Yes, electron follows the same path when it absorb and loses energy.
Yes, when an electron moves from a higher orbit to a lower orbit it always follow the same path as it moves from a lower orbit to a higher orbit. When electron absorb energy it has the power to move from lower orbit to higher orbit or energy level.
While on the other hand, when an electron loses that energy, it comes back to its original position from which it moves earlier when it absorb energy so we conclude that electron follows the same path when it absorb and loses energy.
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Which factor causes Earth’s seasons?
Answer:
The sun's position near earth
Explanation:
The mass of 2.50 moles of calcium fluoride (CaF2) is how many
grams.
Answer:
195.199 grams
2.
Which form of cell division produces four cells with chromosomes different from the
parent cell?
B
budding
dominant
meiosis
Dmitosis
Answer:
meiosis
Explanation:
✞What Is an Alloy?⭐⭐
If you have a density of 3 g/mL and a volume of 10 mL, what is the mass?
Answer:
30 gram
Explanation:
Hope this helps
Brainliest pls ❤️
??????????????????????????????????????
Answer:
c. saturated
d. unsaturated
e. The solute isn't in the table G, so it is impossible to know
f. saturated
g. saturated
h. supersaturated
4. About 73 g
5. About 55 °C
6. About 58 °C
A substance that flows is called a
Answer: a fluid???
Explanation: Sorry if it is wrong but i think that is right
A rectangular block weighs 121g. The dimensions of the block are 9.1cm by 5.4cm by 2.3cm. From this data, what us the density of the block in g/mL? Will tge block float or sink in water and how do you know? Show all your work on a piece of paper.
The density of the rectangular block is 1.07 g/mL.
From the question, we have the mass of the rectangular block as 121g
The dimensions of the block are given as follows;9.1cm by 5.4cm by 2.3cm
So we have the volume of the block as; 9.1cm × 5.4cm × 2.3cm = 113 cm^3
Let us recall that; 1 cm^3 = 1 mL, so 113 cm^3 = 113 mL
Having said that, we must also remember that;
Density = Mass/volume
Density = 121g/113 mL
Density = 1.07 g/mL
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Chemical contamination is more likely to
occur under which of the following
situations?
When cleaning products are not stored properly
When dishes are sanitized with a chlorine
solution
When raw poultry is stored above a ready-to-eat
food
When vegetables are prepared on a cutting
board that has not been sanitized
Chemical contamination is likely to occur when cleaning products are not stored properly.
Chemical contamination refers to the introduction of harmful chemicals into food, water or the environment. These chemical substances may come in contact with food and water in many ways.
The most common sources of chemical contamination are chemical substances that are not properly stored.
Hence, chemical contamination is likely to occur when cleaning products are not stored properly.
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Balance an equation
Answer:
no
Explanation:
s ss s s s s s s s s s s s s ss s s s s dkfkf f f f f f f f
Which letter in the diagram represents the transition from liquid to gas?
A
B
C
D
B, D in the diagram represents the transition from liquid to gas. A phase diagram is a sort of figure that is used in physical chemistry.
What is phase diagram?A phase diagram is a sort of figure that is used in physical the field of chemistry engineering, mineralogy, as well as materials science to demonstrate the conditions (pressure, temperatures, volume, etc.) that exist when thermodynamically different phases (such solid, liquid, or gaseous states) arise and coexist at equilibrium.
Lines of equilibrium, also known as phase boundaries, or circumstances under which different phases may exist at equilibrium, are typical elements of a phase diagram. Phase changes take place along equilibration lines. Despite their frequent occurrence, metastable phases are not equilibrium phases, hence they are not depicted on phase diagrams. B, D in the diagram represents the transition from liquid to gas.
Therefore, B, D in the diagram represents the transition from liquid to gas.
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Determine the number of moles of Al2O3 that contain 6.25 x 10^23 O atoms.
