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Author Question: Given the specific heat for aluminum is 0.900 J/gC, how much heat is released when a 3.8 g sample of ... (Read 74 times)

rissygurl1124

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on: Nov 5, 2023

Question 1

Given that CaO(s) + H2O(l) → Ca(OH)2(s), ΔH°rxn = –64.8 kJ/mol, how many grams of CaO must react in order to liberate 525 kJ of heat?
◦ 6.92 g
◦ 56.1 g
◦ 455 g
◦ 606 g
◦ 3.40 × 104 g

Question 2

Given the specific heat for aluminum is 0.900 J/g·°C, how much heat is released when a 3.8 g sample of Al cools from 450.0°C to  25°C.
◦ 54 J
◦ 60 J
◦ 86 J
◦ 1.5 kJ
◦ 1.7 kJ
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by rissygurl1124 on Nov 5, 2023

Htimsrs

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Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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rissygurl1124

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Reply 2 on: Nov 5, 2023
:D TYSM

chjcharjto14

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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