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amm1812
4 years ago
14

Which class of elements best conducts electricity

Chemistry
1 answer:
alina1380 [7]4 years ago
7 0
Metals conduct electricity the best,
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2 years ago
What is the maximum mass, in kilograms, of (NH4)2U2O7 that can be formed from the reaction of 100 kg of water and 100 kg of ammo
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Mass of (NH₄)₂U₂O₇ : 410.05 kg

<h3>Further explanation</h3>

Reaction

2UO₂SO₄ + 6NH₃ + 3H₂O → (NH₄)₂U₂O₇ + 2(NH₄)₂SO₄

MW UO₂SO₄ :  366.091

MW (NH₄)₂U₂O₇ : 624.131

MW H₂O :  18.0153

MW NH₃ : 17.0306

mol of 100 kg water :

\tt \dfrac{100}{18.0153}=5.55

mol of 100 kg ammonia :

\tt \dfrac{100}{17.036}=5.87

mol of UO₂SO₄ :

\tt \dfrac{481}{366.091}=1.314

Limiting reactants : smallest mol ratio(mol : coefficient)

\tt \dfrac{5.55}{3}\div \dfrac{5.87}{6}\div \dfrac{1.314}{2}=1.85\div 0.98\div 0.657

UO₂SO₄ ⇒ Limiting reactants

mol (NH₄)₂U₂O₇ : mol UO₂SO₄

\tt \dfrac{1}{2}\times 1.314=0.657

mass (NH₄)₂U₂O₇

\tt 0.657\times 624.131=410.05

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3 years ago
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