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Alenkinab [10]
3 years ago
8

__________ often cause overactive eye movement. A. Stimulants B. Depressants C. Barbiturates D. None of the above

Chemistry
2 answers:
jeka57 [31]3 years ago
5 0

<u>Stimulants </u> often cause overactive eye movement

Ans (A)

Stimulants are a class of psychoactive drugs that increase the brain activity. They work by acting on the central nervous system and increase the level of mental alertness and impart heightened cognitive functions. Stimulants like nicotine and cocaine cause overactive eye movement.

Valentin [98]3 years ago
4 0

Answer:

<u>( A). Stimulants is a correct answer.</u>

Explanation:

Stimulants result in the overactive movement of eye.

Stimulants belong to the class psychoactive drugs which cause increase brain function.

Stimulants results in the change of the corneal curvature, and it increases the alertness and energy for a limited period of time.

Ritalin is a class of stimulants known as Methylphenidate and other stimulants like nicotine, cocaine result in overactive movement of the eye.

In this condition, people are not able to concentrate on multiple visual works at the same time.

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What mass of hydrogen is produced when 192 g of magnesium is reacted with hydrochloric acid?​
mariarad [96]

Answer:

Mg+2HCL-Magnesium Chloride +Hygrogen

>

Explanation:

N.O of moles=Mass\Molar Mass

192÷24=8

1:1

8×2=16

3 0
1 year ago
Read 2 more answers
Which feature of four different marine fossils makes the fossil organism most similar to the present-day organism with four limb
zvonat [6]
I found the rest of the exercise on the internet and these are the options.
"-Undifferentiated vertebrae throughout the body.
-One neck vertebra allowing up and down movement.
-Many neck vertebrae that allow for greater mobility.
<span>-Two neck vertebrae allowing up and down and sideways movement."

The correct answer would be the third. - "</span>Many neck vertebrae that allow for greater mobility." The <span>present-day organism with four limbs has a neck with several vertebrae that allow movements of rotation (mostly because of only two vertebrae at the top of the neck), and side way movements, as well as back and forth movements.</span>
6 0
3 years ago
How many moles are in 3.4 x 10-7 grams of Silicon dioxide, SiO2?
Varvara68 [4.7K]

Answer:

Number of moles = 0.057 × 10⁻⁷  mol

Explanation:

Given data:

Mass of SiO₂ = 3.4 × 10⁻⁷ g

Number of moles = ?

Solution:

Number of moles = mass/molar mass

Molar mass of SiO₂ = 60 g/mol

by putting values,

Number of moles =  3.4 × 10⁻⁷ g / 60 g/mol

Number of moles = 0.057 × 10⁻⁷  mol

8 0
2 years ago
While preforming an experiment involving colors and heat,Susan noticed that the black paper was warmer than the white piece of p
Firdavs [7]

Answer:

Blackbody radiation

Explanation:

This phenomenon described by Susan is know as black body radiation. Different materials by color reacts to incident radiation on them in diverse manner.

  • A white surface will reflect all the wavelength of light incident on it.
  • A black surface will absorb all the wavelength of light on it.

This absorption causes the black surface to be hotter compared to other surfaces.

3 0
2 years ago
How many moles are in 1.20 times 10^25 atoms of phosphorus
Stels [109]

19.927 moles are in 1.20 times 10^{25} atoms of phosphorus.

<h3>What are moles?</h3>

A mole is defined as 6.02214076 ×10^{23} of some chemical unit, be it atoms, molecules, ions, or others.

1 mole of any substance contain Avogadro's number of molecules so we can calculate the number of moles by dividing the provided number of atoms over Avogadro's number to obtain the number of moles .

Moles= \frac{Atoms}{\;Avogadro's \;number }

Moles=  1.20 X 10^{25} atoms ÷ 6.022 X 10^{23}

= 19.927

Hence, 19.927 moles are in 1.20 times 10^{25} atoms of phosphorus.

Learn more about moles here:

brainly.com/question/26416088

#SPJ1

5 0
1 year ago
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