c. 0.0023 moles of CO2

Explanation:

The maximum no. of electrons in a shell is given by. 2n^2 .

So for

n= 5 , 2× 5× 5 = 50

n=2 , 2×2×2 = 8

For a sub shell the maximum no. of electrons possible is given by 2(2l + 1)

So for n= l= 0

2 [(2×0) +1] = 2

for n=2 l=1

2 [(2×1) + 1] = 6

3d

d sub shell has l= 2 quantum number

Therefore 2[ (2×2) + 1] = 10

2s

s sub shell has l=0 quantum number

2 [(2×0) +1] = 2

5f

f sub energy level has l=3 quantum number

So 2[ (2×3) +1 ] = 14

The azimuthal quantum numbers for the sub shells are as follows

( s ---> 0

p----> 1

d----> 2

f ----> 3 )

Answer:

Function A: +3

Function B: +2

y intercept is greater in Function B, the value is 16

Explanation:

Answer:

The burning of fossil fuels contributes to the addition of greenhouse gases to the atmosphere. These gases trap thermal energy in the Earth's atmosphere.

Answer:

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

[tex]a = \frac{f}{m} \\ [/tex]

f is the force

m is the mass

From the question we have

[tex]a = \frac{5}{10} = \frac{1}{2} = 0.5 \\ [/tex]

We have the final answer as

Hope this helps you

Answer:

Disadvantages of acid rain:

• Acid rain affects the fresh water ponds and lakes and destroys the aquatic life as some species of fishes are rare and may be extinct

• it can affect the trees particularly those that are high altitude

• It can damage historical monuments and buildings

•soil can be affected and can lead to deaths of good microbes

Advantages of acid rain:

• it makes holes in limestone below ground, which creates caves and places to store groundwater, as well as providing habitat for some species

• But the new study shows that sulfuric in acid may have benefits, limiting global warming by counteracting the natural production of methane gases by microbes in wetland areas.

Explanation:

Answer:yes

Explanation:

cause yes

This problem is providing the mass, energy, initial temperature and specific heat of a sample of copper that is required to calculate the final temperature.

Thus, we recall the general heat equation:

[tex]Q=mC(T_f-T_i)\\[/tex]

Which has to be solved for the final temperature, [tex]T_f[/tex] as follows:

[tex]T_f=T_i+\frac{Q}{mC}[/tex]

Finally, we plug in the numbers to obtain:

[tex]T_f=85\°C+\frac{600J}{35.66g*0.38\frac{J}{g\°C} } \\\\T_f=129.3\°C[/tex]

However, this result is not given in the choices.

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When particles in a solid or liquid move faster they move slightly further

apart and is referred to as Elastic collision

Liquids and gases possess more kinetic energy than solids which is why

there is movement of its atoms in a system. Gas have the highest kinetic

energy and solids have the lowest. When the atoms move ,they collide with

one another which pushes the particles further apart.

The atoms in liquid and gas exhibit vibrational(rotational) motion which brings about movement and collision of the particles.

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Answer:

on which cloth. since the sub is chemistry. which chemical or mixture or compound

Answer:

Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.

Explanation:

what is the context of that questing ?

just by itself 3 main answers :

an island

coffee from that island

a programming language

Answer:

The theory of continental drift is most associated with the scientist Alfred Wegener. In the early 20th century, Wegener published a paper explaining his theory that the continental landmasses were “drifting” across the Earth, sometimes plowing through oceans and into each other. He called this movement continental drift.

Explanation:

Answer:

The temperature will rise as a matter of fact

Explanation:

Heat is the type of energy that travels from one point to another owing to temperature difference.

The least common multiple of the charges for each combination of elements in the table. Ignoring the plus (+) and minus (−) signs of the charges and just entering the numerals. The table is complete as follows.

                          chlorine(Cl)      oxygen(O)         nitrogen(N)

Lithium(Li)                 1                        2                     3

magnesium(Mg)        2                       1                      3

aluminium(Al)            3                       2                     1

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Answer: the first one is incorrect

Explanation:

This problem is describing the state two gases have when separated and together as shown on the attached picture. First of all, diagram 1 shows how they are separated in two containers with apparently equal volumes, whereas diagram 2 shows the removal of the barrier so that they get mixed together.

In this case, we can analyze that each gas has its own pressure and due to the removal of the barrier, both pressure and volume undergo a change. Thus, we can infer that the final volume is doubled with respected to the initial one for each gas, causing the pressure of each gas to be halved and the total pressure the half of the added ones, in agreement to the Boyle's law (inversely proportional relationship between pressure and temperature).

