Help this is due today!!!

Answer:

The neutrons tell us if it is an isotope or not, they also hold the atom together.

Explanation:

Answer:

The last layer in the layered design is system layer so none of the above is the correct option.

Robotic Process Automation is a software technology that make use of some programs of computer to copy or mimic the behaviors of human when it has access with them. They been use effectively and ensure the work is perfectly done.

There are layers in the Robotic process automation but the last layer is System layer.

They can handle high volume of tasks.

The lowermost layer is associated with individual screen interactions. The lowermost layer in the layered design of Robotic process automation is the component layer or system layer . The Robotic Process Automation and this form technology is in robots creation.

Therefore, The last layer in layered design Is System layer so none of the above is the correct option.

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It requires one electron to complete its octet

The Lewis dot model of an atom has seven dots. The statement true about atom is,

So, option C is correct one.

The electron/electrons present in valence shell is called valence electrons. Each atoms require eight electrons to complete their octet or valence shell.

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Answer:

a difference in attitude

Explanation:

It's just not science. ... The big difference Popper identifies between science and pseudo-science is a difference in attitude. While a pseudo-science is set up to look for evidence that supports its claims, Popper says, a science is set up to challenge its claims and look for evidence that might prove it false.

Answer:

Percent yield is the maximum amount of product that can be formed in a reaction. Matter cannot be created or destroyed according to the law of conservation of mass, so you cant have over 100%.

Explanation:

Answer:  create more healthy products for the soil and animals

Explanation:

Answer: B. The actual mechanical advantage of the ramp.

Explanation:

The professor saying that the ramp SHOULD have a mechanical advantage of 3 indicates that that would be the ideal mechanical advantage. Since Rubia calculated it to be 2.8, that means that it is the acutal mechanical advantage. The actual advantage will be reduced from the ieal due to things like friction.

No, input energy is not equal to useful output energy, if it is an electric toothbrush.

Electrical Energy is the useful type of energy produced in an electric toothbrush.

If input energy is equal to useful output energy. This means that the total amount of energy that is in an isolated system (such as an engine or a generator) remains constant (conserved) over time.

However, the total amount of useful energy output of an isolated system is never equal to the total energy input.

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Answer:

There are approximately 5.55 moles

Explanation:

Answer:

- Fluorine has 5 Electrons in its 2P shell

- Fluorine is so close to ideal Electron Configuration, the Electrons are held very tightly to the Nucleus.

Explanation:

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The double bonds in CO2 are counted as single regions of electron density.

The valence shell electron pair repulsion theory VSEPR  is a description of the shape of molecules based on the number of electron pairs that surround the central atom in the molecule. Double bonds are counted as a single region of electron density.

Hence, the two double bonds in CO2 are counted as two regions of electron density around the central carbon atom. Hence, the molecule is liner at a bond angle of 180 degrees.

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Answer:

See below

Explanation:

This is a simple reaction.

Calcium and chlorine molecule are combined to get calcium chloride.

Ca + Cl₂ → CaCl₂

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

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When a gas is heated in a sealed container, the gas particles move faster and hit the sides of the container with more force leading to an increase in the pressure of the gas.

An increase in the temperature of a gas increases the collision rate of the molecules of the gas according to the kinetic theory.

With increased kinetic energy, the molecules of the gases collide more frequently with each other and the walls of the container.

The collision creates an increase in the magnitude of pressure inside the container.

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Answer:

C

Explanation:

When a gas is heated in a sealed container, the gas particles move faster and hit the sides of the container with more force leading to an increase in the pressure of the gas.

Answer:

The Beer–Lambert law, also known as Beer's law, the Lambert–Beer law, or the Beer–Lambert–Bouguer law relates the attenuation of light to the properties of the material through which the light is travelling.

Explanation:

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Answer:

A

Explanation:

2 atoms of aluminum, 3 atoms of sulfur

Aluminum = Al

Sulfer = S

i just took the test

The formula for 2 atoms of Al and 3 atoms of S is Al₂S₃  and is named  Aluminium Sulphide.

