(c) Give the structure of 3, a mechanism for its formation, and an explanation of the stereochemical outcome of the reaction. You must also state how many peaks you would expect in the 'H NMR spectrum of 3. You do not need to give the multiplicity of the peaks CH2Cl2 [4 MARKS] (d) Draw out a general reaction scheme that...
E1 and E2 Reactions: Predicted Ability: Good Average Poor Actual Ability: Good Average Poor When determining which mechanism (E1 or E2) occurs, the following process is helpful: 1) Determine the substitution (methyl, 1º, 2º, or 3º) of the alkyl halide 2) Determine the strength of the nucleophile Please fill out the following table, indicating the category of reaction (E1 or...
The fizz produced when an AlkaSeltzer® tablet is dissolved in water is due to the reaction between sodium bicarbonate, NaHCO3, and a triprotic organic acid, citric acid, H3C6H5O7. The products of this reaction are carbon dioxide gas, water, and sodium citrate. 3 NaHCO3 (aq) + H3C6H5O7 (aq)→ 3 CO2 (g) + 3 H2O(l) + Na3C6H5O7 (aq) In an experiment 1.00...
Consider the balanced chemical reaction for the complete combustion reaction of cyclopropane gas (C,H): a) What compounds are on the left of the reaction (reactants)? Provide the names in alphabetical order (not the formulas, and don't worry about the stoichiometric coefficients for this part), and write the states of each matter **For example if you have 2 NO, (g), you...
The Nernst equation is the one of the most important equations in electrochemistry. At standard temperature, 25 ∘C or 298 K, the equation has the form E=E∘−(0.0591n)logQ where E∘ is the standard reduction potential for the reaction in volts and Q is the reaction quotient. The reaction quotient has the usual form Q=[products]x[reactants]y A table of standard reduction potentials gives...
At equilibrium, the concentrations of reactants and products can be predicted using the equilibrium constant, Kc, which is a mathematical expression based on the chemical equation. For example, in the reaction aA+bB⇌cC+dD where a, b, c, and d are the stoichiometric coefficients, the equilibrium constant is Kc=[C]c[D]d[A]a[B]b where [A], [B], [C], and [D] are the equilibrium concentrations. If the reaction...
At equilibrium, the concentrations of reactants and products can be predicted using the equilibrium constant, Kc, which is a mathematical expression based on the chemical equation. For example, in the reaction aA+bB⇌cC+dD where a, b, c, and d are the stoichiometric coefficients, the equilibrium constant is Kc=[C]c[D]d[A]a[B]b where [A], [B], [C], and [D] are the equilibrium concentrations. If the reaction...
Over the past 25 years, the firm's economic analyst has made 100 predictions about economic performance in a quarter. These predictions and the real outcomes are described by the following table. Reality Predictions Strong Stable Weak Collapse Total Predict Strong 18 3 1 0 22 Predict Stable 6 40 3 1 50 Predict Weak 1 2 20 2 25 Predict...
The decay of ozone residual in an aqueous solution has sometimes been described as a first order reaction, as shown below: Given the following data please detemine the decay constant, k Residual Ozone Concentration (mg/L) 0.31 0.28 0.21 0.17 0.15 0.12 0.1 0.09 0.07 0.06 0.05 0.05 0.04 0.03 Decay time (min) 0 2 3 4 5 6 7 8...
Please help with these two questions :(
1. How much energy (in kJ) is evolved during the reaction of
76.9 g of Al, according to the reaction below?
Fe2O3(s) + 2 Al(s) →
Al2O3(s) + 2 Fe(s) ΔH°rxn = -852
kJ
Assume that there is excess Fe2O3.
2. A 12.43 g sample of ethanol (C2H5OH) is
burned in a bomb...