Based on Textbook 2.35-2.37: Orthopedic surgeons use bone “cement" to set al i. artificial hip implants in place. This “cement" is methyl methacrylate that is polymerized during the surgery. However, surgeons notice a substantial amount of heat evolution from the reaction. Calculate the reaction energy if a surgeon uses 20g of methyl methacrylate glue (the precursor) to set a given hip implant. The polymerization reaction is given for ar you. free radical H CH3 CH3 +CH;-C C=0 vinyl polymerization H c=0 o CH3 CH3

Based on Textbook 2.35-2.37: Orthopedic surgeons use bone “cement" to set al i. artificial hip implants in place. This “cement" is methyl methacrylate that is polymerized during the surgery. However, surgeons notice a substantial amount of heat evolution from the reaction. Calculate the reaction energy if a surgeon uses 20g of methyl methacrylate glue (the precursor) to set a given hip implant. The polymerization reaction is given for ar you. free radical H CH3 CH3 +CH;-C C=0 vinyl polymerization H c=0 o CH3 CH3

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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One hundred liters of methyl methacrylate containing 10.2 moles of an initiator (t1 / 2 = 50 h)in solution it polymerizes at 60°C. Calculate the amount of polymer formed in the first hourreaction. [Data: monomer density 0.94 g / cm3; kp = 515 L / mol * s; kt = 2.55x10^7 L / mol * s; f = 0.3].
3. Make an energy diagram for the heat formation of one mole of each of the following substances: b. H₂(g) + 12(9) 2H₂(g) + CO(g) C(s) + 2H₂ (9) → 2H(a) →→→→ CH₂OH → CH4(0)
MISSED THIS? Read Section 19.8 (Pages 871 - 877); Watch IWE 19.6. Liquid methanol burns in oxygen to form gaseous carbon dioxide and gaseous water. Substance H° (kJ/mol) S° (J/(mol. K)) CH3OH (1) -238.6 126.8 O2 (g) 0 CO₂ (g) -393.5 CO2(aq) -413.8 H₂O(g) -241.8 H₂O(1) -187.8 205.2 213.8 117.6 188.8 70.0 stan 1 Periodic Liquid methanol (CH3OH(1)) burns in oxygen (O₂ (g)) to form gaseous carbon dioxide (CO2 (g)) and gaseous water (H₂O(g)), which is represented by the following balanced equation: 2CH3OH(1) +302(g) → 2CO2 (g) + 4H₂O(g) The balanced chemical equation is neeed to calculate the standard enthalpy change for a reaction (AH) the standard entropy change for a reaction (AS) from the standard enthalpies of formation and standard molar entropies, respectively. Part B Calculate AHxn at 25 °C. Express your answer in kilojoules to three significant figures. AH = VE ΑΣΦ C ? kJ
Calculate ΔH∘ΔH∘ in kilojoules for the synthesis of BaOBaO from BaCO3BaCO3. BaCO3(s)→BaO(s)+CO2(g)BaCO3(s)→BaO(s)+CO2(g)ΔH∘f[BaCO3(s)]=−1213.0kJ/molΔH∘f[BaCO3(s)]=−1213.0kJ/molΔH∘f[BaO(s)]=−548.0kJ/molΔH∘f[BaO(s)]=−548.0kJ/molΔH∘f[CO2(g)]=−393.5kJ/molΔH∘f[CO2(g)]=−393.5kJ/mol Express your answer to one decimal place and include the appropriate units.
The standard heat of reaction for the production of formaldehyde in the reaction, 2 CH;OH (1) + 0: (3) →2 HCHO (g) + 2 H20 (1), is -326.2 k]/mol. a. Is the reaction exothermic or endothermic? Would you heat or cool the reactor to keep the temperature constant? b. Explain physically why heat is released or absorbed when a reaction occurs. c. If the temperature and pressure are keep at standard (25°C, 1 atm), what is the rate of heating/cooling required in kcal/hr if 1000 kg/hr of formaldehyde is formed?
Why was this wrong and how do I get the right answer?
Refer to the attached photo. Thank you!
What is AS for the combustion of propane? C3H8(g) +502(g) → 3CO2(g) + 4H₂O(g) Substance C3H8(g) O2(g) CO2(g) H₂O(g) S(J/K mol) 269.9 205.0 213.6 188.7
JLK/m 23. Nitric oxide reacts with chlorine to form NOCI. 1. 2NO(g) + Cl2(g) → 2NOCI(g) Substance: NO(g) Cl2(g) AH° (kJ/mol) 0 90.29 at 298 K AG° (kJ/mol) 86.60 0 at 298 K S°(J/K • mol) 210.65 223.0 at 298 K What is AG°xn for this reaction at 550. K? A. -143.76 kJ/mol B. -78.78 kJ/mol C.-22.24 kJ/mol D.-10.6 kJ/mol E. 66600 kJ/mol NOCI(g) 51.71 66.07 261.60
How to determine ΔHo for the attached reaction.
nts 11.3 d 26 Given the following reactions, what is the overall enthalpy change for this reaction? B₂0₂0) + 6H₂(→→B₂H₂ + 3H₂O) Reaction 480)+30→28,0,0) 280)+38₂)→₂1₂0 là Hy + OH,90 O 1146.4 kJ O 2024.0 kJ O 815.0 kJ O 573.2 kJ O 1871.8 kJ AH° (kJ) -2527.2 35.0 -483.6