Potential energy is based on an objects

A)gravity
B)mass
C)position
D)kinetic

Hydrogen bonds are the intermolecular forces responsible for the production of water dimers.

Between molecules, intermolecular forces are at work. In contrast, molecules themselves exert intramolecular pressures. In comparison to intramolecular forces, intermolecular forces are weaker. The London dispersion forces, dipole-dipole interactions, ion-dipole interaction, & van der Waals forces are a few examples of intermolecular forces.

The equilibrium between the intermolecular interactions and a kinetic energy of a specific particles (atoms or molecules) determines the state of a material. The kinetic energy, which is dependent on the substance's temperature, maintains the molecules separated and in motion.

To know more about intermolecular force visit :

https://brainly.com/question/13479228

#SPJ4

Answer:

A. The atomic radius increases (in a group) with the increasing atomic number. This is because atomic size generally increases from top to bottom within a group because the greater the number of protons means the greater amount of electrons. The amount of electrons in orbitals determine an atom's size/radius.

B. Since Group 1A (Alkali Metals) are metals, they tend to form cations. Cations are always smaller than their original atom because the greater positive charge from the nucleus closes in the space between it and the electrons, thus "shrinking" its size. This is why the ionic radii are smaller than the atomic radii of the same element.

I hoped this helped <3

Explanation:

Answer: A The Triangle Fire was a tragedy that could have been prevented.

Explanation:

The Triangle Fire was a tragedy that happened in the factory of Shirtwaist Company in New York City where there was.a.fore outbreak and about 145 employees of the company were killed.

The deaths could have been prevented because the company neglected safety measures such as having a good and reliable pump system, having readily available fire extinguishers. Also, what resulted in the lethal nature of the incident was because the doors within the building of the factory were locked.

The tragedy generated lots of attention and series of laws were been out in place in order to ensure that workers are safe at their workplace.

The mailing cylinder for posters, with dimensions of 12 inches in length and 8 inches in diameter, can hold an approximate volume. By using the formula for the volume of a cylinder and substituting the given values, the volume can be calculated.

The volume of a cylinder can be calculated using the formula V = πr²h, where V represents the volume, π is approximately 3.14, r is the radius, and h is the height or length of the cylinder. In this case, the diameter is given as 8 inches, so the radius (r) can be calculated by dividing the diameter by 2, resulting in r = 8/2 = 4 inches. The height or length (h) is given as 12 inches. Substituting these values into the volume formula, we have V = 3.14 × (4 inches)² × 12 inches. Simplifying the equation further, we get V = 3.14 × 16 square inches × 12 inches, which evaluates to approximately 602.88 cubic inches.

To learn more about volume of a cylinder, click here:

brainly.com/question/27033747

#SPJ11

Answer:

continuously changing

Explanation:

The velocity of a person on a merry-go-round can best be described as continuously changing. This is because the initial velocity before the ride starts would be 0. Once the ride begins, it keeps going faster and faster until it reaches a certain speed. During this time the velocity is increasing. Then it remains constant for a certain period of time and when the ride is over the velocity and speed begins to decrease until ultimately reaching a speed of 0. Therefore, it is continuously changing throughout the duration of the ride.

A star evolves off the main sequence when helium is exhausted in the stellar core.Our solar system’s gas giant planets (and those of other solar systems) did not become stars because they are not massive enough to generate the high temperatures and pressures necessary to start hydrogen fusion in the core.

Stars evolve off the main sequence when the nuclear fusion in their cores is no longer capable of supplying sufficient energy to maintain the gravitational energy, causing it to contract and the outer layers to expand and cool. When hydrogen runs out in the core of a star, the core shrinks and heats up and the outer layers expand, resulting in a red giant. However, when helium is consumed in the core, the core collapses and heats up, causing the outer envelope to get expelled, and the core evolves into a white dwarf.

A gas giant planet's temperature and pressure aren't high enough to generate fusion. They aren't dense enough to generate the heat required for nuclear fusion. Therefore, gas giant planets do not generate their own light and heat in the same way as stars. They can emit more energy than they obtain from the sun if they have a significant atmosphere. The planets in the solar system, such as Jupiter and Saturn, are examples of gas giants.

learn more about gravitational energy

https://brainly.com/question/15896499

#SPJ11

To determine the amount of heat absorbed when ice is heated from point A to B, we should use the following equation: q = mcΔT.

