An atomic scients was studying an atom and through experimentation found that the total negative charge of the
area sounding the nucleus 9 Which statement correctly descnbes this atom?
This atom has time clouds
This atom has nine electrons
This atom has nine neutrons
This atom has the protons

Answer:

the correct answer is

"SH"

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have a great day ahead :)

The sulfhydryl functional group is shown by -SH.

The sulfhydryl functional group is known by several other names such as; thiol, mercapto or sulfanyl.

The sulfhydryl functional group has the structure -SH. The sulphur atom bears two lone pairs which is also important in studying the chemistry of this functional group.

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Using third equation of kinematics

[tex]\\ \rm\longmapsto v^2=u^2+2as[/tex]

[tex]\\ \rm\longmapsto v^2=0^2+2(0.5)(1.6)[/tex]

[tex]\\ \rm\longmapsto v^2=1.6[/tex]

[tex]\\ \rm\longmapsto v=\sqrt{1.6}[/tex]

[tex]\\ \rm\longmapsto v=0.4m/s[/tex]

Now using 1st equation of motion

[tex]\\ \rm\longmapsto v=u+at[/tex]

[tex]\\ \rm\longmapsto t=v-u/a[/tex]

[tex]\\ \rm\longmapsto t=\dfrac{0.4-0}{0.5}[/tex]

[tex]\\ \rm\longmapsto t=\dfrac{4}{5}[/tex]

[tex]\\ \rm\longmapsto t=0.8s[/tex]

Answer:

Using third equation of kinematics

[tex]\begin{gathered}\\ \rm\longmapsto v^2=u^2+2as\end{gathered}[/tex]

⟼v

2

=u

2

+2as

[tex]\begin{gathered}\\ \rm\longmapsto v^2=0^2+2(0.5)(1.6)\end{gathered}[/tex]

⟼v

2

=0

2

+2(0.5)(1.6)

An irreversible reaction is a reaction that tends to completion. When a strong acid added to water, the reaction is irreversible.

In chemistry, a reaction may be reversible or irreversible. In a reversible reaction, the reaction could move forward or backwards. An irreversible reaction only tends towards completion. It doesn't goes in the reverse direction.

When a weak acid or base is added to water, the reaction is reversible because the substance does not ionize to a large extent in water and the equilibrium position may lie towards the far left. However, a strong acid or base achieves 100% ionization in water hence the reaction is irreversible.

Therefore, when a strong acid added to water, the reaction is irreversible.

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Answer:

1. strong acid added to water

2. The dissociation constant for hydrochloric acid is greater than the dissociation constant for acetic acid.

3. HA, HC, HB

4. decreasing the concentration of OH– ions

HOPE THIS HELPS

Answer:

[tex]\huge\boxed{\sf a = 5 \ ms^{-2}}[/tex]

Explanation:

Given:

Force = f = 60 N

Mass = m = 12 kg

Required:

Acceleration = a = ?

Formula:

F = ma

Solution:

Rearranging formula

a = F / m

a = 60 / 12

a = 5 ms⁻²

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

Hey there!

A pulley is a "system" that has a rope attached to carry heavy materials off the ground. Once you pull the rope, the heavy item will be carried.

Hope this helps!

Have a great day!

Answer:

False

Explanation:

This depends on how much air is in the ball, I think

We have that the Three  consequences of lack of basic services in community​ are

-Educational Impact

-Insecurity

-Poverty

Lack of basic services in community​

There are many consequences that result from the lack of basic services in a community​ but i shall focus on these three as they are very major impacts

-Educational Impact

Basic service like Water,Electricity ,Mobility and close Proximity to market place has a major impact on the ability of a person pursue educational attainments.we live in a modern world and without power(as) electricity we can not do much of studying in this times

-Insecurity

The Human mind is built with a default setting of Survival.Without the basic services provide persons of low moral will tend to go into illegal acts to survive as the basic needs are necessary for survival

-Poverty

For a community to  grow it is necessary that the right environment is made available for growth and if these requirements are not meet in form of basic services in community​ the community falls under the threat of falling into poverty

In conclusion

The Three  consequences of lack of basic services in community​ are

-Educational Impact

-Insecurity

-Poverty

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Answer:

D. 16 Kgm/s

Explanation:

Let the momentum of the two balls be A and B respectively.

Momentum A = 16 kgm/s

Momentum B = 0 kgm/s (since the ball is at rest).

Total momentum = A + B

Total momentum = 16 + 0

Total momentum = 16 Kgm/s

Momentum can be defined as the multiplication (product) of the mass possessed by an object and its velocity. Momentum is considered to be a vector quantity because it has both magnitude and direction.

Mathematically, momentum is given by the formula;

Momentum = mass * velocity

Answer:

the anser is

Explanation:

Acceleration is defined as the rate of change of velocity.

Acceleration = (Change in velocity) / time taken

Acceleration = (Final velocity - initial velocity) / time

As the object velocity changes by the same amount in each second, it means the acceleration is constant.

