 solution
Compute the enthalpy change for this reaction per mole of this substance and dissolves via the reaction and the temperature of the solution rises to twenty eight degree celsius.
A chemist dissolves 253 mg of pure perchloric acid in enough water to make up 330 ml of solution. Calculate the pH of the solution.
Write a balanced equation with phase changes for an electrochemical cell that has a copper cathode immersed in a solution of cu+2 ions and a lead anode immersed in a solution of Pb+2 ions
A healthy individual has a blood glucose concentration reported as 122 mg/dL. convert that to units of g/L
Write contributing (important) resonance structures for each of the following compounds and predict their relative C=O vibrational frequencies based on the importance of the contributing resonance structures. List in them order from highest to low..
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