Chapter 16 - Thermodynamics and Free Energy

Material: Block Mass: Соpper 5.0 g 10.0 g Heating Duration: 4s Tinitial 20.0 °C I final 123.9 °C Heat Reset 200 J has been transferred to the block. Experiment Complete Click Reset for a new experiment. Now click Reset and double the Heating Duration to 4.0 s. Material: Copper Heating Duration: 4.0 s Block Mass: 5.0 g What is the magnitude of the temperature increase, in °C? °C

5) Ca¹2(aq) + Ba(s) = Ca(s) + Ba¹²(aq) T (K) Кс 198 6.5 248 12.3 298 18.7 Use the experimental data above to calculate AH xn and As°rxn for the reaction. Calculate theoretical values for AHºrn and As xn using AH (Ba*2(aq)) = -537.6kJ/mol, AH°(Ca+2 (aq)) = -542.8kJ/mol, S°(Ba(s)) = 62.5J/molK, S°(Ba¹2(aq)) = 9.6J/molK, S°(Ca(s)) = 41.6J/molk and S°(Ca¹²(aq)) = -53.1J/molK,. Do the experimental data agree with the theoretical values?

(-2220.1)=[-1180.5+-1141.2]-[x] (-2220.1)=[-2321.7][2] +23 21.4 +2321.7 -101.6x Днез нд →-101.6 h mol Assuming that all of the heat evolved in burning 30.0 grams of propane is transferred to 8.00 kilograms of water (specific heat = 4.18 J/g-K), calculate the increase in temperature of water. online at www.nms.org. AP is a trademark of the College Entran terial, Used with permission.

Complete the table below in the picture using calculating dG from dH and dS

ll Boost LTE 5:57 PM © 17% 14 Question 1 of 5 Submit Which one of the following reactions would produce the largest amount of heat per mole of hydrogen? A) C (s) + 2 H2 (g) → CH, (g) AH° = -74.9 kJ/mol B) N20 (g) + 3 H2 (g) → N2H4 (g) + H20 (I) AH° = -316.8 kJ/mol %D C) 2 H2 (g) + O2 (g) → 2 H20 (I) AH° = -571.6 kJ/mol D) N2 (g) + 3 H2 (g) → 2 NH3 (g) AH° = -91.8 kJ/mol Tap here or pull up for additional resources

Explain the following, related to physical insight to internal energy (vii) latent energy (viii) chemical energy (ix) nuclear energy (x) thermal energy

Consider the following processes: 2A → (1/2)B - C AH1 = 5 kJ/mol (3/2)B + 4C - · 2A + C + 3D AH, = -15 kJ/mol E + 4A → C AH3 = 10 kJ/mol Calculate AH for: C → E + 3D 0 kJ/mol 10 kJ/mol -10 kJ/mol -20 kJ/mol 20 kJ/mol

Calculate AH for the reaction C2H4 (g) + H2 (g) → C2H6 (g), from the following data. C2H4 (g) + 3 O2 (g) → 2 CO2 (g) + 2H2O (1) AH 1411 kJ / mol C2H6 (g) + O2 (g) → 2 CO2 (g) + 3 H2O (1) ΔΗ - 1560 kJ / mol H2 (g) + O2 (g) → H2O (1) AH = - 285. 8 kJ / mol

it UCSC Video Quiz Lecture 9 N+ 284 -149 kJ/mol not enough information given -186 kJ/mol canvas.ucsc.edu Homework 2 - CHEM 1C - 02 S... You find a table of thermodynamic data with no column headir and so you can't tell which numbers are for AH of formation an which numbers are for AG of formation. For a particular compound you see two numbers, -149 kJ/mol and -186 kJ/mol. What is the value of AG of formation? b Success Confirmation of Questi... H₂O CO₂ 0₂ Desmos | Graphing Calculator Products N.

