What are two results of the uneven heating of Earth's surface?


A. Ocean currents


B. Earth's axis tilt


c. Global winds


D. Coriolis effect


SUBMIT


Pls tell me the answe

Answer:

Because  they convert the electrical voltage produced by increasing and then it goes into the power lines

Explanation:

The main purpose of the transformers is to convert high electrical voltage to low voltage. The transformers transfer the electrical energy into power lines.

A transformer can be described as a passive component that transfers electrical energy from one electrical circuit to another circuit or multiple circuits. A varying current produces a varying magnetic flux in the transformer's core, which induces an electromotive force (EMF) across other coils wound around the same core.

When the electricity is generated in the power plant, it has to travel large distances from the stations for supply. The high voltage transmission is more efficient as it allows transmitting a larger part of the generated power.

From the power stations, first, the current is passed through the step-up transformer, then at the high voltage, the current reaches the substations, where the current is traveled through the step-down transformer where the voltage is decreased to an amount of 220V.

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Answer:

True

Explanation:

Because its hardness makes it resistant to Mechanical and Chemical Weathering.

The protein's specific volume (0.73 mL g-1 for -lactoglobulin).

Enzyme-containing proteins help speed up the metabolism, or chemical changes, in our bodies. While some compounds are decomposed, others have been produced. Everything that is alive contains enzymes. Naturally, our bodies produce enzymes.

For instance, the enzyme pepsin is a vital component of gastric fluids and aids in the breakdown of food particles in the belly. Similar to how amylase, an enzyme found in saliva, turns starch into glucose to aid in the first stages of digestion. The thrombin enzymes is employed in medicine to speed up the healing of wounds.

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Answer:

Melting point

Explanation:

And here is your answer hope it would be correct

The empirical formula of the compound is K2CrO4, which indicates that there are two potassium atoms, one chromium atom, and four oxygen atoms in the compound.

To find the empirical formula of the given compound, we need to determine the ratio of atoms in the compound. First, we need to convert the given masses of K, Cr, and O into moles by dividing them by their respective atomic masses (39.10 g/mol for K, 52.00 g/mol for Cr, and 16.00 g/mol for O). This gives us 0.0266 moles of K, 0.0135 moles of Cr, and 0.0538 moles of O.

Next, we need to find the smallest whole number ratio of atoms in the compound. We can do this by dividing each of the mole values by the smallest mole value, which is 0.0135 moles for Cr. This gives us a ratio of approximately 2:1:4 for K:Cr:O, respectively.

Therefore, the empirical formula of the compound is K2CrO4.

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Answer:

3

Explanation:

begining 0's are never significant

all numbers 1-9 are always significant

ending 0's are only significant when there is

a decimal.

Answer:

3

Explanation:

The line has less bumps and goes slower then line two

Answer: B) the forces in the solid hold the atoms tightly in place

Explanation:This is because there is no room for the atoms to move around much and because they are very close together which makes the phase a solid.

Fluorine atom substitution is the term used to describe the fluorine atom when it replaces hydrogen in drugs.

Hydrogen is often replaced with a fluorine atom in drugs to improve their activity, stability, and pharmacokinetic properties. The substitution of a hydrogen atom with a fluorine atom is known as fluorine atom substitution. In the design and development of drugs, fluorine atom substitution is one of the most important and widely utilized methods. It has been utilized in the preparation of various drugs for several years.

The substitution of hydrogen with fluorine has been utilized to enhance drug properties like metabolic stability, activity, lipophilicity, and others. The reason why a fluorine atom is used to replace hydrogen in drug development is because of its small size, high electronegativity, and the unique chemical properties that it imparts to a drug molecule. It has been found to be an effective method of modifying drug properties in a variety of ways.

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The specific heat of the metal is 19.99 J / g·°C

Given,

We are required to find the specific heat of the metal.

Specific Heat Formula

We know that the specific heat of a substance is defined as the amount of heat energy required to raise the temperature of 1 gram of that substance by 1° C.

It is denoted by “C.”From the problem, the heat gained by the water will be equal to the heat lost by the metal. This can be represented by the equation below:

q gained by the water = q lost by the metal where, q = m * C * ∆T

where, m is the mass of the substance , C is the specific heat of the substance , ∆T is the change in temperature of the substance

The heat gained by the water can be calculated as:

q gained by the water = m * C * ∆T= 50.00 g * 4.184 J/g·°C * (20.15 - 12.6)°C= 50.00 g * 4.184 J/g·°C * 7.55°C= 1576.78 J

The heat lost by the metal can be calculated as:

q lost by the metal = m * C * ∆T= 25.00 g * C * (99.0 - 20.15)°C= 25.00 g * C * 78.85°C= 1971.25 C * g * °C

The two equations can be equated to get:

C * 78.85°C = 1576.78 JC = 1576.78 J / 78.85°C= 19.99 J / g·°C

Therefore, the specific heat of the unknown metal is 19.99 J / g·°C.

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β-dicarboxylic the hydrolysis of an alkylated malonic ester in aqueous sodium hydroxide followed by acidification with aqueous hydrochloric acid gives a carboxylic acid.