Answer:
1.04 molesExplanation:
To find the number of moles in a substance given it's number of entities we use the formula
[tex]n = \frac{N}{L} \\[/tex]
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question
[tex]n = \frac{6.25 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{6.25}{6.02} \\ = 1.0382059[/tex]
We have the final answer as
1.04 molesHope this helps you
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Question 9
Element Q is a theoretical nonmetal with atomic number 57. Consider the isotope: Q-110. How
many electrons are in an atom of Q-110 if the atom has a charge of -2?
Answer:
This isotope has 59 electrons giving it a charge of -2.
Explanation:
To find this we have to understand isotope relates to the mass of the nucleus. This isotope has 59 electrons to counter the protons and give it a negative charge.
In an atom, the atomic number is equal to number of electrons , hence element Q has 57 electrons on addition 2 electrons that is -2 charge the number of electrons is 59 electrons.
What is an atom?An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.
The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.
Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.
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A 300 milliliter container that is filled with 100 milliliters of oxygen and 200 mL of hydrogen has a total pressure of 750 milliliters of mercury. What is the partial pressure of the oxygen
When floating a ping-pong ball with a hairdryer, which two forces are balanced?
Answer:
The ping-pong ball will fly up with the air from the hair dryer until it reaches a point of balance – this is where the force of gravity (which pushes the ping-pong ball down) is equal to the force of the air (which is pushing the ping-pong ball up) hop it helps:)
What is the function of the load in
an electric circuit?
Why water can be unsafe in a pool?
Answer:People can drown or call or slip in
Explanation:
need boy who is at leaast 12
Answer:
helloo!!!!!!! I am 12 :)
Look at diagram 2 above. What type of eclipse is shown based on the alignment of the Earth, Sun, and Moon?
Solar eclipse
Lunar eclipse
Answer:
solar eclipse is when the sun hits earth and lunar means moon or when the sun hits the moon for an eclipse
Explanation:
https://phet.colorado.edu/sims/html/collision-lab/latest/collision-lab_all.html
Answer:
its not pulling up ? ;(
Explanation:
A 95,000g refrigerator is located on the 70th floor of a skyscraper (300 meters above the ground) What is the
potential energy of the refrigerator?
Answer:
285 kJ
Explanation:
potential energy
= m g h
= 95,000 g × 10 m/s² × 300 meters
= 95 kg × 10 m/s² × 300 meters
= 950 kgm/s² × 300 meters
= 285,000 J
= 285 kJ
Can a stable compound be made from these two atoms? Explain why or why not.
The given oxygen and lithium atoms are unable to form a stable compound.
The given atoms to form a stable compound has been oxygen and lithium.
A stable compound has been formed when the transfer of atom has been resulted in the completion of the valence shell of both the electrons.
The oxygen has 6 valence electrons and require to gain 2 electrons to form the stable compound. The Lithium has 3 electrons and has been able to lose 1 electron to form a stable compound.
Since, the formation of stable compound between oxygen and lithium requires transfer of 2 electrons, and there has been availability of 1 electron from Li. Thus, the atoms are unable to form a stable compound.
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Which of the following natural processes will NOT directly result in the formation of sedimentary rock?
A. River Flow
B. Windstorm
C. Metamorphic change
D. Glacial Motion
Answer:
Windstorm Hope it helped brainiest plz and thank you have a great day!!!
Explanation:
Which of the following natural processes will NOT directly result in the formation of sedimentary rock?
B. Windstorm
1. What process occurs along divergent plate boundary?
2. What geologic features formed when two plates moved away from each other?
3. Compare rift valley from mid-ocean ridge. Explain your answer. PIVOT 4A CALABARZON 24
1. Earthquakes and Eruptions (volcanoes)
2. Divergent plate boundary
3. Apart from a widening valley, it equally contributes to steep mountain sides spreading. A mid-oceanic ridge is naturally produced if two oceanic plates naturally start moving away from each other.