General Chemistry 4th Edition McQuarrie • Rock • Gallogly University Science Books presented by Macmillan Learning A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by the reaction АТР(аq) + H,О() — ADP(aq) + HРО (аq) ADP(aq) + HPO, (aq) for which AG;ixn = -30.5 kJ/mol at 37.0 °C and pH 7.0. Calculate the value of AGrxn in a biological cell in which [ATP] = 5.0 mM, [ADP] = 0.10 mM, and [HPO;-] = 5.0 mM. kJ/mol rxn Is the hydrolysis of ATP spontaneous under these conditions? О yes no Question Source: McQuarrie, Rock, And Gallogly 4e - General Chemsitry | Publisher: University Science Books ?

Find the AHn for the following reaction: B2H6 (g) + 6 Cl2(9) → 2 BC13(g) + 6 HC(9) given the following reactions and subsequent AH° values $$ H3 BO3 (g) + 3 HC((g) ΔΗ'- -113.1 kJ BC13 (g) + 3 H20(1) → B2 H6 + 6 H2O(1) → 2 H3 BO3(9) + 6 H2 (9) AH° = -496 kJ 1 HC(g) AH° = -95.5 kJ (6)1 + (6)H? $$

Write the correct answers with a solution and box the final answers and explain please so I can understand it thank very you much.

Given that the reaction of C2H4 (g) + 3 O2 (g) → 2 CO2 (g) + 2 H2O (1) AH = - 1411 kJ What would AH be for 2 CO2 (g) + 2 H2O (1) → C,H4 (g) + 3 O2 (g) () 1411 J -1411 J O-1411 kJ 1411 kJ

Use the data below to calculate AGOrxn for the reaction: A + 2B →2C+2D Data: A + 2B AG° rxn с AGO → D rxn = → 4C 331.0 kJ/mol 450.0 kJ/mol

Please give a explanation and show work

4. Use Hess' Law to determine the AH of the following reaction: (-845.6 kJ) 2Ale + FerO3() → 2Fe) + Al2O3(5) Given : 4Al) + 302(e) → 2A12O3(e) 4Feg + 30%e) → 2FE2O3() AH = -3339.6 kJ AH = -1648.4 kJ

4. Calculate AH for the reaction: Use the following data: C + O₂ CO₂ CO + 1/2O2 CO₂ . Calculate AH for the reaction: Use the following data: Sr + ½ 0₂ → SrO FrQ + CO₂ SrCO₂ Namo C + 1/2O₂ Sr + C + 12 0₂ finU → CO AH = - 394 kJ OMS AH = -283 kJ → SrCO3 gniwollot erit selj ΔΗ = - 592 kJ S

Using the AH values below for equations (7), (8) and (9), calculate an experimental AH for equation (10). Hint: use Hess's law. Note: These are NOT the values the experiment provides, so do not try to enter these on the Data Sheet. equation (7) Mg(s) + ½ 02(g) → MgO(s) AH = -602 kJ equation (8) MgO(s) +2HCI(aq) → MgCl2(aq) +H2O(1) AH = -136 kJ equation (9) Mg(s) + 2HCI(aq) → MgCl2(aq) + H2(g) AH = -452 kJ equation (10) H2(g) + ½ 02(g) → H2O(1) AH = ??? kJ

Consider the problem below: (Equation 1) 4 AICI3 (5) + 2 Al5) + 3 Cl2g) - 3 Al,Cla(g) AH = -1051 kJ/mol (Equation 2) 2 Al(s) + 6 Cl(g) 2 AICI3(5) AH = -705.6 kJ/mol ---> (Equation 3) 12 Cla) - 6 Cl2g) AH = 1460.4 kJ/mol (Equation 4) 6 Als) + 9 Cl2g) ---> 3 Al,Cla(g) AH = ??????? The AH for equation 4 is: _(express in kJ)

When solid ammonium nitrate dissolves in water, the solution becomes cold. This is the basis for an "instant ice pack". When 67.7 g of solid NH4NO3NH4NO3 dissolves in 93.1 g of water at 50.8 °C in acalorimeter, the temperature decreases to 33.0 °C. Calculate the value of energy for this reaction in J. A. -673 B. 5,040 C. 6,930 D. 12,000 E. 2,860