Chemistry
20.06.2022 15:00
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Wireless Internet networks, including many used in homes, often make use of high-frequency

Wireless Internet networks, including many used in homes, often make use of high-frequency radio waves. High-frequency waves are useful because they can carry a lot of information. However, high-frequency waves are less capable of passing through objects than are low-frequency waves. As a result, waves traveling from a person's wireless laptop computer, for example, could be interrupted by objects between the computer and the modem.

Due to this limitation of high frequency waves, which of the following statements best explains why digital waves are commonly used in high-frequency wireless networks instead of analog waves?
A.
Small disruptions in analog waves are more easily corrected than in digital waves.
B.
It is easier to correct small disruptions in digital waves than in analog waves.
C.
Analog waves cannot reach high enough amplitudes to be used in wireless networks.
D.
Analog waves cannot reach large enough wavelengths to be used in wireless networks.
Show Answers
alopez117
alopez117
4,9(63 marks)

2Fe + Oβ‚‚ > 2FeO

8 mol Fe produce

8 mol Fe * 2 mol FeO / 2 mol Fe = 8 mol FeO

Mass of FeO = 8 mol FeO * 71.85 g/mol = 574.8 grams FeO

Explanation:

Having 8 mol of Iron means 8 moles of iron oxide can be produced. Each mole of iron oxide has a molecular weight of 71.85 grams. Therefore, 8 moles of iron oxide should weight 574.8 grams.

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