During the hydrolysis reaction, the ester bond of the alkylated malonic ester is cleaved, resulting in the formation of a β-dicarboxylic acid. This is due to the presence of two carboxylic acid groups (β-dicarboxylic) in the final product. When the alkylated malonic ester is treated with aqueous sodium hydroxide, the ester bond undergoes nucleophilic attack by hydroxide ions, leading to the formation of a β-keto acid intermediate. This intermediate then undergoes decarboxylation, resulting in the formation of a β-dicarboxylic acid.

Upon acidification with aqueous hydrochloric acid, the β-dicarboxylic acid is protonated, leading to the formation of its corresponding carboxylic acid. This is because the hydrochloric acid donates a proton to the β-dicarboxylic acid, neutralizing the negative charge on the carboxylate group. In summary, the hydrolysis of an alkylated malonic ester in aqueous sodium hydroxide followed by acidification with aqueous hydrochloric acid gives a carboxylic acid, specifically a β-dicarboxylic acid.

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Answer: The total mass of reactants and products is the same during a chemical reaction.

Explanation:

the total mass of reactants is equal to the total mass of products.

the density of concentrated sulfuric acid is 1.84 g/mL when a flask has a mass of 78.23 g when empty and 593.63 g when filled with water and later with sulfuric acid whose mass is 1026.57 g.

Given mass of flask mf = 78.23 g

Mass of flask when filled with water mfw =  593.63 g

Mass of water mw = mfw - mf = 593.63 - 78.23 = 515.4g

Volume of water Vw = Volume of acid Vc = 515.4mL

Mass of flask when filled with acid mfa = 1026.57 g

Mass of acid ma = mfa-mf = 1026.57 - 78.23 = 948.34g

Density = mass(ma)/volume of acid (Va)

= 948.34/515.4 = 1.84 g/mL

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Ocean waves aren't technically related to this. Sound waves are shorter than

light waves, depending on the type of light wave.

True. Some natural chemicals produced by the body can have the same effect as narcotic drugs. The body produces various chemicals known as endogenous opioids, which are neurotransmitters that bind to opioid receptors in the brain and body. These endogenous opioids, such as endorphins and enkephalins, are involved in regulating pain, mood, and reward pathways.

Narcotic drugs, also known as opioids, work by binding to the same opioid receptors in the brain and body, producing analgesic (pain-relieving) and euphoric effects. These drugs can include prescription medications such as morphine, oxycodone, and fentanyl, as well as illicit drugs like heroin.

While the body's endogenous opioids and narcotic drugs may have similar effects, it is important to note that narcotic drugs are typically more potent and can have a stronger impact on the body. Additionally, the use of narcotic drugs can lead to addiction and other adverse effects, while the body's natural opioids are regulated and released in appropriate amounts.

In conclusion, some natural chemicals produced by the body, such as endogenous opioids, can have similar effects as narcotic drugs by binding to opioid receptors. However, the use of narcotic drugs can have more potent and potentially harmful effects compared to the body's natural opioids.

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Answer:

huaD?W

Explanation:

There is no specific threshold or degree of slope steepness at which soil erosion abruptly begins to taper off

Soil erosion is influenced by various factors, including slope steepness, rainfall intensity, soil characteristics, vegetation cover, and land management practices. As slope steepness increases, the potential for soil erosion generally increases due to the gravitational force acting on the eroded materials. However, there is no specific threshold or degree of slope steepness at which soil erosion abruptly begins to taper off. The relationship between slope steepness and soil erosion is generally non-linear. At low slope angles, soil erosion tends to be minimal as the gravitational force is relatively weak. As the slope angle increases, soil erosion typically increases exponentially due to the increased force of gravity. Eventually, as the slope steepness continues to increase, soil erosion may reach a point of maximum potential where the erodibility of the soil and other factors become limiting factors. Beyond this point, the rate of soil erosion may start to taper off, but it does not completely stop. Instead, it may stabilize or decrease slightly compared to the maximum erosion potential observed at steeper slopes.

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The term that fills in the blank is "logically incompatible." When two statements are logically incompatible, it means that they cannot both be true at the same time. This is because the truth values of their atomic components, which are the basic building blocks of logic, cannot be assigned in a way that makes both statements true.

To understand this concept, it's important to know that every logical statement is made up of one or more atomic components, which are either true or false. These components are combined using logical connectives like "and," "or," and "not" to form more complex statements.
When two statements are logically incompatible, it means that their truth values cannot be assigned in a way that makes them both true. For example, the statements "It is raining outside" and "It is not raining outside" are logically incompatible because they cannot both be true at the same time.
In summary, logical incompatibility is a concept that relates to the truth values of atomic components and how they combine to form logical statements. When two statements are logically incompatible, it means that they cannot both be true on any assignment of truth values to their atomic components.

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Answer:

oxygen is a reactant in combustion and the concentration of oxygen is higher in pure oxygen than it is in air.