In  q = mcΔT,  q is heat absorbed, m is mass of the ice, c is specific heat capacity, ΔT is the temperature change. When heat absorbed gives positive sign and heat when emitted gives negative sign.

This equation takes into account the mass (m) of the ice, the specific heat capacity (c) of the ice, and the change in temperature (ΔT) from point A to B.

Learn more about ice : https://brainly.com/question/23557049

#SPJ11

Answer:

2.4%

Explanation:

Answer:

Yes, that is correct!

Explanation:

Answer:

Yes

Explanation:

A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms. These electrons are simultaneously attracted by the two atomic nuclei. A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions.

The phenomenon observed in the nitration of phenylacetonitrile, in which ortho, meta, and para isomers were produced in yields of 24%, 20%, and 56%, respectively, is due to the fact that the nitration occurs via electrophilic substitution reactions.

Nitration is an electrophilic substitution reaction in which the nitro group (-NO2) replaces one or more hydrogen atoms in an organic molecule, such as phenylacetonitrile.

The reaction occurs via the following mechanism:

Step 1: The NO₂+ electrophile is generated via protonation of nitric acid (HNO₃) by sulfuric acid (H₂SO4):

HNO₃ + H₂SO4 ⟶ NO₂+ + HSO₄- + H₂O

Step 2: The NO2+ electrophile attacks the electron-rich aromatic ring of phenylacetonitrile to form a resonance-stabilized carbocation intermediate:

Step 3: The carbocation intermediate is stabilized by resonance with the adjacent electron-donating substituent (-CN), which results in the formation of the ortho and para isomers:

Step 4: Alternatively, the carbocation intermediate can rearrange to form the meta isomer via migration of the carbocation from the initial site of attack to a neighboring carbon atom:

The reason for the unequal distribution of ortho, meta, and para isomers is due to the difference in stability of the carbocation intermediates involved.

The para isomer is the most stable of the three because it has two electron-donating substituents in the ortho and meta positions, which increase the electron density of the aromatic ring and thus stabilize the positive charge on the carbocation intermediate.

This is followed by the ortho isomer, which has one electron-donating substituent in the para position, and the least stable is the meta isomer, which has no electron-donating substituents in the ortho or para positions.

To know more about  carbocation, visit:

https://brainly.com/question/31538109

#SPJ11

If there is no oxygen, the citric acid cycle cannot function because the electron transport chain, which relies on oxygen as the final electron acceptor, would be unable to proceed.

Oxygen's role in the electron transport chain is crucial for maintaining the necessary electrochemical gradient that drives ATP production through oxidative phosphorylation.  Without oxygen, the electron transport chain would halt, and NADH and FADH2 would not be regenerated back to their oxidized forms, NAD+ and FAD. Since the citric acid cycle (also known as the Krebs cycle or TCA cycle) depends on the availability of NAD+ and FAD to accept electrons from various intermediate compounds, the cycle would be unable to continue. The production of ATP through substrate-level phosphorylation in the citric acid cycle would also be affected.

In the absence of oxygen, cells may resort to alternative metabolic pathways such as fermentation to produce ATP. However, these processes are less efficient and generate significantly less ATP compared to the combination of the citric acid cycle and oxidative phosphorylation. This is why organisms that rely primarily on aerobic respiration, including humans, would face severe energy deficiencies if oxygen becomes unavailable. If there is no oxygen, the citric acid cycle cannot function because the electron transport chain, which relies on oxygen as the final electron acceptor, would be unable to proceed.

Learn more about electron transport chain here:

https://brainly.com/question/6969404

#SPJ11

Answer:

1+2=5

Explanation:

1+2=5

Answer:

Lithosphere plate boundaries are found in that area.

Explanation:

Answer:

C is the right answer

Explanation:

The mass in grams of potassium chloride that can be dissolved in water at 80 °C to create a saturated solution is 52 g; option D.

The mass in grams of potassium chloride that can be dissolved in water at 80 °C to create a saturated solution depends on the solubility of potassium chloride at 80 °C.

According to the solubility data, at 80 degrees Celsius, the solubility of potassium chloride (KCl) in water is approximately 56 grams per 100 grams of water.

Therefore, 52 grams of potassium chloride can be dissolved into water at 80 degrees Celsius to create a saturated solution.

