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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 60 times)

Gabby

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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


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Marked as best answer by Gabby on Nov 5, 2023

dsfhkjdfaskjfdsjk

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Gabby

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


kswal303

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

 

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