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Liono4ka [1.6K]
3 years ago
5

What mass of iron (II) sulfide will be produced if 9.68 g of iron reacts with 6.28 g of sulfur

Advanced Placement (AP)
1 answer:
Naya [18.7K]3 years ago
3 0

Answer:

15.96 g

Explanation:

9.68+6.28=15.96

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Evander goes to baseball practice on Mondays and Thursdays. Each practice lasts 2.15 hours. How many hours of baseball practice
Rainbow [258]
Mondays and Thursdays is only 2 days a week. So 2.15x2 is 4.3 hours a week. 4.3x3= 12.9 hours every 3 weeks or 12 hours and 54 minutes
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2 years ago
Light waves are transmitted across the ________ and enter the eye through the ________.
alexdok [17]

Light waves are transmitted across the cornea and enter the eyes through the pupil.

<h3>FURTHER EXPLANATION</h3>

The eyes and the brain are important in helping people see. Light passes through the eyes and this light gets transformed into electrical signals which are sent to the brain that helps make sense of the object that is seen.

<h3 /><h3>How People See</h3>
  1. Light is incident on an object (or strikes an object). Some of it get absorbed, some are reflected into a human's eye.
  2. Light that bounces off the object is transmitted across the cornea,  the transparent outer layer of the eye. It refracts the light and makes things look sharp and clear.
  3. Then the light enters the pupil which is the opening in the eye controlled by the iris or the colored part of the eye. The iris changes the size of the pupil and controls the amount of light that enters the eye. When there is bright light, the pupil becomes smaller. In dim light, the opposite happens and the pupil becomes bigger.
  4. At the back of the pupil is the lens which again helps focus the light. Its shape changes depending on the distances of the objects that is being looked at.
  5. The light rays are focused by the lens so that they all converge in the retina which is at the back of the eye. The retina has many specialized cells which are sensitive to light. These cells transform light energy into electrical signals or nerve impulses which form a rough inverted image of the object the person is looking at.
  6. The electrical signals travel to the brain through the optic nerve. The brain turns the image upright and adds more detail to the vision.
<h3 /><h3>LEARN MORE</h3>
  • Virtual and Real Image brainly.com/question/916093
  • Refraction brainly.com/question/8533315
  • Lens brainly.com/question/2919483

Keywords: eye, vision, cornea, pupil

3 0
3 years ago
Read 2 more answers
A key drawback with the use of tests to screen individuals for desirable characteristics is that
DochEvi [55]

Answer:

A key drawback with the use of tests to screen individuals for desirable characteristics is that It is a time-consuming procedure.

It is very important for the employees to know exactly what they must look into and assess the characteristics accurately. This process is very time consuming and takes up a lot of patience and resources to carry the tests.

A study that would need to occur quickly cannot indulge into this testing process because of it being very tedious and time consuming.

3 0
3 years ago
On average, one out of every 2,000 babies born in the US have cystic fibrosis. What percentage of the above population has cysti
hoa [83]

Answer: 0.05%

Explanation:

Cystic fibrosis is a genetic disease that results in the body producing thick, and sticky mucus which is abnormal.

From the question, we are informed that 1 out of every 2,000 babies born in the US have cystic fibrosis, the percentage of the above population that has cystic fibrosis will be:

= 1/2000 × 100

= 0.05%

3 0
2 years ago
What material is most often used in carpeting?
masya89 [10]

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Most carpet is normal average carpet in your room or something, other carpets can be used as door pads and personally your living room carpet should be most expensive because guests see

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