Learn more about saturated solutions at: https://brainly.com/question/2029122

#SPJ1

Answer:

The Moon has a diameter of 2,159 miles (3,476 kilometers) and is about one-quarter the size of Earth. The Moon weighs about 80 times less than Earth.

Explanation:

Answer:

a

Explanation:

Coal is fossilized animal and plant remains

Answer:

313.2 g of \({K_{2} }S O_{4}\)  must be added to 1.20 liters of water to produce a 1.50 molar solution.

Explanation:

What is molarity?

According to the given question,

Solution :

∴ Number of moles of solute, here, \({K_{2} }S O_{4}\)

= molarity x volume of the solution

= 1.20 x  1.50 = 1.8

∴ Mass of 1.8 moles of \({K_{2} }S O_{4}\) = 1.8 x molar mass of   \({K_{2} }S O_{4}\)  

Now the molar mass of \(K_{2} SO_{4}\)

= (Gram atomic mass of K x 2) + (Gram atomic mass of S) + (Gram atomic mass of O x 4)

= (39x2) + 32 + (16 x 4) g

= 174 g.

∴ Mass of 1.5 moles of \({K_{2} }S O_{4}\)

= 1.8 x molar mass of   \({K_{2} }S O_{4}\)  

= 1.8 x 174 g

= 313.2 g.

Thus, 313.2 g of \({K_{2} }S O_{4}\)  must be added to 1.20 liters of water to produce a 1.50 M solution.

To know more about molarity, visit :

https://brainly.com/question/15406534

Answer:

c) Electrons are unequally shared

The reactant necessary for a combustion reaction is oxygen.

(option D).

Combustion is a chemical reaction that occurs when a substance reacts with oxygen, producing heat and light. In order for combustion to take place, three elements are needed: fuel, heat, and oxygen.
Fuel is the substance that undergoes combustion, such as gasoline, wood, or methane. Heat is the energy required to initiate and sustain the reaction. Lastly, oxygen is the reactant that combines with the fuel, allowing it to burn and release energy.
When a combustion reaction occurs, the fuel and oxygen combine to form carbon dioxide (option C) and water (option A). This process is exothermic, meaning it releases energy in the form of heat and light.
For example, when wood is burned in the presence of oxygen, it undergoes combustion. The heat from a match or a spark provides the necessary activation energy to start the reaction. Oxygen from the air combines with the carbon in the wood, producing carbon dioxide and releasing energy in the form of heat and light.
In summary, oxygen is the reactant necessary for a combustion reaction. It combines with the fuel and releases energy in the form of heat and light.

(option D).

For more such questions on combustion reaction

https://brainly.com/question/13251946

#SPJ8

The specific heat of the metal, given the data from the question is 0.60 J/gºC

Data obtained from the question

The following data were obtained from the question:

   Mass of metal (M) = 74 g

   Temperature of metal (T) = 94 °C

   Mass of water (Mᵥᵥ) = 120 g

   Temperature of water (Tᵥᵥ) = 26.5 °C

   Equilibrium temperature (Tₑ) = 32 °C

   Specific heat capacity of the water (Cᵥᵥ) = 4.184 J/gºC

How to determine the specific heat capacity of the metal

The specific heat capacity of the sample of gold can be obtained as follow:

According to the law of conservation of energy, we have:

Heat loss = Heat gain

MC(T –Tₑ) = MᵥᵥC(Tₑ – Tᵥᵥ)

74 × C(94 – 32) = 120 × 4.184 (32 – 26.5)

C × 4588 = 2761.44

Divide both side by 4588

C = 2761.44 / 4588

C = 0.60 J/gºC

Thus, the specific heat capacity of the metal is 0.60 J/gºC

To know more about temperature visit:

https://brainly.com/question/11464844

#SPJ4

Responder:

2H2 + O2 → 2H2O

CaO + H2O → Ca (OH) 2

Fe + S → FeS

H2SO3 → SO2 + H2O

CaCO3 → CaO + CO2

Explicación:

2H2 + O2 → 2H2O

2 moléculas de hidrógeno gaseoso reaccionan con oxigente para producir 2 moléculas de agua

CaO + H2O → Ca (OH) 2

El óxido de calcio reacciona con el agua para producir hidróxido de calcio.

Fe + S → FeS

El hierro reacciona con el azufre para producir sulfuro de hierro.

