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Which of the following equations represents a reaction for which the AH° can be called a...
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Part A For which of the following reactions is A Han equal to AH of the product(s)?You do not need to look up any values to answer this question. Check all that apply. View Available Hint(s) CO(g) + O2(g) + CO2(g) C(s, graphite) + O2(8+CO(E) 0 CaCO3(g) +CaO + CO (8) Na(s) + F2(g)--NaF(s) Na(s) + F2 (1) NaF(s) 2Na(s)+F2(6)+2NaF (8) Submit Formation Reactions Part A The standard heat of formation, AH, is defined as...
AH = -390 kJ AH = -745 kJ 13. Given the following thermochemical equations: IF (g) + F2 (g) F3 (9) IF (9) + 2 F2 (9) IFs (9) Find the value of AH for the equation below: (6 points) IFs (9) - IF3 (9) + F2 (9) 14. Baking soda (NaHCO3) can be decomposed when heated, as shown: 2 NaHCO3 (s) Na CO2 (s) + CO2(g) + H20 (g) Use heats of formation to determine the value of AH...
19. Which of these reactions correspond to the enthalpy of formation (AH;°) 3 C2H2(g)H2(g)- CH(g) H2(l)02()H20(l) Cdiamond02 (g) - CO2(g) D) A) B) C) H20 (g)H20(l) Na(s) C(g) NaCl(s) E)
QUESTION 1 The conversion factor which converts mass to moles is called the molar mass. True False QUESTION 2 We have 2 moles of sodium (Na) atoms and 2 moles of chlorine (cl) atoms. The number of atoms for both are True False Question Completion Status: QUESTION 19 Which one of the following is not a soluble compound in water? O KOH CaSO4 O Li₃PO4 Mg(NO3)2 QUESTION 20 Which one of the following chemical equations is a balanced equation? CH(E)...
6. Calculate AH Reaction for the Reaction: N2H4 + 2N2O5 + 2HNO3 + 2NO2 + 2 NH Using the following equations: H2 + 2N2 + 5022HNO3 + 2NO2 N2H4 + 2NH + H2 2N205 2N2 + 502 AH = -202 kJ AH = +567 kJ AH = +22.6 kJ 7. Calculate the AHReaction for the reaction 2H2(g) + CO(g) → CH3OH(1) Using the following equations: CH3OH() + O2(g) → C(s) + 2H2O() C(s) + 02 (9) — CO(g) H2(g) +...
Calculate the change in enthalpy for the following reaction:
Given the following thermochemical equations: AH,370 kJ ΔΗ,--180 kJ AH,230 kJ Calculate the change in enthalpy for the following reaction: Number kJ
formation reaction for CH3HgCl
Which one of the following equations represents the formation reaction for CH3HgCl? a. Hg(0) + C(graphite) + 1/2Cl2(g) + 3/2H2(g) → CH3HgCl(s) 2Hg(0) + 2C(graphite) + 3H2(g)+Cl2(g) 2CH3HgCl(s) C. Hg() + C(diamond) + HCl(g) + H2(g) → CH3HgCl(s) d. 2H90 + 2C(graphite) + 3H2(0)+C12(9) 2CH3HgCl(s) Hg() + C(graphite) + HCl(g) + H2(g) - CH3HgCl(s)
19. The standard enthalpy of formation for NH (g) is -46.1 kJmolCalculate AH for the reaction 2NH(g)N() 3H.() B 46.1 kJ (A) -92.2 kJ Di 922 kJ (C) 46.1 k 4. Calculate the change in enthalpy (in kJ per mole of CO) for the decomposition of sodium hydrogen carbonate from AH kJmol' NaHCO,(s) Na,CO,(s) H,O() CO (g) the standard enthalpies of formation: 2 NaHCO,(s) Na CO,(s)H0(g) -947.7 -1130.9 -241.8 -393.5 CO(e) (B -818.5 C -1766.2 (D) -3661.6 A 129.2 9....
A chemist measures the enthalpy change AH during the following reaction: 2 HNO3(1) + Mg(s) Mg(NO3),(s) + H2(9) AH=-443. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction ΔΗ 4HN03(1) + 2Mg () — 2Mg(NO3),(5) + 2H, (6) Mg(NO3), (5) + H, (8) — 24NO3 (1) + Mg () xs ? kJ 3Mg(NO3), (s) + 3H, (8) — 6HNO3(1) + 3Mg(s)
The standard enthalpy change for the following reaction is -704 kJ at 298 K. Al(s) + 3/2 Cl2(g) — AICI3(8) AH° = -704 kJ What is the standard enthalpy change for the reaction at 298 K? 2 AICI3(s) — 2 Al(s) + 3 Cl2(9) kJ The standard enthalpy change for the following reaction is 851 kJ at 298 K. 2 NaOH(s) —— 2 Na(s) + O2(g) + H2(g) AH° = 851 kJ What is the standard enthalpy change for this...