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snow_tiger [21]
3 years ago
11

The human eye contains a certain protein called rhodopsin that changes shape when it is exposed to light. When rhodopsin absorbs

light, part of it undergoes a chemical change. This is how eyes sense the presence of light.
Chemistry
2 answers:
grandymaker [24]3 years ago
6 0
The human eye contains a molecule called 11-cis-retinal that changes conformation when struck with light of sufficient energy. The change in conformation triggers a series of events that results in an electrical signal being sent to the brain. The minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 {\rm kJ}/{\rm mol}.
laiz [17]3 years ago
3 0
The other person is also correct
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I need help with this question
LenaWriter [7]

Answer:

B

Explanation:

it's all about the genetics of the horse

5 0
3 years ago
A neutralization reaction is a _________ replacement reaction that starts with an ________ and a __________ and ends with ______
Alexeev081 [22]

Answer:

Double, acid, base, water, salt.

Explanation:

The general reaction of a neutralization is:

X(OH) + YH → H₂O + XY

If you see, the reaction is a <em>double replacement reaction </em>because the cation and the anion of the two reactants switch places, forming two new compounds or products.

Always, the reaction starts with an <em>acid </em>and a <em>base </em>and will produce <em>water </em>and a <em>salt. </em>

I hope it helps!

5 0
3 years ago
Which row about a change of state is correct?
Iteru [2.4K]

Answer:

c

Explanation:

because heat is taken in in sublimation.

5 0
2 years ago
One mole of an atom of a substance is equal to
solong [7]

Answer:

One mole of a substance is equal to 6.022 × 10²³ units of that substance (atoms, molecules, or ions)

Explanation:

This number is Avogadro's number. The concept of the mole can be used to convert between mass and number of particles. its used to compare very large numbers.

4 0
3 years ago
A titration was performed in a lab situation. H2SO4 was titrated with NaOH. The following data was collected: mL of NaOH used =
RoseWind [281]
For the titration we use the equation,
                             M₁V₁ = M₂V₂
where M is molarity and V is volume. Substituting the known values,
                            (0.15 M)(43.2 mL) = (2)(M₂)(20.5 mL)
We multiply the right term by 2 because of the number of H+ in H2SO4. Calculating for M₂ will give us 0.158 M. Thus, the answer is approximately 0.16M. 
7 0
3 years ago
Read 2 more answers
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