Al has atomic no. =13, S has atomic no.=16

So the valencies of the given elements are

Al⁺³ and S⁻² to attain the noble gas configuration.

Al⁺³↘ ↙S⁻³

                  Al₂S₃

Cross multiply the valancies for the formation of molecular formula.

Hence, the formula is Al₂S₃.

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Answer:

c / a

correct me if im wrong

Answer:

D) 4 protons, 4 electrons, 5 neutrons

Answer:

because of the location of the 6 the answer is 6 cent

Answer:

Hundredths

Explanation:

$6 times 1/$100. The 0 is tenths, the 6 is hundredths and the 1 is thousandths.

Answer:

Explanation:

3× 22+2×32+ 6×16=

66+64+96=236

Answer:

When baking soda is mixed with vinegar, something new is formed. The mixture quickly foams up with carbon dioxide gas. If enough vinegar is used, all of the baking soda can be made to react and disappear into the vinegar solution.

Explanation:

Answer:

6.6242 x 10 ^ 24

Explanation:

This is the correct answer because you know there is 11 oxygen moles in 1 mole of sugar so using dimensional analysis you can solve it. You start will 11 moles of oxygen, and multiply by Avogadro's number(6.022 x 10 ^23) to get the amount of atoms. I don't see it as an answer, but I am confident in this, so I would ask your teacher specifically.

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the number of Valence electrons remains the same

Answer: is a measurement of how often a recurring event such as a wave occurs in a measured amount of time

Explanation:

Answer:

1500mm oqkwndbdjdhdndjdd

kinetic energy kkkkkkkkkk

Hello! :p .

deserts are known to have little to no rain fall & drop to very low temperatures at night! I hope this helps!

Answer: little or no rainfall

Explanation: Precipitation, sunlight, and temperature are all abiotic factors.

Deserts have a lack of rainfall.

Some deserts are hot, some deserts can be cold too.

Abiotic factors are  extreme temperatures of the day and night  the fast winds  the strong amount of sunlight  scarcity of water

Answer:

4.58g

Explanation:

1.) What is the molar mass of CaCI2?

= 110.98 g/mol

2.) Find the mols

[tex]conc = \frac{mol}{volume(l)} [/tex]

conc × volume= mol

0.125 M x 0.33 L = 0.04125mol ( 330mL was converted to "L" by dividing 330 by 1000)

3.) The mass(g)

g= mol x atomic weight

g= 110.98g/mol × 0.04125

= 4.58 g

# NOTE M = mol/L

From the information provided in the question, the mass of gold that can be obtained from this sample is 31.5 g of Au.

Given that the reduction of gold III occurs thus;

Au^3+(aq) + 3e ------> Au(s)

Number of moles of gold(III) chloride dihydrate = mass/molar mass = 54.9 g /339.35 g/mol = 0.16 moles

Number of moles of Au^3+ in  AuCl3.2H20 =  0.16 moles

Now;

1 mole of Au has a mass of 197 g/mol

0.16 moles of Au has a mass of 0.16 moles ×  197 g/mol/1 mole

= 31.5 g of Au.

The mass of gold that can be obtained from this sample is 31.5 g of Au.

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The material that absorbs the heat of the system is water owing to its high specific heat capacity.

The specific heat capacity of a substance refers to the amount of heat that is capable of increasing the temperature of 1 Kg of a body by 1 K. The higher the specific heat capacity, the more the amount of heat that the body can absorb without temperature change.

The material that absorbs the heat of the system is water because water has a higher specific heat capacity than all the other materials present.

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The material which is part of the system that absorbed heat is; The water.

Discussion:

According to the question;

In essence, the heat liberated from the system must have been absorbed by the water so that the outside of the container after mixing becomes cold.

This is so because water has a high specific heat capacity.

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