The following is an explanation of the higher boiling of NH3 compared to PH3
What volume of methane in L, CH4, has the same number of mol…
What volume of methane in L, CH4, has the same number of moles of gas as 10 L of CO2 gas at the same temperature and pressure?
The following can be used to measure the heat of combustion…
The following can be used to measure the heat of combustion for an unknown sample?
The following phase change is exothermic:
The following phase change is exothermic:
How many moles of hydrogen and oxygen are contained in 2.0 m…
How many moles of hydrogen and oxygen are contained in 2.0 moles of aluminum hydroxyacetate, AlOH(C2H3O2)2
A 164 g sample of neon is placed into a cylinder at 226oC an…
A 164 g sample of neon is placed into a cylinder at 226oC and 332 atm. What is the volume of the cylinder in liters?
The following intermolecular forces exist between the molecu…
The following intermolecular forces exist between the molecules of NH3 and ethanol (CH3CH2OH):
Answer the following question. Show the answer on the screen…
Answer the following question. Show the answer on the screen provided. After uploading your exam, take the picture of your work and upload it to Exam 4 Solutions, Extra Credit, and Partial Credit assignment. Your work must reflect the answer provided here. NO CREDIT will be awarded for the answer without work shown. 15.3 g of KClO3 decomposes according to the following balanced equation. Use the stoichiometry and gas laws to determine the volume of O2 formed at 1 atm and 500K. The molar mass for KClO3 is 122.55 g/mol. 2 KClO3(s) → 2 KCl(s) + 3 O2(g)
The following is an explanation of the higher boiling of NH3…
The following is an explanation of the higher boiling of NH3 compared to PH3
Answer the following question. Show the answer on the screen…
Answer the following question. Show the answer on the screen provided. After uploading your exam, take the picture of your work and upload it to Exam 4 Solutions, Extra Credit, and Partial Credit assignment. Your work must reflect the answer provided here. NO CREDIT will be awarded for the answer without work shown. Standard Enthalpies of Formation, in kJ/mol ΔHof ΔHof NO(g) +90.25 NO2(g) +33.2 NH3(g) -45.9 N2O(g) 81.6 H2O(l) -285.8 H2O(g) -241.8 Use the properties of enthalpy as a state function (version of Hess’s law) and data above to calculate the enthalpy change for the reaction (Hint: Do not forget about the coefficients): 6 NO2(g) + 8 NH3(g) => 7 N2(g) + 12 H2O(g) ΔH = ?