How is the periodic table divided? (Where do we find metals, nonmetals and metalloids?)

Answer: Unused glucose is stored mainly in the liver as glycogen.

Explanation: The body breaks down most carbohydrates from the foods we eat and converts them to a type of sugar called glucose. Glucose is the main source of fuel for our cells. When the body doesn't need to use glucose for energy, it stores it in the liver and muscles. This stored form of glucose is made up of many connected glucose molecules and is called glycogen. When the body needs a quick boost of energy or when the body isn't getting glucose from food, glycogen is broken down to release glucose into the bloodstream to be used as fuel for the cells.

When the body doesn't need to use glucose for energy, it stores it in the liver and muscles.

Answer: The correct answer is d - None of the Above.

Explanation: Halogens have increasing electron affinity as their atomic numbers increase, while their ionization energy and electronegativity both decrease as atomic numbers increase.

Many people in the early days of science thought that combustible stuff was made of a component called phlogiston that this substance was emitted during the burning of combustible things.

A combustible material is what?

Combustible materials are those that, when exposed to fire or heat, will ignite, burn, sustain combustion, or produce flammable gases in the form and circumstances anticipated for their application. Combustible materials include rubber, plastics, rubberized materials, and wood.

What gases are combustible?

A gas that really can ignite inside the air or with oxygen is said to be combustible. Gases like hydrogen, methane, propane, and iso-butane are examples of flammable gases. In the existence of an ignition source, a mixture containing a particular amount of flammable oxygen and gas will explode. The most common reason for gas explosion accidents is combustible gas.

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SDS’s are not denote for consumers. An SDS affects the hazards of working with the material in an occupational fashion.

For example, an SDS for paint is not highly relevant to someone who uses a can of paint once a year but is extremely important to someone who uses that paint 40 hours a week or per day 5-6 hours.

A safety data sheet (SDS), first known as a material safety data sheet) is an important information source for eliminating or minimizing the risks linked with the use of hazardous chemicals (hazardous substances and/or dangerous goods) in workplaces.

While the GHS uses a total of 9 pictograms, OSHA will only impose the use of eight.

The environmental pictogram is not compulsory but may be used to provide additional information.

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Instant hot and cold packs are found in many common stores and work when two substances react. Depending on the substances that react, the reaction either absorbs heat or gives off heat. The enthalpy of a hot pack is  negative because the reaction gives off heat. If The enthalpy of a hot pack is  positive because the reaction absorbs heat.

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The example of situational irony is “She rattled on cheerfully about the shooting and the scarcity of birds, and the prospects for duck in the winter. To Framton it was all purely horrible."

A situational irony is a literary device.

Situational irony refers to when an assumption is directly contrasted by an event that happens. It means when something opposite happens to what was being expected.

Saki uses situational irony to create humor in "The Open Window".

The character of Vera spins such an amazing tale of dead people and ghosts that Mr. Nuttel and the reader get captured in it and it is later revealed to be false and just a past time of Vera spinning tales.

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Answer:

Plants are a resource of food and are also responsible for turning CO2 into O2

Explanation:

Answer:

[tex]\huge\boxed{\sf 0.26 \ atm}[/tex]

Explanation:

Given that,

Atmospheric pressure = 199 mm Hg

So,

Pressure = 199/760 atm

[tex]\rule[225]{225}{2}[/tex]

The products Rosa recorded in the last row of the table should be: 2LiCl + 3O₂.

The type of reaction which Rosa did is a decomposition reaction which involves one compound that yields to more than one (or usually two) product. To determine the product, we can deduce that it has to contain elements of Li, Cl and O₂. So, from the options, the answer is 2LiCl + 3O₂.

A decomposition reaction can be described as a chemical reaction in which one reactant breaks down into two or more products. Generally, decomposition reactions need energy input.

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Based on the mole ratio of the given chemical reaction, 8 moles of CuS are produced.

The mole ratio of an equation is the ratio in which the reactants in a given chemical reaction react with themselves to form products.

Both reactants and the products are present in a given mole ratio as given by the equation of the reaction.

The mole ratio of the given equation of reaction is obtained from the equation of the reaction as follows:

Na₂S + CuSO₄ → Na₂SO₄ + CuS

The mole ratio of CuSO₄ toCuS is 1 : 1

Hence, 8 moles of CuS are produced.

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Equipment not kept in your assigned lab drawer is called: Shared equipment

Departmental equipment are the set of things that is to be used by all the people of department and not necessarily have to be a research equipment. This kind of equipment mostly include some simple machineries and all purpose equipment that can also be used out of the laboratory.

