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kotykmax [81]
2 years ago
13

How does the brain receive information from the light entering the eye?

Chemistry
1 answer:
harina [27]2 years ago
6 0
When focused light is projected onto the retina, it stimulates the rods and cones. The retina then sends nerve signals are sent through the back of the eye to the optic nerve. The optic nerve carries these signals to the brain, which interprets them as visual images.
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A 240.0 gram piece of copper is dropped into 400.0 grams of water at 24.0 °C. If the final temperature of water is 42.0 °C, what
ludmilkaskok [199]

The initial temperature of the copper piece if a 240.0 gram piece of copper is dropped into 400.0 grams of water at 24.0 °C is 345.5°C

<h3>How to calculate temperature?</h3>

The initial temperature of the copper metal can be calculated using the following formula on calorimetry:

Q = mc∆T

mc∆T (water) = - mc∆T (metal)

Where;

  • m = mass
  • c = specific heat capacity
  • ∆T = change in temperature

According to this question, a 240.0 gram piece of copper is dropped into 400.0 grams of water at 24.0 °C. If the final temperature of water is 42.0 °C, the initial temperature of the copper is as follows:

400 × 4.18 × (42°C - 24°C) = 240 × 0.39 × (T - 24°C)

30,096 = 93.6T - 2246.4

93.6T = 32342.4

T = 345.5°C

Therefore, the initial temperature of the copper piece if a 240.0 gram piece of copper is dropped into 400.0 grams of water at 24.0 °C is 345.5°C.

Learn more about temperature at: brainly.com/question/15267055

8 0
1 year ago
7. Which of the following changes could be associated with either a chemical change OR a
Elan Coil [88]

Answer:

a: chemical change because the change cannot be reversed.

b: physical change because the action can be reversed.

c: chemical change.

d:chemical change.

any change that cannot be reversed is a chemical change and any change that can be reversed is a physical change.

5 0
2 years ago
what is the product of sodium sulphate and magnesium phosphite if they were combined? please give the chemical formula not its n
Morgarella [4.7K]

Answer:

MgSO4  is right

Explanation:

6 0
3 years ago
What is the compound formula for Ba2 and NO3–?
Dimas [21]

That would be the compound Ba(NO3)2. The Barium ion has a charge of 2+ so there are 2 NO3- ions in the formula to produce a neutral compound.

3 0
3 years ago
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When using the absolute method to assess muscular endurance, you should adjust the weight according to each individual's strengt
Ghella [55]
I’m pretty sure it’s true I’m not 100% sure tho
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3 years ago
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