How can the third digit of the VSPER number be determined if only 1st two VSEPR number are known

Answer: The element is Magnesium.

Explanation:

The energy levels determine the period of the element. Thus an element with 3 energy levels will be an element of third period.

As the valence electrons are 2 , the group number of the element is 2.

Thus the element will have an electroni configuration of \(1s^22s^22p^63s^2\)

The atomic number will be equal to the number of electrons and thus atomic number will be (2+2+6+2) = 12. The element will be magnesium with atomic symbol of Mg.

Answer:

BUDDY YO

Explanation:

Answer:

the answer is copper pipe

Wear personal defence tools, follow the guidelines and be careful with chemicals. Measure 14.72g of \(H_2SO_4\), dissolve in distilled water, and make up to 400mL in a volumetric flask.

1. Always wear appropriate personal protective equipment such as gloves, goggles, and lab coat.

2. Read and follow the instructions carefully before handling any chemical.

3. Handle the chemicals in a well-ventilated area to prevent inhalation of harmful fumes.

To prepare a 0.2M solution of tetraoxosulphate (VI) acid in a \(400cm^3\)  volumetric flask:

Calculate the amount of tetraoxosulphate (VI) acid required using the formula:

Mass = (Molarity x Volume x Molecular weight) / 1000

Where:

Molarity = 0.2M

Volume =\(400cm^3\)

Molecular weight = (4x16) + 32 + (6x16) = 98g/mol

Mass = (0.2 x 400 x 98) / 1000 = 7.84g

Weigh out 7.84g of tetraoxosulphate (VI) acid using a balance.

Transfer the weighed tetraoxosulphate (VI) acid into the \(400cm^3\) volumetric flask using a funnel.

Add distilled water to the flask until the volume reaches the \(400cm^3\) mark on the neck of the flask.

Stopper the flask and mix the solution thoroughly by inverting the flask several times.

It is important to specify the density of the tetraoxosulphate (VI) acid, as this will affect the mass required for the solution. In this case, the percentage purity of the acid is also given, which can be used to calculate the actual mass of the tetraoxosulphate (VI) acid needed.

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The digestion process in an amoeba occurs within its cell membrane. They are characterized by their ability to form temporary extensions of their cytoplasm called pseudopodia which they use to move, capture food, and perform various other functions.

A form of single celled organism known as an amoeba is a member of the protozoa phylum. It is a tiny, eukaryotic organism with the capacity to modify its shape continuously and lacks a fixed shape. Amoebas belong to the phylum Amoebozoa and are typically found in freshwater habitats, soil, and marine sediments.

An amoeba can generate temporary extensions of its cytoplasm, known as pseudopodia, which it uses for a variety of activities include locomotion, feeding, and trapping prey. The amoeba can travel and ingest food particles by surrounding them thanks to its flexible pseudopodia, which may be expanded in any direction.

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Here is the complete question:

Describe the digestive system of the amoeba.

Answer:

For many solids dissolved in liquid water, the solubility increases with temperature. The increase in kinetic energy that comes with higher temperatures allows the solvent molecules to more effectively break apart the solute molecules that are held together by intermolecular attractions.

Answer:

D . They are found in moist environments.

Explanation:

Nonvascular plants do not have a xylem or phloem, roots, stems, or leaves. Because these plants lack water-conducting tissues, they fail to achieve the structural complexity and size of most vascular plants and have evolved in habitats which allow their survival and reproduction.

The plant body that is most obvious in non-vascular plants are the the gametophyte generation. The gametophte gemeration is haploid.

The non-vascular plants grow in moist environments. It is due to lack of vascular tissue that requires to maintain close contact with water to prevent desiccation. Nonvascular plants are plants that do not have any special internal pipelines or channels to carry water and nutrients. Instead, nonvascular plants absorb water and minerals directly through their leaflike scales. Nonvascular plants are usually found growing close to the ground in damp, moist places. Non-vascular plants thrive in damp conditions since they don't need to rely on roots to acquire enough water.

