Energy conversion takes place during the far Gravitational Potential Energy to Kinetic Energy.
What is kinetic Energy?Kinetic energy = total energy - potential energy.
The total energy of a system is the addition of kinetic and potential energy of the system. Kinetic energy can be regarded as a form of energy posses by an object when it's in motion.
Total energy = kinetic energy + potential energy.
Hence, in this question when the statue breaks off and falls to the sidewalk below gravitational potential energy is converted to kinetic Energy.
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Answer:
Gravitational potential energy to kinetic energy
Explanation:
Why is the number of electrons or charge of each ion useful information when predicting the products in replacement reactions?
"The number of electrons / charge of each ion tells about the property of the rection either it is single replacement reaction or double replacement reaction."
What is replacement reaction?
Replacement reactions are extremely significant chemistry phenomena. They are employed in a variety of fields. For example, it can employ electroplating, that is reliant on replacement reaction, to keep iron objects from rusting.
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What product is formed when benzene is treated with the following organic halide in the presence of alcl3? click the draw structure button to launch the drawing utility.
Cumene is the end result of the reaction between benzene and 2-chloropropane when aluminum chloride is present.
Alkylation serves as an example of replacing the "alkyl group on the aromatic ring." In the alkylation reaction, the term "alkyl halides" is important. The "Lewis acid" suggested an alkylation catalyst.
Cumene is produced when the benzene molecule interacts with 2-chloropropane in the presence of aluminum chloride. By losing chlorine, the 2-chloropropane combines with aluminum chloride to produce a carbocation. Cumene is produced by further attacking benzene and protonating it.
Below is an attachment showing the cumene generation reaction.
Cumene is the end result of the reaction between benzene and 2-chloropropane when aluminum chloride is present.
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What is the pressure of 1.50 moles of a gas in a 30.0L tank at a temperature of
285K?
The pressure of the gas : 1.1685 atm
Further explanationIn general, the gas equation can be written
[tex]\large {\boxed {\bold {PV = nRT}}}[/tex]
where
P = pressure, atm
V = volume, liter
n = number of moles
R = gas constant = 0.08206 L.atm / mol K
T = temperature, Kelvin
n=moles=1.5
V=volumes = 30 L
T=temperature=285 K
The pressure :
[tex]\tt P=\dfrac{nRT}{V}\\\\n=\dfrac{1.5\times 0.082\times 285}{30}\\\\P=1.1685~atm[/tex]
Which elements from the periodic table are the least reactive?
A noble gases
B transition metals
C lanthanides
Dmetalloids
Answer:
Noble games are the least reactive because their outer shells are already full with 8 electrons.
When 3.5 moles of sodium oxide react, how many moles of sodium hydroxide will be produced?
moles NaOH *Report your answer to the
correct number of significant digits!
Na2O + H2O -> 2 NaOH
Answer:
7 moles of NaOH will produced.
Explanation:
Given data:
Number of moles of sodium oxide = 3.5 mol
Number of moles of sodium hydroxide produced = ?
Solution:
Chemical equation:
Na₂O + H₂O → 2NaOH
Now we will compare the moles of sodium oxide with sodium hydroxide.
Na₂O : NaOH
1 : 2
3.5 : 2/1×3.5 = 7
7 moles of NaOH will produced.
Which substance in the table below will heat up the fastest? water helium diamond or glass
Answer:
Helium will heat up the fastest
Explanation:
13. For a gas to become a liquid, large numbers of particles must clump
together. Particles clump together when the attraction between them
overcomes their
Answer: For a gas to become a liquid, large numbers of particles must clump together. Particles will clump together when the attraction between them overcomes their motion. For this to happen, energy must be removed from the gas to slow the particles down. So, condensation is an exothermic change.
Which of the following are examples of being open to learning new things?
i. listening to different points of view
ii. listening to an argument, even if you disagree
iii. watching the local news to stay up-to-date
A.
i only
B.
ii only
C.
i and ii only
D.
i, ii, and iii
Please select the best answer from the choices provided
A
B
C
D
Mark this and return
Answer:
C
Explanation:
I would say different points of view and listening to an argument. The local news just to "stay up to date" won't teach you much.
