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sladkih [1.3K]
3 years ago
5

Scientists can tell recycling reduces atmospheric emissions by knowing which of the following? o it takes more Btu to manufactur

e recycled products than new ones O recorded emissions from manufacturing plants are down there are fewer manufacturing plants now, thus reducing emissions 0 it takes less Btu to manufacture recycled products than new ones Mark this and return its science ​
Chemistry
1 answer:
Dmitriy789 [7]3 years ago
7 0

Answer:

According to the Environmental Paper Network's Paper Calculator, it takes about 32 million BTUs of energy to produce 1 ton of virgin paper fiber. To produce 1 ton of recycled paper, it takes about 22 million BTUs.

so the answer could be it takes less Btu to manufacture recycled products than new ones

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SiCl4 + H2O = H4SiO4 + HCl
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Hey there!

Balance the equation:

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Balance H.

2 on the left, 5 on the right. Add a coefficient of 3 in front of H₂O and a coefficient of 2 in front of HCl.

SiCl₄ + 3H₂O → H₄SiO₄ + 2HCl  

Balance O.

3 on the left, 4 on the right. Change the coefficient of 3 in front of H₂O to a 4.

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This unbalanced our H, so change the coefficient of 2 in front of HCl to a 4.

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1 on the left, 1 on the right. Already balanced.

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Hope this helps!

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