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Anna11 [10]
3 years ago
14

Which of the following is a compound machine?

Chemistry
1 answer:
Burka [1]3 years ago
3 0
A compound machine is that which is composed of two or more simple machines. Simple machines come in 6 basic types: (1) wheel and axle, (2) inclined plane, (3) wedge, (4) pulley, (5) screw, and (6) lever. Among the choices given above, the compound machine is the can opener for it is a combination of a wedge and a lever. 
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rewona [7]

Answer:

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Explanation:

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8 0
3 years ago
Imagine that hotter magma is lying beneath an area of cooler magma deep in the mantle. What do you predict will happen?
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it will explod because off all of the prussere but on to it.

Explanation:

3 0
3 years ago
Explain why atoms move at different speeds depending on whether they are in liquids or solids.
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<span>Atoms move at different speeds depending on whether they are in liquids or solids </span><span>because the atoms or particles in solids are closely bonded while they are loosely bonded in liquids.
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</span><span>The attractive forces between the particles are so high that they remain in fixed positions. The particles, then, cannot slip over the neighbors particles. They can only vibrate. That is why solids have definite form and volume.</span><span />

<span>That the particles in liquids are loosely bonded means that the attractive forces are less compared with solids. Then the partilces can move and pass each other. They are not in fixed arrangements any more. Yet the particles are attracted to each other, so they have definite volume, although they take the form of the vessel, and they can flow.
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4 0
3 years ago
The aqueous equilibrium reaction below would not be affected by
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Answer:loko2020 I’m stupid I don’t know no answers sorry

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5 0
3 years ago
Which of the following processes would you predict to have an increase in entropy?
Anna [14]
C. Melting ice. 
It is C because melting ice is a change of state from solid to liquid which requires an addition of energy(or entropy) into the system.
Condensation of water occurs from a gas to a liquid state, which takes energy out of the system(water) and gives it to the surroundings(air around it). Freezing water is the same as condensation except for the state change. Deposition is simply gas to a solid instantaneously so you can again see it as with the other two examples. 

6 0
3 years ago
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