H2SO3 → SO2 + H2O

Por descomposición, el ácido sulfuroso se descompone para producir dióxido de azufre y agua.

CaCO3 → CaO + CO2

El carbonato de calcio se descompone para producir óxido de calcio y dióxido de carbono.

Answer:

In natural selection, organisms adapt to the environment to best suit nature's needs to survive. In selective breeding, it's as if nature were humans and the humans can choose which organisms can survive and die. They do it so they can develop organisms with desirable characteristics.

Answer:

Geothermal energy

Explanation:

Hope that helps !!!

Answer:

The most electronegative atom, fluorine, is assigned a value of 4.0, and values range down to cesium and francium which are the least electronegative at 0.7. First Ionization Energy of Iodine First Ionization Energy of Iodine is 10.4513 eV.

Explanation:

Answer: the answer is A

Explanation:

Answer:

The poster should include:

 TITLE: Creative name of superhero.

 DESCRIPTION OF ELEMENT SUPERHERO (2 PARAGRAPHS):

This section should include a brief description of how your superhero acquired, used, or lived

with their element power. You may want to describe where does your superhero element lives

(where in nature can it be found). What are his/her superpowers? Does your superhero

element have a hideout? What are his/her strengths? What is his/her weakness? Who is

his/her arch nemesis (evil super villain)? What kind of super suit does your superhero have?

 5 FACTS:

This section should include at least 5 fun facts about your element. You can choose to

describe facts that illustrate where your element is found in nature. You may also wish to

describe what is your element used for. You may address what are characteristics of your

element or what are important uses of your element. For example, can your element be made

into something useful or can your element combine with other elements to make something

totally different.)

 ATOMIC DRAWING

Include the atomic structure of your element with correct labeling of its protons neutrons,

electrons. Make sure your drawing has the correct number of protons, neutrons, electrons.

 DRAWING OF YOUR ELEMENT SUPERHERO

This section should include a drawing (in color) of your Element Superhero on a clean sheet of

WHITE paper. You may want to draw your Element Superhero fighting his nemesis (super

villain). Or you may want to draw your Element Superhero using his special powers.Explanation:

Answer:

The presence of a brightly colored, detachable tail can be advantageous for some lizards because it serves as a distraction or decoy for predators. When a predator attacks, the lizard can quickly detach its tail, which wriggles and continues to move for a short period of time. This sudden movement can divert the predator's attention away from the lizard's body, allowing the lizard to escape.

The bright coloration of the tail can also help to draw the predator's attention towards it, instead of the lizard's body. Bright colors are often used in the animal kingdom as warning signals, indicating that an animal is toxic or dangerous. While the lizard may not necessarily be toxic or dangerous, the bright colors of its tail can create a similar effect, deterring predators from attacking in the first place.

Additionally, the detachable tail can serve as a form of self-defense, allowing the lizard to escape from a predator's grasp. By detaching its tail, the lizard can leave the predator with a distraction while it makes its escape. Over time, the lizard can regrow its tail, allowing it to continue to use this defense mechanism in the future.

Answer:

B) They will react because X and Y can share two pairs of electrons to become stable

Explanation:

The electron configurations of two elements x and y are given :

X: 1s2 2s2 2p6

Y: 1s2 2s2 2p6 3s2 3p6

The statement that is true for both the elements is that, they both will react as they both can share two pairs of electrons to become stable.

To become stable the outermost shell or p orbital should have 8 electrons, so element X  can gain 2 atoms to become stable.

Element Y can also react as it can also share two atoms to fulfill its 3p orbital and will stable.

Hence, the correct option is "B".

If two independent estimates of σ2 (variance) are close together, it suggests that the variability of sample means can be attributed to the true underlying population variance.

When conducting statistical analysis, researchers often estimate the population variance, σ2, using different samples. If the resulting estimates are relatively similar, it indicates that the observed variability in the is likely due to the true variability in the population. This implies that the samples are representative and that the estimated variance accurately captures the true variance. Conversely, if the estimates differ significantly, it suggests that other factors may be influencing the variability of the sample means, such as sampling bias or random fluctuations.

For more information visit: brainly.com/question/31432390

#SPJ11

Answer:

A. Carbon

B. I, III

Explanation:

Carbon has four valence eletrons meaning that it is more stable than the other choices. A proton has mass and has a positive charge.