The gravitational force is a force that attracts any two objects with mass. Two major factors, mass and distance, affect the strength of gravitational force on an object.Newtons kg-2 m2 is it's SI unit.

Answer:

30.5555556 m/s

You can write like "30.56 m/s".

Answer:

Below

Explanation:

You can convert km/h to m/s by dividing the value by 3.6

      110 km/h / 3.6 = 30.5556 m/s

*not sure if your teacher wants you to round to sig figs for this but here it is anyways. Because 110 has 2 sig figs it would be :

    31 m/s

Hope this helps! Best of luck <3

Answer:

49.050 KW

Explanation:

work done = PE

= mgh

=5000×9.81×10

=490500J

power = workdone/Time taken

= 490500/10

= 49050 watts

= 49.050kW

Hi,

The man on the ground in standing position has more pressure. This is because when he stands, only his legs are in contact with the ground. While lying, his body is more in contact with the ground, therefore, he exerts less pressure.

To the point, a man standing position on the ground had more pressure.

More is the area of contact, less is the pressure efforted.

Thank you...

the pressure is (200 N)/(10 cm2)×(100 cm/M)2=200,000 pa

Answer:  1231.2 km/h

Explanation: 342 x 3.6 ( because 1 m/s equal 3.6 km/h)

Answer:

finding the volume of an irregular shape

Explanation:

The answer is magnetic north pole

[tex]\boxed{\sf P=I^2R}[/tex]

[tex]\\ \sf\longmapsto I^2=\dfrac{P}{R}[/tex]

[tex]\\ \sf\longmapsto I^2=\dfrac{9.28}{210}[/tex]

[tex]\\ \sf\longmapsto I^2\approx0.04[/tex]

[tex]\\ \sf\longmapsto I\approx\sqrt{0.04}[/tex]

[tex]\\ \sf\longmapsto I\approx\sqrt{\dfrac{4}{100}}[/tex]

[tex]\\ \sf\longmapsto I\approx\dfrac{\sqrt{4}}{\sqrt{100}}[/tex]

[tex]\\ \sf\longmapsto I\approx\dfrac{2}{10}[/tex]

[tex]\\ \sf\longmapsto I\approx0.2A[/tex]

Answer:

.21

Explanation:

acellus

Answer:

Hey mate....

Explanation:

This is ur answer....

Hope it helps!

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Answer:

element name = neon

no of proton = 10

no. if neutron = 9

atomic no. = 10

atomic weight = 20.17179u

it lies in group 18 and period 2

it is nonmetal because it is a noble gas .

hope this helped you ☺️

Answer:

Newton

it is derived of mass and displacement

It would be 0.01023.

0.010229 has 5 sig. fig.'s (leading zeros do not count)

So rounding to 4 sig. fig.'s is just a matter of rounding off the last digit, which leaves you with 0.01023.

Explanation:

molecular formula consists of the chemical symbols for the constituent elements followed by numeric subscripts describing the number of atoms of each element present in the molecule. The empirical formula represents the simplest whole-integer ratio of atoms in a compound.

Answer:

The symbollic representation of a molecule of an element or a compound present in a molecule is called molecular formula.

For example: molecular formula of sodium chloride is NaCl.

Answer:

54km/hr

Explanation:

Since we have to complete m/s to km/h.

we can simply divide the m/s by (5/18)

so we get 54km/hr

Explanation:

Just adding up the horizontal and vertical components of both vectors separately.

Answer:

P(ressure) = d g h = density * gravity * height

P = 13600 * 9.8 * .25 = 33,300 Pa

Check:    1 atm = 76 cm = 760 mm height = 1.01 * 10E5 Pa

h = 1.01 * 10E5 / 9.8 * 13600 .758 m = 758 mm for 1 atm

250 / 758 = 1/3 atmosphere  = 33,700 Pa   close enough for estimates

(the pressure requested is 1/3 atmosphere where 1 atm = 760 mm Hg)

Answer: Four electrons

Explanation:

The number of electrons that can be accepted by carbon from other atoms while bonding is four. The correct option is D.

A chemical bond is what holds atoms in molecules together. Electrostatic forces between positively charged atomic nuclei and negatively charged electrons, the positions of which in space are determined by quantum mechanics, generate bonds.

Atoms form chemical bonds to strengthen their outer electron shells. The chemical bonding type maximizes the stability of the atoms that form it.

Carbon forms covalent bonds with other elements or carbon atoms. Carbon compounds are extremely diverse, with sizes ranging from one to thousands of atoms.

Because carbon has four valence electrons, it can form four covalent bonds to achieve a full outer energy level.

Thus, the correct option is D.

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Answer:

1. Flexibility.

2. Muscular Fitness

3. Cardiovascular Fitness

4. Cardiovascular Fitness

5. Flexibility

6. Muscular Fitness

7. Cardiovascular Fitness