Answer:

a yellow precipitate is formed when mixed together

A student in chemistry class mixes two clear solutions together. Then, a Yellow precipitate is formed when mixed together.

A particular kind of homogenous combination made up of two or more components is known as a solution. A solute is a material that has been dissolved in a solvent, which is the other substance in the combination.

In a combination called a solution, every component is well combined. Solutions can contain solids, liquids, and gases and are regarded as homogenous mixes. A solute plus a solvent makeup a solution. Any material that dissolves in a solvent is referred to as a solute.

Solid, liquid, and gaseous solutions can be classified as solutions based on the physical states of the solvent and solute. Both the solute and the solvent are in the solid state in solid solutions.

Thus, option C is correct.

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Answer:

B

Explanation:

Answer:

\(\boxed {\tt 1.0 \ g/mL}\)

Explanation:

Density can be found by dividing the mass by the volume.

\(d=\frac{m}{v}\)

The mass of the water is 50.0 grams.

The volume of the water is 50.0 milliliters.

\(m= 50.0\ g \\v=50.0 \ mL\)

Substitute the values into the formula.

\(d=\frac{50.0 \ g}{50.0 \ mL}\)

Divide.

\(d= 1.0 \ g/mL\)

The density of the water is 1.0 grams per milliliter. Also, remember that the density of pure water is always 1.0 g/mL or g/cm³

Answer:

pH meter measures the degree of acidity or alkalinity in a substance. The H+ ions measures its acidity and the OH- measures the alkalinity.It usually has a voltmeter which is connected to a pH-responsive electrode and a standard electrode which has no degree of variation.

The potentiometric ph meter works functions by measuring the voltage between two electrodes and the result are usually displayed after conversion into the corresponding pH value takes place.

Answer: arterioles

Explanation:

The situation that would lead to a faster reaction would be example B because of a higher surface area. The correct option would be A.

Looking at the image, the surface area of the reactants in B is higher than that of A. When it comes to the surface area of reactants in a reaction, the higher the surface area, the higher the rate of reaction would be. This is why powdered solutes usually dissolve faster in water than their solid counterparts.

Hence, the reaction in B would be faster due to the higher surface area of the reactants than A.

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Answer:

12 Electrons

Explanation:

Brainliest Please :)

Answer:

12

Explanation:

If the atom is neutral, it should have the same amount of electrons as protons.

hope this helps :)

A leather jacket and printer paper are examples of items that can be made from renewable resources, while plastic forks, metal cans, and electronics are not considered renewable due to their reliance on non-renewable materials and processes. Option  C, E

The two correct answers that are made from renewable resources are:

C) Leather jacket: Leather is derived from animal hides, which are a byproduct of the meat industry. As long as there is a sustainable and responsible approach to animal farming, the production of leather can be considered renewable. The hides are obtained from animals that are raised for meat consumption, and their use in leather production helps reduce waste.

E) Printer paper: Printer paper can be made from various sources, including trees, bamboo, and recycled paper fibers. If the paper is sourced from sustainably managed forests or from fast-growing plants like bamboo, it can be considered renewable. Additionally, the use of recycled paper fibers reduces the demand for materials and promotes a more circular economy.

The other options, A) plastic fork, B) metal can, and D) electronics, are not made from renewable resources:

A) Plastic fork: Plastics are typically derived from fossil fuels, which are non-renewable resources. The production of plastic involves the extraction and processing of petroleum or natural gas, both of which are finite resources.

B) Metal can: Metal cans are predominantly made from aluminum or steel. While these metals can be recycled, their initial production requires the extraction of raw materials from the Earth, which is not a renewable process.

D) Electronics: Electronics are made from a wide range of materials, including metals, plastics, and various chemical compounds. The production of electronics involves the extraction of raw materials, many of which are non-renewable resources.

Option C and E.

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Answer:

0.0006 kg

Explanation:

hope this helped

Hydrogen bonding, which is unquestionably what we have, will occur from the intermolecular force between the molecules of H2O and CH3OH. Atoms trade or exchange valence electrons to create bonds.

