What is the percent composition of chlorine in the compound Ba(ClO3)2?

Phosphorus ion  have 3 extra electrons which create a valence of -3.

The correct answer is P3-

Ions combine with other elements and combination in one atom of phosphorus with four atoms of oxygen will create phosphorus ion PO4^3- .

Phosphorus atom has to render 3s electrons to oxygen atom of phosphoryl group.

Phosphorus become positively charged and oxygen becomes negatively charged.

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Answer:

d) Solid water

Explanation:

because it's particles are more fixed together ( least apart ), so their mobility and conductivity is very low hence lowest kinetic energy.

Answer:

d. Solid water

Explanation:

example ice

Answer:

Explanation:

Explanation:

What you need to know.

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A polar bond is when atoms have unequal attractions for electrons and so the sharing is unequal.

Electromagnetivity is the ability of an atom to attract electrons when atoms are in a compound.

To determine the electromagnetivity of an atom:

< 0.5 - Non-Polar

0.5 - 1.7 - Polar

Therefore, unequal sharing results in either a hydrogen or dipole bond.

Hydrogen bonding is just a special case of dipole-dipole interactions as hydrogen is partially positive in the molecule. When covalently bonded to a highly electronegative element, the hydrogen atom becomes so highly partial positive while the other so partial negative that a higher amount of interaction is obtain.However, keep in mind that hydrogen bonding can ONLY occur when hydrogen is covalently bonded to fluorine, oxygen and nitrogen.

A dipole-dipole interaction occurs between opposite partial charges in polar molecules. These attractions are generally weaker than hydrogen bonding.

London dispersion forces occurs in all bonds, as it's a temperorary attraction force when electrons in an atom occupy positions that form temporary dipoles. It's notable particularly in noble gases and it's the weakest of the intermolecular forces.

Answer:

the object will regain its original form as soon as the deforming force is removed. ... Flexibility means the object is just easily deformed, and will stay that way.

Explanation:

Answer:

a. liquid

b. solid

c. gas, (should be at it's boiling point)

Explanation: If the normal melting point of a substance is below room temperature, the substance is a liquid at room temperature. Benzene melts at 6°C and boils at 80°C; it is a liquid at room temperature. If both the normal melting point and the normal boiling point are above room temperature, the substance is a solid.

if you need an explanation to each lmk

The nuclide represented as X is thorium and this is an alpha decay.

The equation shown represents an alpha decay. In an alpha decay, an alpha particle is given off.

The atomic number of the parent nuclide is greater than that of the daughter nuclide by two units while the mass number of the parent is greater than that of the daughter nuclide by four units.

Hence the equation occurs as follows;

[tex]\frac{232}{92} Th ------> \frac{228}{88} Ra + He[/tex]

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There are various variants of Cov id virus. The Brazilian variant P also known as Gamma variant is the third variant of the original SARS-CoV2.

The correct answer is more negative

This variant has raised concerns since it has ability to spread more quickly then previous variants and this is more negative variant.

It is assumed that Cov id variant Gamma and Delta has ability to absorb move UV light but this is not proved yet and research is underway.

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Based on a pH scale, the chemical compound which is classified as an acid is: A. Hydrogen fluoride (HF).

A pH scale can be defined as a tool that is designed and developed for the measurement of the molar concentration of hydrogen ions (H⁺) in both acidic and alkaline (basic) solutions.

This ultimately implies that, a pH scale can be used to measure and specify the acidity, neutrality or basicity of any chemical solution.

In this scenario, the pH of each of the given chemical compound are as follows:

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Answer:

deuterium is heavier isotope of hydrogen need

high weight of atom will lead to higher boiling point

Answer:

since temperature is proportional related to temperature, if temp. is doubled, then volume will double as well

A sample of gas is held at constant pressure. If the number of moles of this sample of gas is halved and the absolute temperature of this sample of gas is doubled, then the volume of gas is doubled. Therefore, option A is correct.

The SI unit for pressure is the pascal (Pa), which is equal to one newton per square meter (N/m2) of force per unit area of surface. An object's pressure is inversely proportional to the area it is pressing on and inversely proportional to the force it applies.

To keep the pressure and volume product constant, if the pressure is cut in half, the volume must be doubled. Therefore, the volume will double if the pressure on a gas is reduced by half.

As the gas volume decreases, the molecules hit the walls more frequently, increasing the pressure; conversely, as the volume grows, the molecules must travel a greater distance before hitting the walls.

Thus, option A is correct.

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Answer:

Explanation:

H = 0.44/1.01 = 0.4356

O = 6.92/16 = 0.4319

This gives a 1:1 ratio. So the closest thing you could say is the formula is 0H

Going to your chemical storage room, you could justify that it is H2O2 or hydrogen peroxide. The question needs one more fact to make the answer certainty.

Answer:

Higher than

Explanation:

The boiling point of a solution is a colligative property

Atoms present ∝ Colligative Property (Boiling Point)

Since KCl is a strong electrolyte, it completely dissociates into K⁺ and Cl⁻ ions, which doubles the number of atoms as compared to what was initially added

Now it's competition is very weak, Pure water has nothing else dissolved in it. which means that our solution will have much higher boiling point as compared to Pure Water

Answer:

0.50 mole of KCI, a strong electrolyte, is added to 2.0kg of water. The boiling point of the solution will be higher then the boiling point of pure water.

Explanation:

factors affecting chemical bonds

a. electronegativity difference

b. size

c. charges

characteristics of Ionic bond

a. high melting point

b. they are soluble in polar solvents

c. they don't conduct electricity in solid state

characteristics of covalent bonds

a. they are insoluble in polar solvents

b. they don't conduct electricity

c. low melting point

1) Based on the crystal field strength, Cl ligand would give the longest d-d transition when complexed with Ti(III). as this is the weak field igand and would cause minimum splitting of d orbitals.

