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Anna35 [415]
3 years ago
9

Was john dalton a good scientist? why?

Chemistry
1 answer:
Zina [86]3 years ago
3 0

he is a good scientist because he postulated that chemical reactions resulted in the rearrangement of the reacting atoms

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A small piece of hot metal is placed in cooler water. The metal is left in the water
scoundrel [369]

Answer: The amount of energy lost by the metal is equal to the amount of energy gained by the water

Explanation:

5 0
2 years ago
At 9°C a gas has a volume of 6.17 L. What is its volume when the gas is at standard temperature?
Alex17521 [72]

Answer:

V₂ = 5.97 L

Explanation:

Given data:

Initial temperature = 9°C (9+273 = 282 K)

Initial volume of gas  = 6.17 L

Final volume of gas = ?

Final temperature = standard = 273 K

Solution:

Formula:

The Charles Law will be apply to solve the given problem.

According to this law, 'the volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure'

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₂ = V₁T₂/T₁  

V₂ = 6.17 L ×  273K /  282  k

V₂ = 1684.41 L.K / 282 K

V₂ = 5.97 L

5 0
3 years ago
DIRECTION: Supply the missing information about the scientist listed in the graphic
e-lub [12.9K]

Answer:

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A. Leeuwenhoek: he was a microscopist and microbiologist who used microscopes and observed many other living cells. He called animalcules to these single-cell living organisms later used to prove that cells are the fundamental unit of life.

Schwann and Schleiden:  They presented the theory that suggested that the cells are basic building blocks of all living things.

Virchow: He observed that the cell dividing and come from pre-existing cells.

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3 years ago
Nagine you are repeatedly lifting a weight into the air up to a height of 2 m. Assuming in each litt
Mariulka [41]

Answer:

A

Explanation:

8 0
3 years ago
What do you call a bond that forms when electrons are transferred from one atom to another?
AlekseyPX
It is called an ionic bond
4 0
3 years ago
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