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Which thermochemical equation gives the value of the standard enthalpy of formation for NaN (s)? a(s)...
Which thermochemical equation gives the value of the standard enthalpy of formation for NH4C104(s)? N(g) + 2 H2(g) + CI(g) + 2 O2(g) ---> NH4C104(s) N(g) + 2 H2(g) + Cl2(1) +2 O2(g) ---> NH4C104() 1/2 N2(g) + 2 H2(g) + 1/2 C12(g) + 2 O2(g) ---> NH4C104(s) N(g) + 4 H(g) + Cl(g) + 4 0(g) ---> NH4C104(8) ON(g) + 2 H2(g) + C1(g) + 2 02(9) ---> NH4C104(s) ON(g) + 2 H2(g) + C12(1) + 2 02(E) --->...
Which of the following reactions corresponds to the thermochemical equation for the standard molar enthalpy of formation of solid zinc nitrate? a. Zn(s) + 2N(g) + 6O(g) → Zn(NO3)2(s) b. Zn(s) + 2HNO3(aq) → Zn(NO3)2(s) + H2(g) c. Zn(OH)2(s) + 2HNO3(aq) → Zn(NO3)2(s) + 2H2O() d. Zn2+(aq) + 2NO3–(aq) → Zn(NO3)2(s) e. Zn(s) + N2(g) + 3O2(g) → Zn(NO3)2(s)
Pre-Lab Gas Laws 2NaN3(s) 2Na(s) + 3N2 (g) 1. If you have 32 g of NaN3(s) determine the following: a. Limiting Reactant (2 pts) b. How many moles of Nas) and N2(g) will be produced? (6 pts) 2. What effect does temperature have on pressure? (2 pts) https://www.youtube.com/watch?v=1eGe60t7iCc Write the balanced reaction indicated when the following aqueous solutions are mixed. If there is not a net reaction, write "NO REACTION": 1) Sr(OH)2(aq) + HClO4(aq) Net ionic equation:
- The standard enthalpy of formation, AH, of N2O3(g) is 91.2 kJ/mol. Write the thermochemical equation corresponding to this.
5 Determine the standard enthalpy of formation of Fe2O3(s) given the thermochemical equations below. 2Fe(s) + 3/2 O2(g) → Fe2O3(s) AH(Fe2O3) = ? Fe(s) + 3 H2O() Fe(OH)3(s) + 3/2 H2(g) AH° = +160.9 kJ/mol-rxn H2(g) + 1/2O2(g) → H2O(1) A.H° = -285.8 kJ/mol-rxn Fe2O3(s) + 3 H2O(1) ► Fe(OH),(s) A,Hº +288.6 kJ/mol-rxn
Determine the standard enthalpy of formation of calcium carbonate from the thermochemical equations given below.Ca(OH)2(s) → CaO(s) + H2O()ΔrH° = 65.2 kJ/mol-rxnCa(OH)2(s) + CO2(g) → CaCO3(s) + H2O()ΔrH° = −113.8 kJ/mol-rxnC(s) + O2(g) → CO2(g)ΔrH° = −393.5 kJ/mol-rxn2 Ca(s) + O2(g) → 2 CaO(s)ΔrH° = −1270.2 kJ/mol-rxna.−1712.3 kJ/mol-rxnb.−1207.6 kJ/mol-rxnc.−980.6 kJ/mol-rxnd.−849.6 kJ/mol-rxne.−441.8 kJ/mol-rxn
Write the thermochemical equation that would be used to represent the standard heat of formation of sodium bicarbonate, NaHCO3(s). Na(s) + H2(g) + C(s) + H20(1) NaHCO3(s) AH° = -947.7 kJ/mol Na2O(s) + H2O(g) + CO2(g) + O2(g) + NaHCO3(s) AH = -947.7 kJ/mol O Na(s) + 0.5H2(g) + C(s) + 1.502(g) + NaHCO3(s) AH = -947.7 kJ/mol Na2CO3(s) + H20(1) - NaHCO3(s) AH = -947.7 kJ/mol
Il. Results The objective of this experiment is to calculate the enthalpy of foermation for NH.CKs) (Reminder-beat of formation is the ΔΗ for the formation of one mole of a compound from the elements.) Write the balanoed chemical equation for the formation of 1 mole ot NILC1(S) from the elements Na (g). H: (B) and Clh (g. EQUATION (3): Use the two following equations and Equations (1) and (2), sound previously, to calculate the enthalpy formation for NIH.CI(s). Apply Hess's...
dentily the spectator ions in the following molecular equation 22) ldentily A) K & NOs B) Ag* & Br E) There are no spectator ions in this reaction. 23) Give the aet ionic eguation for the reaction oif any) that occurs when aqueous solutions of K28 and FeDNOs are mixed C)K(aq) NO3-(aq) KNOs(s) D) Fe2tag)+s2-(aq) ->FeS(s) E) No reaction occurs 24) Give the net ionic equation for the reaction (if any) that occurs when aqueous solutions of H 2s04 and...
15. Determine the standard enthalpy of formation of Fe2O3(s), 2Fe(s) + 1.5 02 (g) → Fe2O3(s) given the thermochemical equations below. (4 points) AFH° = +160.9 kJ/mol-rxn Fe(s) + 3 H20(8) - Fe(OH)3(s) + 3/2 H (9) H2(g) + 1/2 O2(g) → H2O(6) Fe2O3(s) + 3 H2O(0) - 2 Fe(OH)3(8) A-H° = -285.8 kJ/mol-rxn A,Hº = +288.6 kJ/mol-rxn