A piece of metal weighing so with a specific heat of 0.48.JgCat 1066.5 °C is dunked into a beaker containing 407.7 mb of water at 25 CYNING YAN is absorbed by the water, what will be the final temperature of the water expressed in INCO Cunter 4.18 N Pwater 197 Select one: O a. none of the following b. 42.3°C OC 44°C Od. 63°C Clear my choice

A piece of metal weighing so with a specific heat of 0.48.JgCat 1066.5 °C is dunked into a beaker containing 407.7 mb of water at 25 CYNING YAN is absorbed by the water, what will be the final temperature of the water expressed in INCO Cunter 4.18 N Pwater 197 Select one: O a. none of the following b. 42.3°C OC 44°C Od. 63°C Clear my choice

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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O See Hint Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics in humans. The value of AHcomb for dimethylphthalate (C10H1004) is -4685 kJ/mol. Assume 0.830 g of dimethylphthalate is combusted in a calorimeter whose heat capacity (Ccalorimeter) is 6.95 kJ/°C at 21.0 °C. What is the final temperature of the calorimeter? °C
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I. Heat of Solution. 1. Complete the table below. a) Mass of calorimeter 5.0 g b) Mass of calorimeter plus water 34.1 g c) Mass of ammonium chloride 1.6 g d) Initial temperature 30.0 °C e) Final temperature 26.5 °C f) Mass of water, mH,0 (9) g) 9H20 for the reaction (J) h) AHsoln (3) Show calculations using the correct number of significant figures. AHsoln:
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3. Given the following thermochemical equations. 2 H2(8) + Ozle) ---→ 2 H2O (1) N2Osle) + H20 (1) ----→ 2 HNO3 (1) % N2 (e) + 3/2 O2 (e) + ½ H2(g) ---→ HNO31) AH° = - 571.5 kJ AH° = -76.6 kJ AH° = -174.0 kJ Calculate the AH° for the reaction: 2 Nz(g) + 5 Ozle) → 2 N¿Os(8)
Calculate AG for the reaction 2 H₂S(g) + SO2(g) 3 Srhombic(s) + 2 H₂O(g) For the following conditions at 25°C: PH₂S=0.0004 atm Pso₂=0.0143 atm PH₂O=0.0162 atm AG = AGOf H₂S(g): SO2(g) = -300. kJ/mol H₂O(g) = -229 kJ/mol = -34 kJ/mol KJ Submit Answer 6 item attempts remaining Try Another Version Previous Next
Consider the reaction (demonstrated in class) which occurs when a balloon filled with H2(g) and O2(g) is ignited. What would be the signs of AH, AS and AG for this reaction when it is run at room temperature? 2 H2(g) + O2(g) → 2 H₂O(g) B. C. D. E. ABCDE ΔΗ AS AG +
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Consider the heat loss of the hot water, and the heat gained by the ice. Which process is exothermic and endothermic, and what should the sign of Q be for each?