Lab equipment are strictly research related things but can be used for various projects and not strictly used for a particular project. This kind of equipment can be used by research scholars as well as undergraduate or postgraduate student group.

Community equipment are also research related thing but unlike Lab equipment it is used by a group of students or research scholars who are involved in same project or similar kind of project and can't be shared commonly among all the students.

A shared equipment is research related thing but unlike Community equipment it is not shared among the scholars of similar kind of different projects. Shared equipment is assigned for a single group for a particular project and can be shared among the group members only. No members of the group can acquire it all alone.

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The First Germanic War and the crucial Battle of Anzio (378 CE), in which the Goths led by Fritigern overthrew Rome due to their oppression at the feet of Romans provincial rulers, were sparked

adjective. When you refer to someone or anything as provincial, you are expressing your disapproval of them because you find them to be monotonous and out of date. [disapproval] He made the choice to update the organization's rural image. Synonyms include local, exclusive, simpleminded, and uncultured More the opposites of provincial.

a member of or associated with a province. 2 pertaining to, or associated with, the provinces; regional. possessing beliefs and attitudes that are thought to be typical of country dwellers; simple or undeveloped; constrained.

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The way migration can be used by scientists to predict the trends in the size of the human population because Population growth occurs when immigration rates are higher than emigration rates; the opposite occurs when emigration rates are higher than immigration rates.

The rate of natural rise and the results of migration make up the rate of population expansion. As a result, a high rate of natural increase can be balanced by a high level of net in-migration, and a low rate of natural increase can be.

Migration will slow down aging in wealthy areas while speeding it up in underdeveloped ones. Most nations and regions that are seeing population declines do so primarily as a result of natural change (the distinction

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An umbrella is placed in a drink holding a volume of punch equal to 7 mL. The height of the punch rose to 10 mL. If the mass of the umbrella was 27 g, the Density of the umbrella is 9 g/mL.

Given that :

The mass of the umbrella = 27 g

The volume of the umbrella :

= height of the punch rose - volume of the punch

= 10 mL - 7 mL

= 3 mL

The density of the umbrella is give as :

Density = mass / volume

Density = 27 g / 3 mL

Density = 9 g/mL

Thus, the density of the umbrella is 9 g/mL.

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This is based on the process of chemical decomposition due to which experiment shows the red substance.

Compounds with an oxygen–oxygen single bond are categorised as peroxides. Hydrogen peroxide represents the simplest type of this group of chemicals.

It is characterized by its tendency to decompose, caused by the nature of its unstable peroxide bond. It must be stored with a stabilizer, such as acetanilide or similar organic materials.

The solution is not flammable, regardless of its concentration. However, hydrogen peroxide is a strong oxidizing agent, due to its chemical structure and unpaired electrons.

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The negatively charged electron in the plum pudding model, however, is smaller than an atom and is negatively charged.

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A Lewis Structure is a significantly condensed illustration of the valence shell electrons of a molecule. It serves to illustrate how the electrons surround the character atoms of a molecule.

Atoms come together to form molecules. The two atoms a water molecule are either two hydrolysis (H) atom but one oxid (O) atom. As a result, water is sometimes shortened as H2O. One teaspoon of liquid contains billions of water molecules.

A molecule is a group of three or maybe more atoms connected by chemical bonds. A composite is a mixture created by the chemical fusion of a number of distinct types of components.

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This chemical equation is balanced. 2Na+ 2H₂O → 2NaOH + H₂ this equation show the conservation of matter in a chemical reaction by the number of substances in the reactants is equal to the number of substances in the products. Therefore, option C is correct.

The law of conservation of matter states that the same amount of matter exists before and after the change of reaction, none is created or destroyed in the reaction.

According to the law of conservation of mass, the total mass of the products in a chemical reaction is exactly equal to the total mass of the reactants.

Thus, option C is correct.

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A. 3 Mg + 2 AlCl3 --> 3 MgCl2 + 2 Al would not occur as written due to the Activity Series of Metals

The Activity Series of Metals is a list of metals in order of decreasing reactivity. The most reactive metals are at the top of the list and the least reactive metals are at the bottom. The metal that is considered the least active in the Activity Series of Metals is gold. Gold is a very unreactive metal, meaning that it does not easily form compounds with other elements or react with other substances. This is why gold is often used in jewelry and other decorative items, as it does not tarnish or corrode easily. Other metals that are considered to be relatively unreactive and are also located towards the bottom of the activity series include platinum and silver.

It is worth noting that the activity series of metals is not a definitive and absolute list. It is based on a specific set of conditions, such as the presence of a certain solvent or the concentration of certain ions, and the activity of the metals may change in different environments.

