Answer:
Chemical Property describes the way substances react with other substances to form new substances.
Explanation:
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Explanation:
mass = Moles * molar mass
molar mass of BaSO4 = 112+32+64= 208
= 1.72*208 = 357.76
Answer:
<h3>A. Dalton recognized that tiny atoms combined to form complex structures. </h3>
Sound waves are D) Mechanical and Longitudinal
Explanation:
In physics, waves are classified into two types:
- Mechanical waves are those waves that need a medium to propagate - these waves are produced by the vibrations of the particles of the medium
- Electromagnetic waves are produced by the alternating vibrations of electric and magnetic fields - they are the only waves that can also travel through a vacuum, so they do not need a medium
Moreover, waves are further classified into:
- Transverse waves are those in which the vibration of the wave occurs in a direction perpendicular to the direction of propagation of the wave
- Longitudinal waves are those in which the vibration of the wave is parallel (back and forth) to the direction of propagation of the wave
Sound waves are oscillations of a medium that occurs back-and forth along the direction of propagation of the wave. Therefore, they are mechanical (they need a medium to propagate) and longitudinal. So the correct answer is
D) Mechanical and Longitudinal
Learn more about sound waves:
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