Therefore, the correct choice is:

C. The partial pressure of each gas in the mixture is half its initial pressure; the final total pressure is half the sum of the initial pressures of the two gases.

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Answer:

The fatty acids are mostly saturated.

Explanation:

Answer:

Prokaryotic cell

Explanation:

If you search it up you will see that the prokaryotic cell looks exactly alike with the picture you have posted.

Sodium: Na+

Iron (II): Fe2+

Iron (III): Fe3+

Titanium (IV): Ti4+

Vanadium (V): V5+

Ammonium: NH4+

I hope this helps! :)

Answer: Adenosine triphosphate, or ATP, is the primary carrier of energy in cells. The water-mediated reaction known as hydrolysis releases energy from the chemical bonds in ATP to fuel cellular processes.

Explanation:

A grounding electrode is any object that directly links to the earth. They are most times used to divert electricity from the elements.

In code 250.52(B)(3) it is clearly specified that the bonding grid and reinforcing steel that is related to a pool should not be used as grounding electrodes.

This is essential because when a metal that lies beneath a swimming pool is used as a grounding electrode, current from nearby electrical systems can be introduced into the pool.

This could cause the electrocution of anybody in the swimming pool at that time.

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Answer:

sodium atoms are much larger than chlorine atoms but in case of sodium ions they are much smaller thqn chlorine ions

Answer:

someone calling you, notifications or apps

Explanation:

Answer:39+30

Explanation:

Taking into account the reaction stoichiometry and the definition of molar mass, the quantity of HgO used is 0.01385 moles and 0.006925 moles of O₂ are formed when 3.00 grams of HgO was used.

In first place, the balanced reaction is:

2 HgO → 2 Hg + O₂

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

You know that 3.00 grams of HgO was used. Then, the quantity in moles of HgO used, can be calculated using the molar mass of HgO as follow:

[tex]3 gramsx\frac{1 mole}{216.59 grams}[/tex]=  0.01385 moles

Finally, the quantity of HgO used is 0.01385 moles.

To determine the number of moles of oxygen gas formed, the following rule of three can be applied: if by reaction stoichiometry 2 moles of HgO form 1 mole of O₂, 0.01385 moles of HgO form how many moles of O₂?

[tex]amount of moles of O_{2} =\frac{0.01385 moles of HgOx1 mole of O_{2} }{2 moles of HgO}[/tex]

amount of moles of O₂= 0.006925 moles

Then, 0.006925 moles of O₂ are formed when 3.00 grams of HgO was used.

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Answer:

Al₄O₅

Explanation:

    The key at the bottom tells us the blue spheres are oxygen atoms and the red spheres are aluminum atoms. By counting, there are 4 aluminum atoms and 5 oxygen atoms. Therefore, the formula is Al₄O₅.

Answer:

C2H4 + 3O2---> 2CO2 + 2H2O

Explanation:

The volume of the gas is directly proportional to the no. of moles of the gas at constant temperature and pressure.

So Volume of O2 : Volume of CO2 = 300: 200

= 3:2

So we can add 3 and 2 stoichiometric coefficients to O2 and CO2 respectively.

Then we can see that out of total 3×2 atoms of O, 2×2 atoms of O have been incorporated into CO2. Therefore the remaining 2 O should be in the H2O ( during complete combustion of hydrocarbon we get CO2 and H2O as products)

So we can add 2 in front of H2O..

Then calculate the total no. of C and H atoms in the products side to find the no. of C and H atoms in the hydrocarbon.

C=2

H=4

So the hydrocarbon burnt has the formula C2H4.

To solve such this we must know the concept of combustion reaction. Therefore, The balanced chemical reaction will be

C[tex]_2[/tex]H[tex]_4[/tex]+ 3O[tex]_2[/tex][tex]\rightarrow[/tex] 2CO[tex]_2[/tex] + 2H[tex]_2[/tex]O

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.

Combustion reaction is a reaction in which a substance, basically hydrocarbons burns in presence of oxygen to produce carbon dioxide and water.

At constant temperature and pressure, the number of moles of the gas directly relates to the volume of the gas.

Volume of O[tex]_2[/tex]: Volume of CO[tex]_2[/tex]

= 300: 200

= 3:2

The chemical reaction will be

C[tex]_2[/tex]H[tex]_4[/tex]+ 3O[tex]_2[/tex][tex]\rightarrow[/tex] 2CO[tex]_2[/tex] + 2H[tex]_2[/tex]O

Therefore, the chemical reaction will be

C[tex]_2[/tex]H[tex]_4[/tex]+ 3O[tex]_2[/tex][tex]\rightarrow[/tex] 2CO[tex]_2[/tex] + 2H[tex]_2[/tex]O

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