am I right or am I wrong what answer is it​

Answer:

A toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17.

Answer:

2.935 miles

Explanation:

because when you convert feet into miles, it all adds up

Answer:

oxytocin is the answer

Explanation:

oxytocin

Taking into account the definition of ionization energy, the correct answer is option c: greater than 735 kJ/mol.

Electrons are held in atoms by their attraction to the nucleus, which means that energy is needed to remove an electron from the atom.

Ionization energy, also called ionization potential, is the necessary energy that must be supplied to a neutral, gaseous, ground-state atom to remove an electron from an atom. When an electron is removed from a neutral atom, a cation with a charge equal to +1 is formed.

The further away the electron is from the nucleus, the easier it is to remove it, that is, the less energy is needed.

The second ionization energy represents the energy required to start a second electron. Its value is always greater than the first ionization energy because the volume of a positive ion is less than that of the neutral atom and the electrostatic force is greater in the positive ion than in the atom.

In other words, the energy required to remove a second electron is called the second ionization energy, and due to the difficulty of removing an electron from a positive particle, its value is greater than that of the first ionization energy.

Finally,  the correct answer is option c: greater than 735 kJ/mol.

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Answer:

Explanation:

Modern analytical chemistry can be defined as a science concerned with the development of general approaches, methods, and tools for the study of chemical compositions of substances and analysis of objects; chemical analysis is restricted to the acquisition of information about chemical compositions of substances.

Answer:

Correct answer is option (3) .

Explanation:

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Answer:

phosphoric

Explanation:

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Answer:

hydrochloric acid is a substance that is a binary acid .

Explanation:

acid should be handled with caution because it is dangerous as it may burn the skin

BH2Cl is a polar compound because the molecule is non-symmetrical.

An ionic bond is usually formed between atoms having a high magnitude of electronegativity difference between them while covalent molecules tend to have a narrower range of electronegativity difference between atoms in the molecule.

In-between the two extremes are the polar covalent bonds which result from a significant electronegativity difference but less than that required for an ionic bond.

The B-Cl bond in BH2Cl is polar and the entire molecule is non-symmetrical hence the BH2Cl is a polar compound.

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Properties of the Akali Earth Metals.

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Answer:

of 160° F. Scrambled eggs need to be cooked until firm throughout with no visible liquid egg remaining.

hope it's help you.

Answer:

144-158°

Explanation:

Answer:

C.

Explanation:

The arrows represent the Earth spinning on its own axis in this picture.

Answer:

Photosynthesis

Explanation:

Answer:

In redox reactions, electrons are transferred from one species to another. If the reaction is spontaneous, energy is released, which can then be used to do useful work. To harness this energy, the reaction must be split into two separate half reactions: the oxidation and reduction reactions. The reactions are put into two different containers and a wire is used to drive the electrons from one side to the other. In doing so, a Voltaic/ Galvanic Cell is created.

Explanation:

When a redox reaction takes place, electrons are transferred from one species to the other. If the reaction is spontaneous, energy is released, which can be used to do work. Consider the reaction of a solid copper (Cu(s)) in a silver nitrate solution (AgNO3(s)).

he AgNO3(s) dissociates in water to produce Ag+(aq) ions and NO­­−3(aq) ions. The NO3-(aq) ions can be ignored since they are spectator ions and do not participate in the reaction. In this reaction, a copper electrode is placed into a solution containing silver ions. The Ag+(aq) will readily oxidize Cu(s) resulting in Cu2+(aq), while reducing itself to Ag(s).

This reaction releases energy. When the copper electrode solid is placed directly into a silver nitrate solution, however, the energy is lost as heat and cannot be used to do work. In order to harness this energy and use it do useful work, we must split the reaction into two separate half reactions; The oxidation and reduction reactions. A wire connects the two reactions and allows electrons to flow from one side to the other. In doing so, we have created a Voltaic/ Galvanic Cell.

The mass of the chlorophenol  is obtained from the number of moles and the volume of the solution.

Recal that;

Number of moles = concentration of solution * volume of solution

Concentration = 47.0 mM  or 47.0 * 10^-3 M

Volume = 1.00 litre

Number of moles = 47.0 * 10^-3 M * 1.00 litre

Number of moles = 47.0 * 10^-3 moles

Also;

Number of moles = mass/molar mass

mass = Number of moles * molar mass

Mass = 47.0 * 10^-3 moles * 128.6 g/mol

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Mass = 6.0442 g

Answer:500 ml

Explanation:

M1 = 0.5

V1 = 100 ml

M2 = 0.1

V2 =??

M1 * V1 =M2 * V2

0.5 M * 100 ml = 0.1 M *V2

V2 =0.5 M * 100 ml /0.1 M

V2 = 500 ml

Answer:

OPTION B .

AS THEY WILL PRODUCE CO,CO2 WHICH WILL MAKE AIR POLLUED AS WELL AS RISE THE TEMPERATURE

Answer:

Lysosomes are predominantly found in eukaryotic animal cells and are responsible for breaking down cellular debris

Explanation:

Answer:

Brick

Explanation:

Answer:

Explanation:

Brick has a heat capacity of 840 J/kg degree Centigrade.

That means that if you have 1 kg of brick, you will need to add 840 joules of heat to get it to go up 1 degree C.

The heat capacity of iron is 450 J/kg (degree centigrade).

Brick has the higher heat capacity. Undefined in all of this is a joule. It is a work unit. The problem is that to define a joule accurately, you need to bring in a lot of other units. Content yourself by understanding that both the iron and the brick are measured in the same units -- Joules.

Answer:

Solvus: A solvus is a line or surface on a phase diagram which separates a homogeneous solid solution from a field of several phases which may form by exsolution or incongruent melting.

Eutectic: Relating to or denoting a mixture of substances that melts and freezes at a single temperature that is lower than the melting points of the separate constituents or of any other mixture of them.

Eutectoid: relating to or denoting an alloy which has a minimum transformation temperature between a solid solution and a simple mixture of metals.

Peritectic: A peritectic reaction is a reaction where a solid phase and liquid phase will together form a second solid phase at a particular temperature and composition.

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Answer:

eight electrons

Explanation:

Oxygen has atomic number eight. This means that the nuclei of all oxygen atoms have eight protons. A neutral oxygen atom will also have eight electrons. In an oxygen ion with a 2− charge, the number of protons is still 8, but the number of electrons is 10.

Answer:

[tex]Fe_2O_3[/tex]

Explanation:

The formula of Rust is Fe2O3 and also known as ferric oxide or iron oxide

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OAmalOHopeO

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Answer:

Ether is the correct answer

Explanation:

It is based.

Answer:

double displacement reaction

Answer:

Explanation:

SEE THE IMAGE FOR SOLUTION

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Answer:

The two ways to measure mass are subtraction and taring.

Chemists prefer ribbon diagrams because they make the tertiary structure of the protein molecule easier to trace.

A protein molecule can be represented using several kinds of models. The ball and stick models which are common representations for other molecules can also be applied in the case of protein molecules.

However, the ribbon diagrams are preferred by chemists because they make the  tertiary structure of the protein molecule easier to trace. Also, the ribbon diagram shows the overall path and organization of the protein backbone in the protein molecule.

This kind of structure was first introduced by  Jane S. Richardson  around 1981.

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Answer:

Ribbon diagrams look like the name they hold- ribbons. Therefore, they would be a good option if one were to trace or copy the diagram onto another document, etc. Also, they depict protein very well so if a chemist were studying different types of protein he/she would utilize a ribbon diagram.

Explanation: