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Sveta_85 [38]
3 years ago
11

When a surface is experiencing friction with another surface, how are the particles

Chemistry
1 answer:
Free_Kalibri [48]3 years ago
6 0

Answer:

the surface may become etheir scratchy and soft and that the surface may also be come heated up due to friction

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sergeinik [125]
If the heat is absorbed, then the temperature will increase as well.
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3 years ago
How many moles of water are in a beaker with 50 mL?
tatiyna

Answer:

Number of moles = 2.8 mol

Explanation:

Given data:

Number of moles of water = ?

Volume of water = 50 mL

Density of water = 1.00 g/cm³

Solution:

1 cm³ =  1 mL

Density = mass/ volume

1.00 g/mL = mass/ 50 mL

Mass = 1.00 g/mL× 50 mL

Mass = 50 g

Number of moles of water:

Number of moles = mass/molar mass

Number of moles = 50 g / 18 g/mol

Number of moles = 2.8 mol

5 0
3 years ago
An atom in an excited state contains more of what type of energy than the same atom in the ground state
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Answer:

Total Energy of the electrons

Explanation:

An atom in an excited state is when the total energy of electrons can be lowered by transferring molecule(s) over to different orbitals. in an excited state atom, not all electrons are at the lowest energy levels

4 0
3 years ago
Most bones are connected at Joints by​
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Los huesos se mantienen unidos a otros huesos a través de unas largas tiras fibrosas llamadas ligamentos. El cartílago, una sustancia flexible y elástica que contienen las articulaciones, sujeta los huesos y los protege en los puntos donde varios huesos friccionan entre sí.

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A car travels 33.52 miles in 28 minutes. how fast is the car moving
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