Answer:
What interference occurs when two waves are out of phase?
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Destructive interference
Destructive interference occurs when the maxima of two waves are 180 degrees out of phase: a positive displacement of one wave is canceled exactly by a negative displacement of the other wave. The amplitude of the resulting wave is zero.
1) The longitudinal waves move in parallel direction to the source of vibration. The transverse waves move in perpendicular direction to the source of vibration . They are similar in the sense that energy is transferred in the form of waves.
2) Reflection occurs when waves bounce from a surface back toward the source. Refraction is when waves are deflected when the waves go through a substance.
3) The Law of Conservation of Energy
states that energy can neither be created
nor destroyed, it can only be transferred or
changed from one form to another.
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The formula for sodium sulfide is Na2S.
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Answer:
Amine have higher boiling points than hydrocarbons.
Explanation:
Primary, secondary and tertiary amines have higher boiling points than hydrocarbons because they can engage in intermolecular hydrogen bonding.
Amines has three classes
1. Primary amines
2. Secondary amines
3. Tertiary amines
All this classes of amines have higher boiling point than hydrocarbons due to C-N bond in them
This is because amines can engage in hydrogen bonding with water, amines of low molar mass are quite soluble in water.
Amines are having higher boiling points than hydrocarbons, as C-N bond in amines is more polar than a C-C bond in hydrocarbons. Due to the polar nature of amines, it forms intermolecular H-bonds and exists as associated molecules.
Answer:
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