Zadanie 3a
State the name of the reagent that is heated with propanoic acid to form this ester.
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State the name of the reagent that is heated with propanoic acid to form this ester.
A student heated 3.85 g of propanoic acid with an excess of the second reagent and isolated 3.12 g of the ester. Determine the percentage yield.
State the class of organic compounds to which CH3CH2COOCH3 belongs.
Draw the full structural formula of a carboxylic acid that is a structural isomer of the ester CH3CH2COOCH3.
State the name of a compound that would form the carboxylic acid you drew in part 3e when it is heated under reflux with an excess of an oxidizing agent.
Graphite foil is made of many layers of carbon atoms stacked on top of each other. It is used to spread heat away from the processor of a mobile phone because it conducts heat well parallel to the layers but poorly perpendicular to them. Suggest why graphite…
Ethane burns completely in oxygen to give carbon dioxide and water. C2H6(g) + O2(g) → CO2(g) + H2O(l) What is the C2H6 : O2 mole ratio in the balanced equation, written with the smallest whole-number coefficients? A. 1:3 B. 2:5 C. 2:7 D.…
The enthalpy changes of two combustion reactions are ΔH⊖ = −549 kJ mol−1 ΔH⊖ = −518 kJ mol−1 Use…
Deduce the molecular geometry of COS and of H2S, and state why the two geometries differ.
Naturally occurring sulfur is a mixture of several isotopes. A sample was enriched in , giving the following composition: (i) Calculate the relative atomic mass of the enriched sample to two decimal places. (ii) The abundance of…