Enthalpy - Page 6
Questions
- What is the standard enthalpy of formation of water vapor?
- Calculate the amount of heat evolved in the complete oxidation of #"8.17 g"# of #"Al"# #(M_M = "26.98 g/mol")# at #25^@"C"# and #"1 atm"# pressure?
- How do I assess the enthalpy of a combustion reaction, when MORE than one mole of hydrocarbon is combusted?
- Considering the reaction shown below, how much thermal energy would be required to run the reaction with 5.0 g of hydrogen and 25 g of iodine?
- NaCl has a #DeltaH_(fus)# = 30.2 kJ/mol. What is the mass of a sample of NaCl that needs 732.6 kJ of heat to melt completely?
- What are #"lattice"# and #"hydration energies"#?
- At constant pressure, the combustion of 5.00 g of C2H6 (g) releases 259 kJ of heat. What is ΔH for the reaction? 2 C2H6(g) + 7 O2(g) → 4 CO2(g) + 6 H2O(l)
- How much energy is released when 14.0 g of carbon monoxide are completely combusted?
- Given....#2Mg(s) + O_2(g) rarr 2MgO(s)# #; DeltaH_"rxn"=-1203*kJ*mol^-1# What enthalpy is associated with the combustion of FOUR moles of magnesium metal?
- What are the units for enthalpy of reaction?
- What is the formula for latent heat energy?
- What if I am not given the initial or final temperature, only the change in temperature? Can I still calculate for the heat flow?
- How does enthalpy relate to internal energy?
- What is the enthalpy associated with the formation of two moles of #NO(g)#?
- The #DeltaH# value for the reaction #1/2O_2 (g) + Hg(l) -> HgO (s)# is -90.8 kJ. How many kJ are released when 66.9 g #Hg# is reacted with oxygen?
- How do you calculate the standard enthalpy of reaction, #DeltaH_(rxn)^@# for the following reaction from the given standard heats formation (#DeltaH_f^@#) values: #4NH_3(g) + 5O_2(g) -> 4NO(g) + 6H_2O(g)#?
- What is #DeltaH_"enthalpy of formation of ethylene"^@#?
- Given the thermochemical equation #2SO_2+O_2 ->2SO_3#, #ΔH°_(rxn)# #= - 198 # #kJ#, what is the standard enthalpy change for the decomposition of one mole of #SO_3#?
- Given the following data, what is the enthalpy associated with the given equation? ##
- Why is enthalpy an extensive property?