Answer:
b
Explanation:
all of them shows different point of veiws. none of them are biest
As the effective
nuclear charge is increased with the same amount of electron shielding,
A The valence electrons have a more negative potential energy, decreasing the amount of energy
required to remove them
B The valence electrons have a less negative potential energy, decreasing the amount of energy
required to remove them
c The valence electrons have a more negative potential energy, increasing the amount of energy
required to remove them
D The valence electrons have a less negative potential energy, increasing the amount of energy
required to remove them
Why do the electron clouds around a central atom stay as far apart as possible?
Electron pairs around a central atom arrange themselves so that they can be as far apart as possible from each other. The repulsion between negatively charged electrons pairs in bonds or as lone pairs causes them to spread apart as much as possible
Explanation:
How many moles of water would you have if you had 3x10^24 molecules of
water? (round to the nearest whole number) *
Your answer
In which phase is the moon when in the position shown in the diagram?
A) First-Quarter Moon
B) Full Moon
C) Last-Quarter Moon
D) New Moon
describe the motion of the particals in liquid bromine and bromine gas
The motion of particle of bromine in liquid is less as compared to the gaseous phase.
What is Entropy?Entropy is defined as the motion of particle how randomly a particle move.
Entropy is also defined as the no. of particle per unit surface area.
In liquid phase, the number of particle per unit surface area is greater. The particle are closer with each other through the intermolecular force of attraction. Due to which randomness of particle decreases. Hence motion of particles decreases.
In gaseous phase, the number of particle per unit surface area is lesser. The particle are less closer with each other and have less intermolecular force of attraction. Due to which randomness of particle increases. Hence, motion of particles increases.
Thus, we concluded that the motion of particle of bromine in liquid is less as compared to the gaseous phase.
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Except for the noble gases, nonmetals tend to have high electron affinities. What properties of nonmetals do you think are the result of this tendency?
Answer:
Nonmetals are further to the right on the periodic table, and have high ionization energies and high electron affinities, so they gain electrons relatively easily, and lose them with difficulty.
Explanation:
They also have a larger number of valence electrons, and are already close to having a complete octet of eight electrons.
Periodic table is divided as metals, non metals, noble gases and semiconductors. Among these nonmetals tend to have high electron affinities because of small size and high effective nuclear charge.
What are non metals?Non metals are the element that have property to gain electron. When any element gain electron then element attain negative charge and that element is called anion.
As we go from left to right in periodic table, the size of element decreases as number of electrons keep on adding electrons in the same shell . As the number of electrons increases, the number of proton in the nucleus also increases. Due to this, the hold of nucleus on the outermost proton increases and the size decreases. Due to this, the ionization energy increases and hence the power to gain electron increases.
Therefore, nonmetals tend to have high electron affinities because of small size and high effective nuclear charge.
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The metallic character of an element is determined by how readily it loses electrons. Elements that lose electrons most easily have the greatest metallic character. Which group has the greatest metallic character?
Answer:
Group 1 metals or the alkali metals
Explanation:
The group 1 elements are all metals except for hydrogen, the first element in the group. Group 1 metals have one valence electron in their outermost shell. The metallic character increases as one goes down the group.
The metallic character of an element is determined by how readily it loses electrons. Elements that lose electrons most easily have the greatest metallic character. Group 1 metals have the greatest metallic character due to the ease with which they donate or lose their one valence electron. As the atomic radius increases on going down the group, their metallic character increases. Also, due to screening effect of the inner electrons on the valence electron from the positive nuclear charge of the nucleus, metallic property increases on going down the group.
A gas starts at a volume of 23 L and a pressure of 1.23 atm. What is the new pressure if you
change the volume to 15 L?
Answer:
1.89 atmExplanation:
The new volume can be found by using the formula for Boyle's law which is
[tex]P_1V_1 = P_2V_2[/tex]
Since we are finding the new volume
[tex]V_2 = \frac{P_1V_1}{P_2} \\[/tex]
From the question we have
[tex]V_2 = \frac{1.23 \times 23}{15} = \frac{28.29}{15} \\ = 1.886[/tex]
We have the final answer as
1.89 atmHope this helps you
WORTH 20 POINTS PLZZZ HELP WILL GIVE BRANLIEST PLZZZ
A toaster transforms P energy into Q energy.
What do P and Q most likely represent?
P represents electrical energy, Q represents thermal energy
P represents thermal energy, Q represents electrical energy
P represents chemical energy, Q represents radiant energy
P represents radiant energy, Q represents chemical energy
Answer: P represents electrical energy, Q represents thermal energy.
