What is the total number of atoms present in 25.0 mg of ?
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If 4.66 moles of C5H12 reacts with excess O2, how many moles of CO2 will be produced in the following combustion reaction? (C_{5}H_{12} + 8O_{2} - - -> 6H_{2}O + 5CO_{2})
Gibbs Free Energy: SpontaneityElemental carbon usually exists in one of two forms: graphite or diamond. It is generally believed that diamonds last forever. Here are the standard enthalpy (DeltaH) and entropy (DeltaS) of formation values for diamond and graphite.Substance Delta H_ f}}^\circ ~(kJ/mol) Delta S_ f}}^\circ ~(J/mol\cdot K)C_ graphite} 0 5.740 C_ diamond} 1.897 2.38Part AWhat is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K?C_{diamond} \rightarrow C_{graphite}
If 39.53 % of the nitrogen in a 1.54 g sample of {\rm FeN_3} is used, how many grams of {\rm C_{5}H_{8}N_{4}O_{12}} can be produced? (Assume there is excess of the other elements available.)