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What alkene (including cis and trans isomers) would be produced by the dehydration of the following alcohols? Where possible, predict the relative amounts of each product according to Zaitsev's rule. a. 3-pentanol b. 2-methyl-2-butanol c. 1-butanol d. 2-methyl-1-butanol
When a 0.250 gram sample was studied by combustion analysis, 0.451 grams of CO2 and 0.0617 grams of H2O was formed. Calculate the molecular formula.
predit the products of the reactions of phenylacetaldehyde,c6h5ch2cho,with the following reagents: 1) NaBH4 then H3O+ 2)aqueous acidic CrO3 3)NH2OH 4)CH3MgBr, then H3O+ 5) CH3OH, H+ catalyst
Iron has a density of 7.874. g/cm3. What is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000 cm by 5.000 cm
Calculate the molar heat (enthalpy) of combustion for butyric acid.
As a separation and detection method, would TLC or paper chromatography yield better results in the analysis of each of the following pairs of compounds
The vapour pressure of a substance at 20.0 oC is 49.3 kPa and its enthalpy of vaporisation is 40.6 kJ mol-1. Estimate the temperature at which its vapour pressure is 80.0 kPa
Using the Nernst equation, calculate the effect on the cell potential of increasing the Fe2+ ion concentration from 1.0 M to 2.0 M for each of the following reactions. The concentration of the other solution remains at 1.0 M
Oxygen at 25 degrees C and a pressure of 1000 torr. At STP 1 mol of gas occupies 22.4 L What is the volume in liters of the oxygen gas in the cylinder?
The following reaction is first order with respect to NO and first order with respect to O2, and the rate constant is 5.0 x 104 M-1s-1: 2NO(g) + O2(g) --> N2O4(g)
How many phases and components are present. (b) What is the variance (the number of degrees of freedom) of the system? Identify the independent variables.
Which one of these equations describes a redox reaction. 2Al+3H2SO4(aq)-->Al2(SO4)3(aq)+3H2(g), 2KBr(aq)+Pb(NO3)2(aq)-->2KNO3(aq)+PbBr2(s), CaBr2(aq)+H2SO4(aq)-->CaSO4(s)+2HBr(g), H+(aq)+OH-(aq)-->H2O(1), CO.-(aq)+HSO4-(aq)-->HCO3-(aq)+SO42-(aq)
Calculate the masses of the solid you must measure out to prepare 100mL EACH OF 0.025 M KNO3 , 0.025 M CuSO4, 0.025 M Ca(NO3)2, and 0.025 M KCl . include waters of hydration when clculating the formula wights.
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