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Oxidizing ethanol and methanol in an experiment, and it is not a safe process. Explain how to know which to add first- sulfuric acid, potassium permanganate, or the alcohol (concentrated methanol or ethanol).
For exemple, the internuclear distance in NaCl(g) is 2.3606 angstrom, whereas in NaCl(s) the shortest Na-Cl distance is 2.814 angstrom
Describe the procedure you will use to determine those cation/anion pairs that produce precipitates. Make sure you include all equipment and amounts of materials you expect to use
The specific heat of zinc is 0.096 cal/(g °C). Determine the energy required to raise the temperature of 29.2 g of zinc from room temperature (20.0 °C) to 150 °C.
For each of the following strong base solutions, determine [OH-], [H3O+], pH and pOH. a) 0.14 M NaOH? b) 1.7x10^-3 M Ca(OH)2? c) 4.5x10^-4 M Sr(OH)2? d) 8.6x10^-5 M KOH
Which of the characteristics has is NOT found in Peptidoglycan? A) The "peptido" parts of Peptidoglycan are peptide crosslinking sections that covalently bind the Petidoglycan strands together
Why is methyl -m- nitrobenzoate formed in the reaction instead of the ortho or para isomers in the methyl benzoate and nitric acid with sulfuric acid as a catalyst
Calculate the total pressure (in atm) of a mixture of 0.0270 mol of helium, He, and 0.0200 mol of oxygen, O2, in a 4-L flask at 20°C. Assume ideal gas behavior.
For the endothermic equilibrium CaCO3(s) + NH4^(+)(aq) + SO4^(2+)(aq) -> CaSO4(s) + NH3(g) + HCO3^(-)(aq), explain the best set of changes to apply in order to increase product yield effectively.
The delta H for the oxidation of S in the gas phase to SO3 is -204 kJ/mol and for the oxidation of SO2 to SO3 is 89.5 kJ/mol. Find the enthalpy of formation of SO2 under these conditions.
How many grams of NaOH and H2O are required to prepare 100 g of a 28.7% NaOH by weight solution?
Calculate the amount of heat needed to convert 96 g of ice at 24 C to water at 28 C. The specific heat capacity of H2O(s) is 2.1 J/(g C).
Write a balanced chemical equation for the neutralization reaction upon which this titration is based, and indicate clearly which atom is being protonated. Then, calculate the equilibrium constant for the neutralization reaction.
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