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natita [175]
2 years ago
8

31. Use the equation given below to answer the following question: If 755 kJ of heat was absorbed, what mass of carbon dioxide r

eacted?
2CO2 + 43.9 kJ → 2CO +O2
Chemistry
1 answer:
brilliants [131]2 years ago
8 0

Answer:

1514g of CO₂ reacted

Explanation:

Based on the reaction:

2CO₂ + 43.9kJ → 2CO + O₂

<em>2 moles of carbon dioxide require 43.9kJ of energy to produce 2 moles of carbon monoxide and 1 mole of oxygen</em>

<em />

To solve this question, we must convert the 755kJ of energy to moles of carbon dioxide that reacts and to find the mass as follows:

755kJ * (2 moles CO₂ / 43.9kJ)  =34.4 moles of CO₂ are produced

<em>Mass CO₂: Molar mass: 44.01g/mol</em>

34.4 moles CO₂ * (44.01g / mol) =

<h3>1514g of CO₂ reacted</h3>
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1 year ago
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Katyanochek1 [597]
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What is the nuclear binding energy of an atom that has a mass defect of 5.0446 x 10-29 kg?
lutik1710 [3]
I think it is 4.54 x 10-12
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2 years ago
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what is the change in the velocity of the biker below as he travels from point b to point c ? ..... What is his acceleration fro
Furkat [3]

The change in the velocity = 4 m/s

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<h3>Further explanation</h3>

Given

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Required

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Solution

the change in velocity =

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Acceleration = ratio of a change in velocity and the time

\tt a=\dfrac{\Delta v}{t}= \dfrac{vf-vo}{t}

Input the value :

\tt a=\dfrac{4~m/s}{1~s}=4~m/s^2

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