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Serjik [45]
3 years ago
13

GIVING OUT BRAINLIEST

Chemistry
2 answers:
Luba_88 [7]3 years ago
5 0
In a longitudinal wave, the energy moves in the same direction as the motion of the wave (parallel). The greater the amplitude, the greater the energy.
Therefore, the answer is:
It decreases and is parallel to the motion of the wave.
d1i1m1o1n [39]3 years ago
4 0

Answer:

it increases and is perpendicular to the motion of the wave.

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When I2 and FeCl2 are mixed together, iodine (I) cannot replace chlorine (Cl) in the compound because iodine is lower on the per
Nata [24]

Answer: The given statement is true.

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Reactivity of elements is the tendency of the elements to gain or loose electrons. The reactivity decreases down the group in a periodic table.

In the given reaction, Iodine and chlorine are the elements of the same group in the periodic table and iodine lies below chlorine in the group. So, the reactivity of iodine is less than the reactivity of chlorine.

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FeCl_2+I_2\rightarrow \text{No reaction}

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