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gregori [183]
3 years ago
7

What's the difference between kinetic energy and potential energy?

Chemistry
2 answers:
lara [203]3 years ago
8 0

Kinetic energy is energy in which an object contains do to a particular motion. Potential energy is stored energy due to its state of rest.






ahrayia [7]3 years ago
6 0

Kinetic energy is energy that is currently in the process of being used,while potential energy is energy that is being stored. Example a rubber band when a rubber band is is being stretched out the energy is being stored up, however when you let the rubber band go the, as the rubber band is flying through the air the kinetic energy is being used

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A sample of aluminum, which has a specific heat capacity of 0.897·J·g−1°C^−1 , is put into a calorimeter (see sketch at right) t
Tcecarenko [31]

Answer: The mass of aluminium sample is 55.4 gram

Explanation:

Q_{absorbed}=Q_{released}

As we know that,  

Q=m\times c\times \Delta T=m\times c\times (T_{final}-T_{initial})

m_1\times c\times (T_{final}-T_1)=-[m_2\times c\times (T_{final}-T_2)]      

where,

m_1 = mass of aluminium = ?

m_2 = mass of water = 300.0 g

T_{final} = final temperature = 23.8^0C

T_1 = temperature of aluminium = 94.5^oC

T_2 = temperature of water = 21.0^oC

c_1 = specific heat of aluminium = 0.897J/g^0C

c_2 = specific heat of water =  4.184J/g^0C

Now put all the given values in equation (1), we get

-[m_1\times c_1\times (T_{final}-T_1)]=[m_2\times c_2\times (T_{final}-T_2)]

-[m_1\times 0.897\times (23.8-94.5)^0C]=[300.0g\times 4.184\times (23.8-21.0)]

m_1=55.4g

Therefore, the mass of aluminium sample is 55.4 gram

8 0
3 years ago
A ball slowing down as it rolls across a carpet is an example of what
vlada-n [284]

A ball slowing down as it rolls across a carpet is an example of friction.

Friction is a force that slows down moving objects.

4 0
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The process that is being shown in the diagram below is Fertilization

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Answer:

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Answer: because a mole is based on Avogrado's number,  which is 6.02 x 10²³ particles. It isn't possible to directly count that many particles at a time.

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