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3 years ago

Which of the following scenarios best illustrates the opponent-process theory of color vision?

Chemistry

1 answer:

Kitty [74]3 years ago

6 0

Answer:

Kayla sees afterimages of opposing colors when she stares at a poster for a long time.

Explanation:

The "opponent-process theory" is a theory developed by Edward Hering. It states that three color pairs, which are opposing in nature, are linked by the cone receptors. These pairs are:

blue/yellow
red/green
black/white

This can be done when you stare at an afterimage patch for 30 seconds. Such as what Kayla is doing. Once the color stimuli is removed and she fixates her attention to a dot at the center of her field, she'll notice the colors being reversed. This means that if she sees the original color as "blue," she'll see it now as "yellow" and vice-versa.

Extended inspection of a color in a pair results to it being fatigued. This allows the non-fatigued color pair to be noticed.

So, this explains the answer.

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In average households, what uses the most water each day?

Tanya [424]

Answer:

I think a toilet because it is use a lot once you think about it

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3 years ago

Read 2 more answers

Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 1.20 MJ 1

mars1129 [50]

Answer : The mass of liquid sodium needed are, $3.17\times 10^3g$

Explanation :

First we have to calculate the number of moles of liquid sodium.

$q=n\times c\times (\Delta T)$

where,

q = heat absorb = 1.20 MJ = 1.20 × 10⁶ J

n = number of moles of liquid sodium = ?

c = specific heat capacity = $30.8J/mol.K$

$\Delta T$ = change in temperature = $10.0^oC=273+10.0=283K$

Now put all the given values in the above formula, we get:

$1.20\times 10^6J=n\times 30.8J/mol.K\times 283K$

$n=137.7mol$

Now we have to calculate the mass of liquid sodium.

Molar mass of Na = 23 g/mol

$\text{Mass of Na}=\text{Moles of Na}\times \text{Molar mass of Na}$

$\text{Mass of Na}=137.7mol\times 23g/mol=3167.1g=3.17\times 10^3g$

Therefore, the mass of liquid sodium needed are, $3.17\times 10^3g$

3 0

4 years ago

Help please it's due in 12 hours (20 points)

Rufina [12.5K]

Answer:

1) K and Rb

2) 20 protons, 20 neutrons, and 20 electrons.

Explanation:

1) If it's in the same column, it has the same # of valence electrons (e- on the outer shell), therefore similar chemical properties.

1) atomic #, 20, is the number of protons

2) subtract the mass number from # of protons, which you get 20 neutrons

3) Number of electrons in a neutral atom = number of electrons, which is 20. You can also check yourself by looking at electron configuration on a full periodic table.

8 0

2 years ago

Correct?

erica [24]

Correct answer is C

Na2O + H2O ----> 2 NaOH

:-) ;-)

4 0

4 years ago

Why bonding of water molecule called a pure

Vesna [10]

Answer:

A molecule of water has two hydrogen atoms. Both of these atoms can form a hydrogen bond with oxygen atoms of different water molecules. Every water molecule can be hydrogen bonded with up to three other water molecules

4 0

2 years ago