Explanation: The toaster takes electrical energy from the electrical socket through wires and converts that into thermal energy that heats up/toasts the bread.
Answer:
P represents electrical energy, Q represents thermal energy
Explanation:
I am sorry if I get this wrong, but when I put it in the sentence - A toaster transforms electrical energy into thermal energy - it made sense to me, so I think that is the answer. I am sorry if this does not help.
Electromagnetic energy that travels in transverse waves which produces visible light is
radiant
nuclear
sound
thermal
Solid strontium chromate, SrCrO4, dissolves into its respective ions at 25°C. Suppose that in a particular solution,
[Sr2+] = 6.0x10-3 M.
Find the value of Ksp.
A. 3.6 x 10-5
B. 6.0x10-3
C. 3.6 x 10-2
D. 7.7x10-2
Answer:
I think it's d but I'm not positive
Answer:
A
Explanation:
Which element does not like to bond with other atoms?
1 - sodium
2 - chlorine
3 - carbon
4 - xenon
Answer:
Xenon
Explanation:
The reason is because, Xenon is a part of a Group on the periodic table called Noble Gases. This means that it has 8 electrons on its outer shell, making it very hard to get a reaction out of it.
Is Aushtin dating Summer please help
Answer:
uhm yes he made her pump go off
Explanation:
what is a covalent bond?
Answer:
A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
Explanation:
hope it helps, please mark as brainliest
Given the reaction: 4Al + 302 --> 2AI2O3
How many moles of Aluminum oxide do you have if you have 6 moles of AI?
A
6: moles
B: 2 moles
C: 3 moles
D: 12 moles
Answer:
B: 2 moles
Explanation:
that my answer I got i think its correct
How many phosphorus atoms are there in 1.75 mol of calcium phosphate,
Ca3(PO4)2
Answer:
It has 2 phosphorus atoms in 1 mol
so for 1.75 mol =2×1.75
Explanation:
need thanks and make me brainiest if it helps you
There will be two atoms of phosphorus in the 1.75 mol of calcium phosphate.
What are atoms?
Atoms are the smallest unit of matter. In a chemical reaction, the number of atoms shows the quantity of an element in the compound or reaction. Phosphorus is a chemical element that is preset in the periodic table.
In calcium phosphate, Ca3(PO4)2, the number of atoms can be calculated by counting the number of moles that is given in the equation.
The number of atoms of calcium is 3, and the number of phosphorus atoms is 2.
Now given the 1.75 mol of calcium phosphate, so the number of atoms of phosphorus will be the same in any number of moles of calcium phosphate. So there will be 2 atoms of phosphorus in the given equation.
Thus, the number of atoms is two.
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(HURRY 4. Which state of matter has a definite volume, but not a definite shape?
Liquid
solid
vapor
gas
Answer:
liquid
Explanation:
liquids can change shape based on what container they are in but they have a definite volume
Answer:
Liquid
Explanation:
A solution is classified as a weak base. Which of these could be the pH of the solution?
A)2
B)6
C)10
D)13
C
Pure water is at 7, and the bases are above 7 and the acids are below 7.
The pH of the solution that is classified as a weak base is 10. Details about weak bases can be found below.
What is pH?pH of a solution refers to the degree of acidity or alkalinity of that solution.
The pH scale reads from 1 - 14 where the following applies:
1 - 6 represents acidic solution7 represents neutral8 - 14 represents alkaline solutionA weak base will have a pH close to neutral, therefore, the pH of the solution that is classified as a weak base is 10.
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write word equation of carbon + oxygen ---> carbon dioxide
Answer:
Carbon + Oxygen = Carbon Dioxide
Explanation:
You already did
pls i need #2 !!!!!!!!!!
Answer:
answer c aka it is cheaper than other elements
Answer:
because it's cheap and not hard to purify
is the scientific method is the end result of the scientific process?
Answer:
The right response will be "No".
Explanation:
Again after findings being collected, this same scientific method does not stop. The phase of the experience seems to be the compilation, examination, interpretation as well as the integration of information. The reasoning underneath research methodology has been the methodology which includes making the significance of the findings developers measured.do ionic, covalent and metallic bonds form molecular or ionic compounds? HELP PLEASE I WILL MARK BRAINLIEST
Answer:
Ionic compounds contains ionic bond
Like NaCl
Molecular compounds contains covalent bond like H2O
And metals contains metalic bond like in copper
Explanation: