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Author Question: How much heat is required to raise the temperature of 1.5 x 103 g of water from 45F to 130.F? The ... (Read 48 times)

Gabby

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on: Nov 5, 2023

Question 1

How much heat (kJ) is evolved when 4.50 g of Fe2O3 is reacted with excess carbon monoxide using the equation below?
Fe2O3(s)  +  3CO(g)   →   2 Fe(s)  +  3 CO2(g) ΔH°rxn = – 24.8 kJ/mol,
◦ 0.699 kJ
◦ 2.10 kJ
◦ 17.9 kJ
◦ 24.8 kJ
◦ 112 kJ

Question 2

How much heat is required to raise the temperature of 1.5 x 103 g of water from 45°F to 130.°F? The specific heat of water is 4.184 J/g·°C.
◦ 3.0 x 101 kJ
◦ 3.0 x 102 kJ
◦ 3.4 x 102 kJ
◦ 5.3 x 102 kJ
◦ 8.2 x 102 kJ
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by Gabby on Nov 5, 2023

dsfhkjdfaskjfdsjk

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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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Gabby

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Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review

nathang24

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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