Which form of energy can be connected closely to climate change?
hydroelectric

coal

solar

wind

Answer: Radhika loves to eat sweets and chocolates. She asks her mother for the same before and after every meal. This is an example of bad eating habit.

Explanation:

Both sweets and chocolates contain high amount of fat and sugar. When Radhika is eating the same before and after every meal then it means she is consuming it in excess.

When we eat too much of sweets and chocolates then its remains get deposited in between our tooth and when they remain over there for hours then more amount of bacteria is formed.

Due to this bacteria our tooth starts to decay.

Hence, it is advised even by the doctors to eat sweets and chocolates occasionally and not regularly.  

Thus, we can conclude that Radhika loves to eat sweets and chocolates. She asks her mother for the same before and after every meal. This is an example of bad eating habit.

An element that can exhibit more than one structural form in the same state is called an allotrope.

Yes, there are industrial and technological applications that utilize the property of elements that can exhibit more than one structural form in the same state. For example, carbon exists in multiple structural forms such as graphite and diamond. In industry, graphite is used in lubricants, batteries, and as a refractory material, while diamond is used for cutting and polishing due to its extreme hardness. Additionally, this property of an element is also utilized in technologies such as semiconductors and in the production of advanced materials such as aerospace composites.

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Answer:

gonna check them rn :) youre not d u mb dont worry (:

Answer:

this is a displacement reaction

Explanation:

because carbon is a reducing agent

In a solution, the substance present in the largest quantity is called the solvent , while the substances dissolved in smaller quantities are called solute.

What is the difference between a solvent and solute?

In Chemistry, solvent is defined as the medium which dissolves the other substances.

In general, a solution is a combination of a solute and a solvent.

For example, let's take a mixture of water, slat and sugar.

Here water is the solvent as it is present in large quantity while sugar and salt are solutes.

To put it simply, a solution is a homogenous mixture that is formed when solute is added to the solvent.

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Synthesis. Iodine monobromide is formed when iodine and bromine are combined in a chemical reaction: I2 + Br2 → 2 IBr.

The values for the reduction potential are: Mn2+ = +1.51 V, NO3 = +0.96 V. According to the results shown, NO3's reduction potential is lower than Mn2 reduction potential. Thus, NO3 cannot oxidize Mn2+.

Considering half reactions:

MnO4(aq) + 8H (aq) + 5e Mn2+(aq) + 4H₂O(1)

NO3 (aq) + 4H (aq) + 3e NO(g) + 2H2O(1)

Both the reactions are reduction reactions involving gain of electrons. Nitrate ion is itself reduced to NO and can oxidize any ion which is losing electrons.

Reversing the first given reaction:

Mn2+ (aq) + 4H₂O(l) → MnO4¯(aq) + 8H+ (aq) + 5e-

NO3-(aq) + 4H +(aq) + 3e- NO(g) + 2H2O(1)

(l)According to this equation, Mn (II) loses electrons to get oxidized to permanganate ion and nitrate ion is reduced to NO. These 2 reactions give result to redox reaction where Nitrate can reduce itself to NO, and oxidize the corresponding Mn (II) ion.

An oxidation and a reduction are the two components of a redox process. These two processes, which are referred to as half reactions, entail altering the oxidation state of the reacting atoms.

Chemical processes known as oxidation-reduction reactions involve the exchange of electrons between the reacting species. The oxidation status of the reactants changes in conjunction with these electron exchanges.

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Answer:

The energy transferred between particles.

Explanation:

Temperature is a measure of the average translational kinetic energy of the molecules of a system. Heat is commonly expressed in either of two units: the calorie , an older metric unit, and the British thermal unit (Btu), an English unit commonly used in the United States. Scientists express heat in terms of the joule , a unit used for all forms of energy.

As heat is added to a substance in the solid state, the molecules of the substance gain kinetic energy and the temperature of the substance rises. 

The element that is most easily oxidized among Sn, Cu, and Mg is Sn. So, the correct answer is (B) Sn.

Based on the activity series given, we can determine the element that is most easily oxidized among Sn (tin), Cu (copper), and Mg (magnesium).

The activity series lists the elements in order of their reactivity, with the most reactive element at the top and the least reactive at the bottom. The element that is most easily oxidized is the one that readily loses electrons and forms positive ions.

