A hot iron horseshoe (mass = 0.40 kg ), just forged, is dropped into 1.05 L of water in a 0.30 kg iron pot initially at 24.0 °C. Part A If the final equilibrium temperature is 33.0 °C, estimate the initial temperature of the hot horseshoe. Express your answer using two significant figures.

A hot iron horseshoe (mass = 0.40 kg ), just forged, is dropped into 1.05 L of water in a 0.30 kg iron pot initially at 24.0 °C. Part A If the final equilibrium temperature is 33.0 °C, estimate the initial temperature of the hot horseshoe. Express your answer using two significant figures.

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy

Section: Chapter Questions

Problem 21PS: For the reaction BaCO3(s) BaO(s) + CO2(g), rG = +219.7 kJ/mol-rxn. Using this value and other data...

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a laccd sign i X с ||| ctrl H tab shift T O STATES OF MATTER Using the ideal equation of state A reaction between liquid reactants takes place at 3.0 °C in a sealed, evacuated vessel with a measured volume of 30.0 L. Measurements show that the reaction produced 32. g of dinitrogen difluoride gas. esc reactants. Be sure your answer has the correct number of significant digits. Calculate the pressure of dinitrogen difluoride gas in the reaction vessel after the reaction. You may ignore the volume of the liquid Explanation caps lock K →1 pressure: atm fn AVILION A ALEKS-Shu X https://www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IvUrTNdLZh5A8CnG03PBGuXr8iCPa7ZMmymzJtY9_DXbVcRRHtYf... ALEKS HP Pavilion x360 f1 Type here to search ? A f2 Check (6) 2 Mc X Graw McGraw-Hil X W Z O S hp f3 # 3 X E alt f4 $ D 4 C x10 X f5 % F Ai 40 5 f6 T V 4- CO 6 G 14 Mc Graw f7 B & Y + McGraw-Hi X A ALEKS-Shix McGraw-Hi x A ALEKS-Sho 7 H hp 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use |…
M Apple Google Disney ESPN Yahoo! Biomedical Careers Program Apple iCloud Yahoo Images Bing Google Wikipedia Facebook ☆ G G D2L ☆ C COWLv2 |... ☆ For the reaction B 4NH3(g) +502(g) → 4NO(g) + 6H₂O(g) Assume that ΔΗ° and AS are independent of temperature. Submit Answer prod03-cnow-owl.cengagenow.com Try Another Version D2L AH°-905.2 kJ and AS° = 180.5 J/K The standard free energy change for the reaction of 2.11 moles of NH3 (g) at 277 K, 1 atm would be This reaction is favored under standard conditions at 277 K. Twitter LinkedIn The Weather Channel Yelp TripAdvisor b b c C G 凶 G C [References] Use the References to access important values if needed for this question. 2 item attempts remaining + 88 kJ. M
Be sure to answer all parts. A reaction that occurs in the internal combustion engine is N2(g) + O2(g)=2 NO(g) (a) Calculate ΔΗ 0 and for the reaction at 298 K. 0 ΔΗ KJ Asº J/K (b) Assuming that these values are relatively independent of temperature, calculate AG° at 101°C, 2630 °C, and 3770°C. 101°C: kJ 2630°C: KJ 3770°C: kJ
1 mole of Nitrogen(N2)gas closed in a chamber undergoes the following cycle. The process 2- 3 is Isothermal. (a) Find temperatures at point 1 and 2. (b) Find the heat added in process 1-2 and 2→ 3. (c) Find the work done in the full cycle. (1-2-3 → 1) P(KPa) 125 25 0.1 0.5 V(m3)
Calculate the value of ?p for the equation C(s)+CO2(g)↽−−⇀2CO(g)?p=? given that at a certain temperature C(s)+2H2O(g) H2(g)+CO2(g) ↽−−⇀CO2(g)+2H2(g)↽−−⇀H2O(g)+CO(g) ?p=? ?p1=3.07 Kp2=0.671
10 For the system, 2NO,(g)=N204(g), AG° = -7.31kJ/mol. If the system was initialized using enough NO, to create a partial pressure of 0.478 atm and enough N2O4 to create a partial pressure of 0.351 atm, calculate the value of AG(T=300 K) in kJ/mol for these non-standard conditions prevailing at the start. Report your answer with 2 places past the decimal point. Do not add units in your answer.
Consider a 5 L sample of CO₂(g) in a container with a movable piston at a temperature of 25 °C and 5.0 atm pressure. The gas is expanded reversibly by decreasing the pressure to 2.0 atm. Compare the final volume and temperature of the gas if the process were carried out (a) adiabatically or (b) isothermally. A) Vf(adiabatic) = Vf(isothermal); Tf(adiabatic) = Tf(isothermal) B) Vf(adiabatic) > Vf(isothermal); Tf(adiabatic) > Tf(isothermal) C) Vf(adiabatic) Vf(isothermal); Tf(adiabatic) Tf(isothermal)
Given the following reaction at 298 K: 2 H2S(g) + SO2(9) → Ss(s) + 2 H20(g) Part A ArG" = -102 kJ mol Determine the value of the reaction quotient Q when: Pu,s = 2.00 bar; Pso, = 0.185 bar; and Pa,0 = 1.245 ba Express your answer using three significant figures. fe kevboard shortcuts help Temgrates Symbols undo rego Q =
← → C 11 app.101edu.co STARTING AMOUNT X 2 What is the change in enthalpy when 1.50 moles of H₂ are reacted with an excess O₂ of according to the following balanced chemical reaction: -381 mol H₂ ADD FACTOR x( ) 381 g 0₂ 2 -572 kJ Question 8 of 19 2 H₂(g) + O₂(g) → 2 H₂O(1) -429 ΔΗ = -572 kJ 1.50 g H₂O 32.0 1 ANSWER mol O₂ 429 2 mol H₂O RESET J 3 18.02 2.02 g H₂ M Update: Submit +
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