Additionally, the activity series can be useful to predict the outcome of displacement reactions, in which a more active metal can displace a less active metal from a compound. For example, zinc, a more active metal than copper, can displace copper ions from a copper sulfate solution to form zinc sulfate and copper metal.

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The empiric formula to that compound is S₃H₄. Empirical formula is the proportion of the element that is available in a compound.

To find the formula for that compound, we have to know the mole ration of its atoms. As per given data only mass of s = 96% and h = 4%. We have to assume mass of the compound as x. Then calculate the ratio as follow:

S mole value : H mole value = (96x : 32.07) : (4x : 1.008)

S mole value : H mole value = 3x :  4x

Let divide the ratio with x

S mole value : H mole value = 3 : 4

After we get the ration, make the empiric formula based on it where the result:

S(mole value)H(mole value) = S₃H₄

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The scale contains values from 0, which is the most acidic, to 14, which is an agricultural product that, though not always by weight majority, is the distinguishing or unique element in a cottage food product.

A cuisine is a type of food distinguished by unique materials, preparation methods, and meals, and it is frequently related to a particular culture or geographical area. Dishes that are specific to a place are made possible by regional food preparation methods, customs, and ingredients.

To assess if a food product is a good decision or not, the ingredient list is the best resource you have at your disposal. In actuality, there is no other way to tell if a product is derived from actual food or if it also contains additives, added sugars, and vegetable oils.

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Mass percent composition is calculated by comparing the molar mass of an element in a compound to the total molar mass of the entire compound.

The number of atoms that would make 7.31 moles of potassium is 4.40 × 10²⁴ atoms.

The number of atoms in a substance can be calculated by multiplying the number of moles in the substance by Avogadro's number as follows:

According to this question, there are 7.31 moles of pottasium. The number of atoms can be calculated as follows:

no of atoms = 7.31 moles × 6.02 × 10²³

no of atoms = 4.40 × 10²⁴

Therefore, 4.40 × 10²⁴ atoms is the number of atoms in pottasium.

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Clayey soil can absorb more water due to its comparatively large pore size and ability to hold the water molecules.

Soil is composed of components such as minerals, gas, water and organic matter. It is divided into three components viz. sand, silt and clay.

The ability of a soil to absorb water depends upon its pore size. In clayey soil, it has relatively large pore size so the water molecules can be easily absorbed and stored in the pores unlike sandy soil.

Clay particles have cohesive force between them which helps to hold water molecules together, whereas this cohesive force is absent in sandy soil.

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a) The percentage abundance shows the amount of the isotope

b) The relative atomic mass is 122.5 amu

c) The Rutherford's model explained the planetary model of the atom.

We have to know that the elements that we are considering must be composed of isotopes. The isotopes of the elements that we have have the same atomic number but does not have the same mass number of the element that we are looking at here.

For us to get the relative atomic mass of the element X;

Relative atomic mass = Weighted average of all the isotopes

As such we have;

(121 * 0.432) + (123 * 0.531) + (129 * 0.0370)

52.27 + 65.31 + 4.773

=122.35 amu

The Rutherford model of the atom was one of the earliest among the models of the atom and it helped in the understanding of the atom.

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20 grams of salt can be accurately weighed using an electronic balance. For measuring, we can use s filter paper or other thin sheets to take the salt.

An electronic balance is a used to weigh substances. Solid as well as liquids substances can be accurately weighed using an electronic balance. It is more accurate and easy to use in comparison with with the conventional balances.

Powder samples can be easily weighed out using electronic balances. First we have to tier the weight of the container or the paper on which the substance to be weighed is taken.

20 g of salt can  be easily measured out using an electronic balance. Using this device we can take measurements with two or four decimal places as well.

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This is Single displacement reaction as copper is displacing silver from silver nitrate

A single replacement reaction, also known as a single displacement reaction, occurs when one element in a molecule is swapped out for another. Starting ingredients are always pure elements combined with an aqueous compound, such as pure hydrogen gas or zinc metal. A new aqueous compound and a different pure element will be produced as products when a replacement reaction occurs.

Cu(s) + 2AgNo3(aq) → 2Ag(s) + Cu(NO3)2(aq)

When an atom or group of atoms in a molecule are replaced by another atom, this is referred to as a displacement reaction. For instance, copper metal is displaced when iron is added to a solution of copper sulphate.

A + B-C → A-C + B

The above equation exists when A is more reactive than B.

A and B have to be either:

Halogens where C indicates a cation.

Different metals wherein C indicates an anion.

Different kinds of single replacement reactions

The reactivity series identifies three primary categories of single replacement reactions:

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