Looking at the activity series, we can see that Sn appears above Cu and Mg. This indicates that Sn is more easily oxidized than Cu and Mg. In other words, Sn has a higher tendency to lose electrons and form Sn2+ ions compared to Cu and Mg.

On the other hand, Cu appears below Sn and above Mg, which means it is less easily oxidized than Sn but more easily oxidized than Mg. Similarly, Mg appears at the bottom of the activity series, indicating that it is the least easily oxidized among the three elements.

Therefore, the element that is most easily oxidized among Sn, Cu, and Mg is Sn. So, the correct answer is (B) Sn.

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Answer:

The balloon transport system or Hot Air Balloon is one of several transportation methods in RuneScape. During the Enlightened Journey quest it can be used for travel between two locations. After the quest is complete, four more locations are available to be unlocked by completing respective journeys to those locations.

Explanation:

transportation

Answer:

(CH3COO)2 + redP + Cl2 → ClCH2COOH + HCl

Explanation:

This is an example of halogenation of carboxylic acids at alpha carbon atom. In this reaction, red phosphorus and chlorine are treated with carboxylic acids having alpha hydrogen atom followed by hydrolysis to form alpha chloro carboxylic acid.

Answer:

A student is drinking a cup of hot chocolate as they sit by a campfire on a chilly evening. They know that the cup of hot chocolate transfers thermal energy to the surrounding air. The heated air over their cup of hot chocolate expands and rises and is replaced by cooler, denser air.

This method of energy transfer is

Explanation:

Answer:

radiation

Explanation:

radiation is when an existing heat source spreads heat to its surroundings

Answer:

The Inner Core

hope it was useful

stay at home stay safe

keep rocking

pls mark me as brani

........

The change in enthalpy for a reaction can be calculated by subtracting the sum of the enthalpies of formation of all the changes from the sum of the enthalpies of formation of all the changes.

Enthalpy is a property or state function that resembles energy; it has the same dimensions as energy and is therefore measured in joules or ergs. The value of enthalpy is solely dependent on the temperature, pressure, and composition of the system, not on its history.

Enthalpy is the unit used to describe the total amount of heat in a thermodynamic system with constant pressure. It's depicted as. Where E is the internal energy, P is the pressure, and E is the energy, H is defined as E + P + V.

Enthalpy is a system's thermodynamic attribute. It is made up of the system's pressure, volume, and internal energy put together. It displays both the ability to produce heat and the ability to perform the non-mechanical activity.

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Answer:

it's true

Explanation:

Many of the factors affecting sound quality involve how sound waves bounce around the room. The more walls, the greater chance of longer reverberation. ... Ceiling height, room width, and the number of walls all contribute to determining reverberation time. Usually the larger the room, the longer the reverb time

Answer:

38.9mL are needed.

Explanation:

1st) It is necessary to calculate the number of moles of HCl that will be contained the 161.1mL of the 3.03M solution:

Now we know that the new solution will have 0.488 moles of HCl.

2nd) With the number of moles and the molarity of the original solution, we can calculate the volume of the 12.56M HCl needed:

So, 38.9mL are needed.

For a given sample of ch3oh , the enthalpy change during the reaction is 82.7 kj. The mass of the methane gas will be 32 gram.

When methanol will provide some temperature, then it will break into methane and oxygen gas and release some amount of energy.

The balanced chemical equation can be written as:

\(2CH_{3}OH\)→ \(2CH_{4} + O_{2}\), ΔH= 82 kJ

It can be seen that 2 mole of methane will produce 82 kj energy.

Hence, the energy of 82.3kj the count of mole could be = (2×82.3)/82

 = 2 moles

The mass will be equivalent to the = 2 × 16 = 32 g

Therefore, the mass of \(CH_{4}\) produced will be 32g

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Answer: I believe in you.

Explanation:

studdy. You got this buddy!

Answer: Argon-52

Explanation: Its B

Answer:

The answer is 16.12 L  

Explanation:

2.5 * 20 = 3.1 * V2

V2 = 50/3.1

V2= 16.12 L

hope this helps

The new volume can be calculated using Boyle's law. If the pressure increases from 2.5 atm to 3.1 atm, then volume decreases from 20 L to 16.1 L.

Boyle's law is a fundamental law of physics that describes the relationship between the pressure and volume of a gas at a constant temperature. It is named after the Irish physicist Robert Boyle, who first stated the law in the mid-17th century.

