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snow_tiger [21]
1 year ago
5

Which of the following would be appropriate reason(s) for scientists to reject atomic theory?

Chemistry
1 answer:
yKpoI14uk [10]1 year ago
3 0

The appropriate reasons for scientists to reject atomic theory are :

  • Evidence that some kinds of matter are made up of waves instead of particles ( B )
  • Observations that cannot be explained by the theory ( C )

<h3>What is atomic theory ?</h3>

Atomic theory states that every material substance is composed of similar minute particles known as atoms which share the same properties. these particles ( atoms ) bound together to form a matter.

Matter is composed of particles ( atoms ) and not wave also certain observations that cannot be explained will lead to the discredit of the atomic theory.

Hence we can conclude that The appropriate reasons for scientists to reject atomic theory are : Evidence that some kinds of matter are made up of waves instead of particles and Observations that cannot be explained by the theory

Learn more about atomic theory : brainly.com/question/1876441

#SPJ1

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A device that sends electrical impulses to the heart to correct an irregular
IgorC [24]
A. A pacemaker

Hope this helps!
6 0
2 years ago
Identify the correct order of electron transfers in the electron transport chain starting from FADH2.
Damm [24]

Answer:

FADH₂ → Q coenzyme → Complex III → c cytochrome → Complex IV → O₂

Explanation:

During oxidative phosphorylation, the electrons from NADH and FADH₂ are combined with O₂ and the energy released in the process is used to synthesize ATP from ADP.

The components of the electron transport chain are located in the internal part of the mitochondrial membrane in eukaryotic cells, and in the cell membrane in bacteria. The transporters in the electron transport chain are organized into four complexes in the inner mitochondrial membrane. A fifth complex then couples these reactions to the ATP synthesis.

Complex II receives the electrons from the succinate, which is an intermediary in the Krebs cycle. These electrons are transferred to the FADH₂ and then to the Q coenzyme. This liposoluble molecule will transport the electrons from Complex II to Complex III. In this complex, the electrons are transferred from the <em>b</em> cytochrome to the <em>c</em> cytochrome. This <em>c </em>cytochrome, which is a peripheric membrane protein located in the external part of the inner membrane, then transports the electrons to Complex IV where finally they are transferred to the oxygen.

6 0
3 years ago
PLEASE HELP ASAP
Mekhanik [1.2K]

The mass of magnesium, which has a density of 1.74 g/cm is 504.6 g.

<h3>What is mass?</h3>

Mass is the quantity of matter. Mass can be calculated by multiplying density by volume.

Magnesium is a chemical element with the atomic number 12. It is needed in the body in trace amounts. It can cause malnutrition in the body.

Mass = Density x volume

We know the density and the volume of magnesium.

Density = 1.74

Volume = 290

Density x volume

Putting the value in the equation

1.74 x 290 = 504.6 g

Thus, the mass of magnesium is 504.6 g.

To learn more about mass, refer to the below link:

brainly.com/question/22795877

#SPJ1

4 0
1 year ago
What chemical substance is formed when the oh and h is joined?
Nezavi [6.7K]
Water is formed when this happens
3 0
3 years ago
For which of the following aqueous solutions would one expect to have the largest van’t Hoff factor (i)? a. 0.050 m NaCl b. 0.50
ira [324]

Answer:

The van't hoff factor of 0.500m K₂SO₄ will be highest.

Explanation:

Van't Hoff factor was introduced for better understanding of colligative property of a solution.

By definition it is the ratio of actual number of particles or ions or associated molecules formed when a solute is dissolved to the number of particles expected from the mass dissolved.

a) For NaCl the van't Hoff factor is 2

b) For K₂SO₄ the van't Hoff factor is 3 [it will dissociate to give three ions one sulfate ion and two potassium ions]

Out of 0.500m and 0.050m K₂SO₄, the van't hoff factor of 0.500m K₂SO₄ will be more.

c) The van't Hoff factor for glucose is one as it is a non electrolyte and will not dissociate.

7 0
3 years ago
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