Trust and self-esteem are developed in children and adolescents through strong emotional ties. After that, they can leave the family and establish wholesome friendships and other types of social ties. Healthy relationships consequently lower a child's chances of emotional discomfort or antisocial behaviour.

The government of a country issues government bonds, a sort of fixed-interest bond. These bonds are thought of as low-risk investments. Examples of different kinds of government bonds include T - bills, Municipality Bond, Zero-Coupon Bonds, and others.

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The molarity(m) of a solution means number of moles of solute by volume of solution in litres.

Molarity is the molar concentration of a solution measured in moles of solute per liter of solution. Solution molarity is the number of moles of solute dissolved in 1 liter of solution. To calculate the molarity of a solution, divide the moles of solute by the volume of the solution, expressed in liters.

Molarity is the amount of a substance in a given volume of solution. Molarity is defined as the number of moles of solute per liter of solution. Molarity is also called the molarity of a solution. Divide the moles of solute by the total volume of the solution in liters. The ratio of the volume occupied by a substance to the amount of substance, usually given at a specific temperature and pressure.

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Answer:

The answer will be 29.4˚C.

Explanation:

Using the formula 5(˚F-32)/9, plug in the numbers and you'll get 29.4˚C.

Answer:

Honey has a higher level of ___viscosity__ than water, so it has a higher resistance to flow.(I'm sorry if it wrong)

Answer: pH=-log[H+]

pH=-log(2.5x10^-4)

pH=3.6

Explanation:

Answer:

thaaaaaaaaaaaannnnkssss

Explanation:

sssssssssssssss

Answer:

jgiuufiydifiydifiyfkhditdihfkcgdraoyfufhkdoyfhvljcohchochcofohfoydoyfiyfohc

Explanation:

kxydutdoufuodyiflfjslufkysluftwykdhmdtwkggjaurq arrival arrival

Answer:

B

Explanation:

it is bigger then earth so it will have a greater mass.

Answer:

B

Explanation:

It has a greater mass HOPE THIS HELPS l_l

The total number of atoms in 3.75 mol of ammonium nitrate, NH4NO3, is equal to the Avogadro's number, which is 6.022 x 10^23, times the number of moles, which is 3.75 in this case.

Thus, the total number of atoms in 3.75 mol of ammonium nitrate is equal to 2.26 x 10^24 atoms.

This number can be further broken down into the number of atoms of each element present in the compound. Ammonium nitrate is composed of two elements, nitrogen (N) and hydrogen (H). For each mole of ammonium nitrate, there are 4 moles of hydrogen atoms and 2 moles of nitrogen atoms.

Therefore, in 3.75 moles of ammonium nitrate, there are 15 moles of hydrogen atoms and 7.5 moles of nitrogen atoms, which is equal to 9 x 10^24 hydrogen atoms and 4.05 x 10^24 nitrogen atoms.

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Answer:

V = 10.12 mL

Explanation:

Given that,

Density, d = 0.79 g/mL

Mass, m = 8 g

We need to find the volume of the object. Density is equal to the mass per unit volume. It can be given by :

\(d=\dfrac{m}{V}\)

Where V is the volume of the object

\(V=\dfrac{m}{d}\\\\=\dfrac{8\ g}{0.79\ g/mL}\\\\V=10.12\ mL\)

So, the volume of the object is 10.12 mL.

it wouldnt let me type it because it said it was too inappropriate

Explanation:

the water cycle is like a life cycle for water. it involves collected water, such as in an ocean, evaporating. also, water evaporates out of plants into the air through stomata. this is called transpiration. the water in the air is gas, now called water vapour. because the sky gets colder as you go up, the water vapour cools to the dew point and condenses, returning to a liquid state. The condensed water forms fall. This is called precipitation. When the precipitation hits the ground, it can do one of two things. It can infiltrate, or be absorbed into the ground. Or it can become runoff, which is the moving water after a rainfall. Then the runoff can join a river to be a part of a collected body of water, which starts the water cycle over again.

thanks, hope this opened up some insight.