Explanation:1. When a divergent boundary occurs beneath oceanic lithosphere, the rising convection current below lifts the lithosphere, producing a mid-ocean ridge. Extensional forces stretch the lithosphere and produce a deep fissure. When the fissure opens, pressure is reduced on the super-heated mantle material below. It responds by melting, and the new magma flows into the fissure. The magma then solidifies and the process repeats itself.
2. When two plate diverge from each other also known as divergent (di-apart, vergere- to inclined) plate margin .
Two plate diverge along oceanic ridges where new lithosphere is created.
Now come to the main point: Geological Features
When two oceanic plate diverge then new sea floor is created by a process called sea floor spreading and features like Mid oceanic ridges, volcanoes & Young lava flows forms. Ex. East Pacific Rise, Mid-Adlantic Ridge.
When two continental plates diverge by continental rifting then features like Rift valley, volcanoes are found. Ex of continent continent -East Africa rift vally, Red sea.
3. The major difference between different types is what type of plate the divergent boundary is between. If the boundary is found between two continental plates you are left with a rift valley. ... If two oceanic plates begin moving away from each other it creates a mid-oceanic ridge.
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help me I beg you please
Answer:
44 98
Explanation:
Carbon Dioxide (CO2) - Has 1 carbon and 2 oxygens,
C=12 O=16,
Relative atomic mass(Ar) = 12 + (16 x 2),
Relative formula mass(Mr)= 44
Sulphuric Acid (H2SO4) - Has 2 hydrogens, 1 sulphur and 4 oxygens,
H=1 S=32 O=16,
Relative atomic mass(Ar) = (1 x 2) + 32 + (16 x 4)
Relative formula mass(Mr)= 98
We mix 88 grams of oxygen gas with 33 grams
of argon gas in a volume of 2400 mL at 62◦C.
What will be the final pressure of the gas
mixture?
The final pressure of the gas mixtures is 72.48 atm.
The given parameters;
mass of the oxygen = 88 gramsmass of the argon, = 33 gramsvolume of the gaseous mixture, V = 2400 mL = 2.4 LThe number of moles of the gases is calculated as follows;
[tex]number \ of \ moles \ of \ oxygen = \frac{88}{16} = 5.5 \ moles\\[/tex]
[tex]number \ of \ moles \ of \ argon = \frac{33}{40} = 0.825 \ moles\\[/tex]
The total number of moles of the gas mixture;
= 5.5 + 0.825
= 6.325 moles
The final pressure of the mixture is calculated as follows;
PV = nRT
[tex]P = \frac{nRT}{V} \\\\P = \frac{6.325\ mol \times (0.0821 \ L.atm/mo.K) \times (62+273)}{2.4 \ L} \\\\P = 72.48 \ atm[/tex]
Thus, the final pressure of the gas mixtures is 72.48 atm.
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A 10.35 kg block of ice has a temperature of −22.3 °C. The block absorbs 4.696 x 10^6 J of heat. What is the final temperature of the liquid water?
Answer:
: A 10.35 kg block of ice has a temperature of - 22.3 degree C. The block absorbs 4.696 times 10^6 J of heat. What is the final temperature of the liquid water?
Previous question: A 10.35 kg block of ice has a temperature of - 22.3 degree C. The block absorbs 4.696 times 10^6 J of heat. What is the final temperature of the liquid water?
Previous question: A 10.35 kg block of ice has a temperature of - 22.3 degree C. The block absorbs 4.696 times 10^6 J of heat. What is the final temperature of the liquid water?
Previous question: A 10.35 kg block of ice has a temperature of - 22.3 degree C. The block absorbs 4.696 times 10^6 J of heat. What is the final temperature of the liquid water?
Previous question
Explanation:
In the equation above an element is identified by which latter
Answer:
C
Explanation:
Option C points to Sr which is the element Strontium
How many grams are there in 7.4x10^23 atoms of AL
Answer:
24 grams of FeF3
Explanation:
help please !!! THANK YOU !
Answer:The nucleus emits particles and/or energy.
Explanation:
