Answer:
1. Richter
2. moment
Explanation:
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Natural gas is a fossil fuel, though the global warming emissions from its combustion are much lower than those from coal or oil. Natural gas emits 50 to 60 percent less carbon dioxide (CO2) when combusted in a new, efficient natural gas power plant compared with emissions from a typical new coal plant
Answer:
moles in 0.250 g of h20 is 1.349x10^-2
Mohs scale of mineral hardness
Answer:
12 moles of MgO could eventually form.
Explanation:
In the reaction:
2KClO₃ → 3O₂ + 2KCl
2 moles of KClO₃ produce 3 moles of O₂. 4 moles of KClO₃ produce:
4 mol KClO₃ × (3 mol O₂ / 2 mol KClO₃) = <em>6 mol O₂</em>
In the second reaction:
2Mg + O₂ → 2MgO
1 mole of O₂ produce 2 moles of MgO. Thus, 6 mol of O₂ produce:
6 mol O₂ × (2 mol MgO / 1 mol O₂) = <em>12mol MgO</em>
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Thus, <em>12 moles of MgO could eventually form.</em>