Answer:

C: The clothing company used technological design to create a product that helped aid researchers conducting a scientific investigation.

Explanation:

I just did the assignment on EDGE2020 and it's 200% correct!  

Also, heart and rate if you found this answer helpful!! :) (P.S It makes me feel good to know I helped someone today!!)  :)  

Answer:

D. -80m/s^2

Explanation:

V = u + at

5 = 65 + a (0.75)

0.75a = -60

a = -60/0.75

a = -80m/s^2

Therefore, is decelerating at 80m/s^2

Answer:

[tex]\boxed {\boxed {\sf D. \ 80 \ m/s^2 \ down}}[/tex]

Explanation:

We are asked to find the acceleration of a skydiver. Acceleration is the change in velocity over the change in time, so the formula for calculating acceleration is:

[tex]a= \frac{v_f-v_i}{t}[/tex]

The skydiver was initially traveling 65 meters per second, then he slowed down to a final velocity of 5 meters per second. He slowed down in 0.75 seconds.

[tex]\bullet \ v_f = 5 \ m/s \\\bullet \ v_i= 65 \ m/s \\\bullet \ t= 0.75 \ s[/tex]

Substitute the values into the formula.

[tex]a= \frac{ 5 \ m/s - 65 \ m/s}{0.75 \ s}[/tex]

Solve the numerator.

[tex]a= \frac{-60 \ m/s}{0.75 \ s}[/tex]

Divide.

[tex]a= -80 \ m/s^2[/tex]

The acceleration of the skydiver is -80 meters per second squared or 80 meters per second squared down. The skydiver is slowing down or decelerating, so the acceleration is negative or down.

The terms that describe sodium atom are;

The terms that describe propane gas are;

Sodium can be described as an element found in the periodic table. Sodium can also be described as an atom as in when we make the statement; 'an atom of sodium'. Sodium can also be regarded as a pure substance as in when we are referring to a substance composed only of sodium atoms.

On the other hand, propane gas can be regarded first as a compound because it is a combination of elements that are chemically combined together. We can also refer to 'a molecule of propane gas' since the substance is molecular in nature. Also, the pure gas (containing no impurity) can be regarded as a pure substance.

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Spontaneous generation theory is that living organisms can arise by non living things.

This theory follows the concept of abiogenesis where there is non living parent for a living child.

The appearance of maggots from rotten meat is the idea of abiogenesis, this creates a living organism with a dead parent.

The rotten piece of meat is a non living object but still maggots were formed from this.

Therefore the correct answer is B.

Answer:

a

Explanation:

Answer:

D

Explanation:

When a conclusions is shared it gives room for other scientist with other ideas or different perspective to raise up new questions

A scientific method is a method of establishing the data through experiments. It is a cyclic process that involves the sharing of conclusions leading to new questions. Thus, option D is correct.

A scientific method is a procedure that uses the knowledge and known information to conduct researches and experiments to reach an outcome or conclusion.

It is not a linear process and rather a cyclic process that involves the feedback mechanism that leads to the discovery of new information and question.

When an experiment is done to conclude the hypothesis the conclusion reached can lead to new questions as it can introduce new ideas and topics that can be further investigated.

Therefore, option D. scientific method is a cyclic method as the conclusion can sometimes lead to new ideas and topics.

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Answer:

group 1 elements(hydrogen,sodium,etc)

Explanation:

bexause if noticed all the element in the same group have the same eletron in thr outer most shell for example the group 1 elements are said to have 1 outermost elect ron which make them react so the same

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.

.

hope it will helps

Answer:

the quantum mechanical model VS. Neils Bohr of the atom

Explanation:

The Bohr model and quantum model are models that explain the structure of an atom. ... The key difference between Bohr and quantum model is that Bohr model states that electrons behave as particles whereas quantum model explains that the electron has both particle and wave behavior.

Answer:

fossil fuels are non-renewable resources .

Answer:

1) Photosynthesis

Photosysnthesis is the process in which plantsand some other organisms usethe energy in sunlight to make food.

2) Chloroplast

Chloroplast is a green pigment that traps energy from the sun.

3) Cell Wall

Cell wall is a stiff structure that surrounds and protects a cell; found in plant, fungus, and some bacteria cells.

4) DNA

DNA is found in the nucleus of a cell, a long nucleic acid molecule containingthe

genetic instructions for the development and functioning of all living organisms.

5) Cell Organeles

Cells is living things consisting of many cell organeles

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The volume occupied by the given amount of sulfur dioxide will be 84 L.

please show working my dear citizen

Answer:

a. is released in the process

Explanation:

In fusion reaction the nucleus is unstable so it releases its binding energy resulting in decreasing its mass so it becomes more stable.

Explanation:

why is because I never did this class

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Answer:

53.28%

(you could also write 55.33%, but I rounded it so just go with the answer above ---> 53.28%)

Explanation:

Answer:

c is answwe

Explanation:

none of these

The difference between voltaic and electrolytic cells is that voltaic cells generate electricity through a spontaneous reaction while electrolytic cells absorb electricity to drive a non-spontaneous reaction. option A is correct.

Voltaic cells are spontaneous chemical reaction happens at which results in the generation or production of electrical energy or electricity. voltaic cell are made on basis on with modern-day batteries.

Electrolytic cells are the cells which do not generate  electricity with the help of a chemical reaction, instead of it electrolytic cell creates a useful chemical reaction with the help of an externally applied potential or external applied energy difference.

Therefore, voltaic cells generate electricity through a spontaneous reaction while electrolytic cells absorb electricity to drive a non-spontaneous reaction. option A is correct.

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