Answer:

single covalent bond

Explanation:

The bond formed between two atoms each sharing one electron is called single covalent bond

The figure 1 is the structure of diamond. The type of bond in diamond is covalent sp³ bond. DIamond exists in hexagonal arrangement of carbon atoms.

Allotropes are substances formed from a single elements with different number in various size and shape. Carbon exhibit catenation property which means it can forms chains with other carbon in any large number.

The allotropes of carbon are diamond, graphene and fullerene. Diamond is hexagonal arrangement of carbons atom bonded covalently in sp³ hybridisation.

In graphene as shown in the second figure, bonded carbons atoms are arranged as layers where carbon is in sp²hybridisation. In the case of fullerenes, there are both hexagonal and pentagonal rings adjacent to each and are formed by 60-70 carbons.

In all these allotropes, the bond type between two carbons atoms is covalent. Covalent bond is formed by sharing of electrons between the two atoms.

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The molecule H2O2 (H-O-O-H) has 3 bonding pairs and 2 lone pairs. It is important to note that the number of bonding and lone pairs in a molecule determines its shape and reactivity.

The molecule H2O2, also known as hydrogen peroxide, has a total of 5 pairs of electrons around its central oxygen atom. In order to determine the number of bonding and lone pairs, we need to first understand the electron pair geometry of the molecule. H2O2 has a bent or V-shaped molecular geometry with the two hydrogen atoms on one side and two lone pairs of electrons on the other.

The lone pairs of electrons are non-bonding pairs and do not participate in chemical bonding. They occupy more space than bonding pairs, resulting in a distortion of the molecular geometry. Therefore, H2O2 has 2 lone pairs of electrons and 3 bonding pairs of electrons.

Therefore, Understanding the electron pair geometry of a molecule is crucial in predicting its properties and behavior.

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The connections to the different amino acids in a protein are through peptide bonds.

Amino acids are the basic monomer units that proteins are composed of.

Hence, proteins are polymers of monomeric units called amino acids.

Amino acids have a basic structure where a chiral carbon atom is bonded to four different groups.

The four groups present in amino acids are:

Amino acids in proteins are linked to each other by means of peptide bonds. The peptide bond is formed from an amino group and a carboxyl group with the removal of a water molecule.

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Beryllium bromide is a compound formed by the combination of beryllium and bromine atoms. Its chemical formula is BeBr₂, indicating that each molecule of beryllium bromide contains one beryllium atom and two bromine atoms.

Beryllium has a 2+ charge, while bromine has a 1- charge. To achieve electrical neutrality, two bromine atoms are needed to balance the charge of one beryllium atom. Beryllium bromide is an ionic compound, characterized by the electrostatic attraction between the positively charged beryllium cation and the negatively charged bromide anions.

It is a white crystalline solid that is highly soluble in water. Beryllium bromide is primarily used in organic synthesis as a Lewis acid catalyst and in some industrial applications. Due to the toxicity of beryllium compounds, including beryllium bromide, proper safety precautions must be taken when handling or working with this substance.

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The first indirect effect of aerosols is the increase in cloud albedo. The sign of its radiative forcing is negative.

Aerosols play a major role in the earth's climate by scattering and absorbing solar radiation and modifying the microphysical and radiative properties of clouds. The first indirect effect of aerosols is the increase in cloud albedo.The albedo effect happens when radiation from the sun reflects off the planet and back into space. Clouds act as mirrors and reflect much of the sun's radiation back into space, making the Earth cooler. Aerosols increase cloud albedo, reflecting more radiation back into space, and causing the Earth's temperature to decrease. The sign of the radiative forcing of the first indirect effect of aerosols is negative.

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Assuming that 1.0 g of Compound A is consumed in a reaction with more than 1.0 g of Compound B, which produces only one product, Compound C then this reaction is called as stoichiometry reaction.

Because the reaction yields only one product, Compound C, the mass of Compound C produced can be calculated using the reaction's stoichiometry. If the balanced chemical equation for the reaction is: A + B C, where A and B are the reactants and C is the product, then the reaction stoichiometry is: 1 mole A + 1 mole B 1 mole C.

We can convert the masses of A and B into moles using the molar masses of the compounds:

mass A / molar mass = moles A A mole B = mass B divided by molar mass B

Because Compound B is in excess, we can assume that it will all react and be consumed in the reaction.

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Answer:

True

Explanation:

I did the test and got 100

Answer:

True!

Explanation:

The pair of atoms that have the highest degree of solid solution solubility based on the given information is (c) Copper (FCC) & Aluminum (FCC).

This is because they both have a face-centered cubic (FCC) crystal structure, which means that their atomic packing is similar and allows for solid solution formation.

Planar defects, such as surfaces and grain boundaries, have increased energy associated with them because all the bonds are not fully satisfied in the atoms at these defects.

This can lead to increased reactivity and diffusion of atoms at these defects and leads to higher energy states for the atoms involved, making the material less stable in these regions.

The energy at planar defects is also affected by temperature and vacancy concentration. Covalent bonding is not typically involved in metallic solid solutions.

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