
In this answer how was MgO moved to the other side? 1. Mgo + 2HCI Mac...
m this experiment, you will use Hess's Law to determine a heat of reaction that would be difficult obtain by direct measurement -- the heat of combustion of magnesium ribbon. The reaction is represented by the equation: D (4) Mg(s) + 1/2O2(g) MgO(s) o bruno solo sbagol i 100) o motorolyobog a n This equation can be obtained by combining, in some way, equations (1), (2), and (3) ob o temo bodo (1) MgO(s) + 2HCl aq) MgCl2(aq) + H2O(1)...
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Date DATA Reaction 1 (Mgo) Reaction 2 (Mg) T. Volume of 1.00 M HCI 2. Final temperature, t 3. Initial temperature, t 50.0 m 50.0 mL Bc -C 20.8 C 4. Change in temperature, t 5. Mass of solid 6. Heat, q 7. ΔΗ 8. Moles mol Mgo mol Mg kJ/mol kJ/mol 10. Determine ΔH/mol Mg for reaction (4)" (10.) 11. Percent error Outside of lab, you must print...
please help fill in data table and answer questions.
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Reaction 2 (Ma Reaction 1 (Mgo) 1. Volume of 1.00 M HCT 2. Final temperature, t 3. Initial temperature, t, EO.O ml 50.0 mt 28 a0 oc 4. Change in temperature, t 5. Mass of solid 203 MgO 6. Heat, q k.J kJ kJ k.I 8. Moles mol Mg mol MgO 9. ΔΗ/mol kJ/mol kJ/mol 10. Determine ΔΗ/mol Mg for reaction (4). (10.) II. Percent...
Please help fill in data table and answer questions
below table. thank you!
It was only 2 reactions, there is not a 4th. Please
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DATA 1. Volume of 1.00 M HCI 2. Final temperature, t, 3. Initial temperature, t, 4. Change in temperature, t 5. Mass of solid 6. Heat, Reaction 2 (Mg) Reaction 1 (Mgo) 50.0 41.3 500 ml mL oC oC oC oC Mg kJ kJ 7. ΔΗ kJ kJ 8. Moles mol Mg...
Please help with the pre- lab exercise and questions 10 and 11
Experiment 19 Heat of Combustion: Magnesium 18, you learned about the additivity of reaction beats as you confirmed Hess's Law, In this experiment, you will use this principle as you determine a heat of reaction that would be difficult to obtain by direct measurement-the heat of combustion of magnesium ribbon. The reaction is represented by the equation This equation can be obtained by combining equations (1). (2), and...
1.00 M HCL
t2 = 60.06 °C t1 = 21.62 °C Mass Mg = .500 g For reaction 1: MgO(s) + 2 HCl(aq) ----> MgCl2(aq) + H20(1). 1.6 Enter q (in kJ). 1.74 kJ Computer's answer now shown above. You are correct. Previous Tries Your receipt no. is 158-3788 ? 1.7 Enter AH (in kJ). -1.74 kJ Computer's answer now shown above. You are correct. Previous Tries Your receipt no. is 158-1858 ? 1.8 Enter the number of moles of...
help me solve 1-3
Input Data Reactant Mg MgO Mass (9) 2300 104 Volume (mL) 100.0 1000 AT (C) 10.4 9.6 Calculated Enthalpies of Reaction Mg(s) + 2 HCl(aq) --> MgCl, (aq) + H29) AH = -459.83 kJ/mol MgO(s) + 2 HCl(aq) -> MgCl2(aq) + H20(0) AH = -155.66 kJ/mol Mg(s) + 4029) -> Mg(s) AH = -589.99 kJ/mol Problem: Solve for the following enthalpy changes 1) When 6.07 g NaOH(s) is reacted with 200.0 mL 0.759 M HCl(aq), the...
a) Using the Hess Law and the thermochemical equations below, MgO(s) + + 2HCl(aq) ------> MgCl2(g) + H2O(l) ΔHrxn = -111.7 kJ/mol Mg(s) + 2 HCl(aq) ------> MgCl2(g) + H2(g) ΔHrxn = -548.3 kJ/mol H2(g) + 1/2 O2(g) ------> H2O(l) ΔHrxn = -142.9 kJ/mol find the heat of reaction of the following: Mg(s) + 1/2 O2(g) ------> MgO(g) ΔHrxn = ? b) If the theoretical enthalpy of this reaction is -602 kJ/mol, calculate the percent error
Input Data Reactant Mass (9) .5000 1.00 Mg Volume (mL) 100.0 100.0 AT (C") 19.7 Mgo 9.0 Calculated Enthalpies of Reaction Mg(s) + 2 HCl(aq) --> MgCl2(aq) + H2(g) AH = -95.76 kcal/mol MgO(s) + 2 HCl(aq) --> MgCl2(aq) + H2O(1) AH = -36.27 kcal/mol Problem: Solve for the following enthalpy changes 1) When 6.73 g NaOH(s) is reacted with 200.0 mL of HCl(aq), the temperature increases 20.10 Celsius degrees NaOH(s) + H"(aq) --> Na"(aq) H2O(0) AH = ? 2)...
Using the Hess Law and the thermochemical equations below, MgO(s) + + 2HCl(aq) ------> MgCl2(g) + H2O(l) ΔHrxn = -111.7 kJ/mol Mg(s) + 2 HCl(aq) ------> MgCl2(g) + H2(g) ΔHrxn = -548.3 kJ/mol H2(g) + 1/2 O2(g) ------> H2O(l) ΔHrxn = -142.9 kJ/mol find the heat of reaction of the following: (0.25 pt.) Mg(s) + 1/2 O2(g) ------> MgO(g) ΔHrxn = ? b) If the theoretical enthalpy of this reaction is -602 kJ/mol,...