Search & Filtering
The result of a heated organic substance decomposing and leaving a residue is called what?
Thank you
Since acetic acid has two carbon atoms in its molecular structure, it's parent alkane is ________?, and it's systematic name is ________?
Which of choice below would be correct?
a. benzoic acid b. ethane c. ethanoic acid d. pentane
Thank you
Benzene tends to undergo substitution reactions rather than addition reactions because of its ______ bond structure. Of the 4 choices below which would be correct?
a. Addition b. fractional c. hybrid d. saturated
Thank you
Ammonia is an important industrial raw material that is produced industrially by the Haber process according to this equation: N2+3H2 -> 2NH3. How many moles of NH3 can be formed from 250moles of N2 and 600 moles of H2? (N=14, H=1).
Deadline for assignment: 07/04/2022 (12pm)
Calculate the standard enthalpy of formation per mole of ZnS(s).
ZnS(s) + O2(g) → ZnO(s) + SO2(g) ΔH = −878.2 kJ
ΔHfo(ZnO(s)) = −348.3 kJ/mol
ΔHfo (SO2(g)) = −296.8 kJ/mol
You mix 20g of potassium nitrate with 100mL of water at 20oC. Describe the solution in terms of saturation.
A drug used to treat hypertension undergoes a decomposition reaction to give an insoluble product. Calculate the temperature at which this reaction starts to become spontaneous if the enthalpy of reaction is 51 kJ/mol and the entropy of the reaction at this temperature is 118.74 J/mol-K
1.0 moles of potassium fluoride are dissolved to make 0.10 L of solution, what is the molarity of the solution?
Calculate the volume occupied by 22.12 g of sodium phosphate at 6.54 atm and 76 degrees Celsius.