Boyle's law states that at a constant temperature, the pressure of a gas is inversely proportional to its volume. This means that as the volume of a gas decreases, its pressure increases proportionally.

Hence,

P1V1 = P1V2.

given,

P1 = 2.5 atm

V1 = 20 L

P2 = 3.1 atm

then V2 = P 1 V1 /P2

V2 = 2.5 atm × 20L/3.1 atm = 16.1 L.

Therefore, the new volume of the gas is 16.1 L.

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Answer:

Magnesium chloride.

Explanation:

When magnesium and chloride react with each other produces magnesium chloride. Magnesium belongs to second group in the periodic table which means it has two electrons in its outermost shell while on the other hand, chlorine belongs to seven group which means it has seven electrons in its outermost shell so it needs one electron to become stable. So in the reaction, magnesium loses two electrons and become cation whereas two chlorine atoms receives two electrons from magnesium and become anion. Ionic bond type is present between magnesium and chlorine atoms.

In order to ensure compliance with legal requirements, it is important for companies to carefully examine their contractual agreements with bankers and other lenders.

This includes reviewing the terms and conditions of loans and other financial arrangements to ensure that all parties are meeting their obligations and that there are no violations of relevant laws and regulations.

By conducting regular reviews and assessments of these agreements, companies can identify potential issues or risks and take steps to address them proactively. This can help to minimize the risk of legal disputes or penalties and ensure that the company is operating in a responsible and ethical manner.

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Water-washed transmission of infection refers to the spread of infectious agents through direct contact with contaminated water.

Water-washed transmission of infection occurs when individuals come into contact with water that is contaminated with infectious agents, such as bacteria, viruses, or parasites. This can happen through activities like bathing, washing hands, or consuming contaminated water. The infectious agents can enter the body through the respiratory tract, eyes, or open wounds, leading to infection.

Water-washed infections are commonly associated with poor sanitation and lack of access to clean water. Contaminated water sources, inadequate hygiene practices, and unsanitary conditions contribute to the transmission of diseases like diarrhea, cholera, and skin infections.

Preventing water-washed transmission requires ensuring access to clean and safe water sources, promoting proper hygiene practices such as handwashing with clean water and soap, and improving sanitation infrastructure. These measures are crucial for reducing the burden of water-related infections and protecting public health.

In summary, water-washed transmission of infection occurs when individuals come into contact with contaminated water, leading to the spread of infectious agents. Addressing issues related to water quality and sanitation is essential for preventing and controlling water-washed infections.

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The pH of a KOH solution that has concentration of H⁺ ion is 1.87 × 10⁻¹³ M, is 12.73 it means given solution is basic in nature.

pH of any solution is define as the negative logarithm of the concentration of H⁺ ion present in the solution, pH value ranges from 0 to 14.

i.e. pH = -log[H⁺]

In the question it is given that,

Concentration of H⁺ ion in the KOH solution = 1.87 × 10⁻¹³ M

pH of KOH solution = -log(1.87 × 10⁻¹³)

pH = -(-12.73)

pH = 12.73

Hence required pH is 12.73.

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Answer:

c

Explanation:

During alpha decay, atomic nuclei emit alpha particles, which are helium-4 nuclei composed of two protons and two neutrons. So, during alpha decay, the total mass of the reactants is equal to the mass of the main nucleus before decay.

In beta-plus decay, also called positron emission, protons in the nucleus are converted into neutrons, and positrons and neutrinos are emitted. Since the mass of a positron is very small compared to the mass of a proton or neutron, the total mass of the reactants in beta and decay is very close to the mass of the parent nucleus before decay.

Beta -mm is also known as electrons or negatively, and the nucleus neutron is transformed into protons and electrons and is produced by antizatinrino. Because the electronic mass is very small compared to the mass of protons or neutrons, the total mass of the minimum minimum minimum reagent is very close to the body of the body.

Generally, the total mass of the reactants in a fission process is very close to the mass of the parent nucleus before fission, because the mass of the particles released during fission is much smaller than the mass of the parent nucleus. However, due to the conservation of energy and momentum, there can be slight differences in mass between the reactants and the decay products, called mass defects.

This mass defect is converted into energy according to Einstein's famous equation E = mc². where E is the energy released, m is the mass defect, and c is the speed of light.

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Answer: Predominant tropical easterly winds sweep across the central and southern portions of the state, keeping the temperatures mild

Explanation:

bc