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DIA [1.3K]
3 years ago
12

What is the name of the state when electrons absorb energy and move to a higher energy level?

Chemistry
1 answer:
Sav [38]3 years ago
6 0
Excited state , as stated in quantum mechanics
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the movement of molecules from an area of low concentration to an area of high concentration occurs in what transport?
solmaris [256]
Movement of molecules from an area of higher concentration to one of lower concentration is called Diffusion
4 0
3 years ago
How many moles of MgSiO3 are in 237g of the compound?
Anna35 [415]
For this, we first calculate molecular weight of MgSiO₃:
Atomic masses:
Mg = 24
Si = 28
O = 16

Mr = 24 + 28 + 16 x 3
Mr = 100

moles = mass / Mr
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6 0
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

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Number of moles = 2.8 mol

5 0
3 years ago
If you go from the Earth to the Moon, will your MASS change?
Solnce55 [7]

Answer:

No matter if you are on Earth, the moon or just chilling in space, your mass does not change. But your weight depends on the gravity force; you would weigh less on the moon than on Earth, and in space you would weigh almost nothing at all.

8 0
3 years ago
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At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the product? Explain you
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Answer:

shur the fuiick stuiipid bgiigtch

Explanation:

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3 years ago
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