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Ivenika [448]
2 years ago
10

What does the law of conservation of energy imply?

Chemistry
2 answers:
liraira [26]2 years ago
8 0
A If I’m not wrong please tell me if I’m right or not
GenaCL600 [577]2 years ago
4 0
Answer a is the correct one
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A measure of the kinetic energy of particle motion within a substance is _____.
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3 years ago
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How much CaCO3 would have to be decomposed to produce 247 g of CaO
vovangra [49]

441 g CaCO₃ would have to be decomposed to produce 247 g of CaO

<h3>Further explanation</h3>

Reaction

Decomposition of CaCO₃

CaCO₃ ⇒ CaO + CO₂

mass CaO = 247 g

mol of CaO(MW=56 g/mol) :

\tt mol=\dfrac{mass}{MW}\\\\mol=\dfrac{247}{56}\\\\mol=4.41

From equation, mol ratio CaCO₃ : CaO = 1 : 1, so mol CaO :

\tt \dfrac{1}{1}\times 4.41=4.41

mass CaCO₃(MW=100 g/mol) :

\tt mass=mol\times MW\\\\mass=4.41\times 100\\\\mass=441~g

6 0
2 years ago
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