to two e tem- metal. e after capac- 5.63 Calculate the enthalpy change for the reaction...
4. Calculate the enthalpy (AH) change for the reaction : enthalples of reaction: PAO66) + 202 --> PAO101) given the following show your work- PA(s) + 302(e) ---> P.06(s) P4(s) + 502) --> PAO10(s) AH= -1640.1 KJ AH= -2940.1 KJ
Given the following data: P4(s) + 302(9) - P406(5) AH = -1640.1 k) P406(s) + 202(9) - P4010(s) AH = -1300 k] Find the AH of the following reaction: P4(s) + 502(9) - P4010(5)
1. Calculate the quantity of heat released when 8.Sg of hydrogen peroxide decomposes, given: atomic weights 0=16, and H= 1. Hydrogen peroxide decomposes to water and oxygen according to the reaction: H = -196KJ 2. Given the speclflc heat, c,, of water Is 4.18 J/g 0c,how much heat Is needed to warm 200g of water from 22°c to 98°C? q=mC,AT 3. If 20.9KJ of heat were added to 250g of liquid water, how much would its temperature Increase? (Use 4.18 J/goc...
PRE-LAB QUESTIONS 1. Calculate the enthalpy change for the reaction P,o,(s) + 202(g)--PO10(g) Given the following enthalpies of reaction: P,(s)+30,(g) P,O,(g) AH- -1640.1 k P,(s)+50,(8)-P08 AH--2940.1 k) 2. Two solid objects, A and B, are placed in boiling water and allowed to come to the same tem- perature there. Each is then lifted and placed in separate beakers containing 100 g water at 10.0°C. Object A increases the water temperature by 3.50°C; B increases the water temperature by 2.60°C. Which...
2 P4 (8) + 6 02 (g) 2 P406 (5) AH = -3280.2 kJ 4 P4 (8) + 20 02 (8) 4P,010 (5) AH=-11760.4 kJ P.06 () + 202 (Ⓡ) P.010 (5) 3.5 points Save Answer Using the information from the given reactions, the enthalpy of reaction for the reaction between P406 and Oz would be figures. 6. Be aware of significant Minh
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) +...
help asap 3. Calculate the standard enthalpy change, Hº, for the following reaction using standard enthalpies of formation. (1 point) 2C2H2(g) + 502(g) → 4CO2(g) + 2H20(1) Standard Enthalpies of Formation AH for C2H2(g) = +226.7 kJ/mol AHfor CO2(g) = -393.5 kJ/mol AH for H2O(l) = -285.8 kJ/mol
Using standard heats of formation, calculate the standard enthalpy change for the following reaction 2HBr(g) H2(g) + Br2() ANSWER kJ Submit Answer Retry Entire Group 2 more group attempts remaining Given the standard enthalpy changes for the following two reactions: (1) Zn(s)+ Cl2(g) ZnCl2(s) AH° = -415.0 kJ (2) Fe(s) + Cl2(g) FeCl2(s) AH° = -341.8 kJ what is the standard enthalpy change for the reaction: (3) Zn(s) + FeCl(s) AH° ? ZnCl2(s) + Fe(s) kJ Given the standard enthalpy...
A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl2(g)— 2HCl(g) + Bra(s) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is kJ/mol CH4() + H2O(g)_3H2(g) + CO(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O() is kJ/mol Given the standard enthalpy changes for...
need help with 2. Use the following enthalpies of formation to calculate an approximate enthalpy of reaction, AHrxn for: (5 pts) C3H8 (g) + 502 (g) → 3CO2 (g) + 4 H20 (1) C(s) + O2 (g) - CO2 (g); AH = - 393.5 kJ/mol H2(g) + 42 02 (g) - H20 (1); AH = - 285.5 kJ/mol 3 C(s) + 4 H2(g) → C3H8 (g); AH r = - 103.8 kJ/mol