What is the IUPAC name for NH3? ammonia mononitrogen hydride mononitrogen trihydride nitrogen trihydride.

Answer:

OPTION C is correct

When magnesium burns, it combines with oxygen (O2) from the air to form magnesium oxide (MgO) according to the following equation: 2Mg(s) + O2(g) → 2MgO(s) Magnesium oxide is an ionic compound containing Mg2+ and O2− ions whereas Mg(s) and O2(g) are elements with no charges.

Answer:

Potential energy is the stored energy of position possessed by an object.

Potential energy is described as stored energy. Depending on the relative positions of various system components, stored energy. When a spring is squeezed or extended, its potential energy increases.

Potential energy is the power that an item may store due to its position in relation to other things, internal tensions, electric charge, or other circumstances.

A boulder perched precariously atop a cliff. The rock will be moving if it falls, converting the potential energy to kinetic energy. a longbow's stretched-elastic string.

Potential energy is the energy that is stored in any item or system as a result of its location or component arrangement. The environment outside the object or system, such as air or height, has no impact on it. Conversely, kinetic energy is the force that propels the particles of an item or a system into motion.

Since light has no mass and is an example of electromagnetic radiation, it possesses neither kinetic nor potential energy. The remaining forms exhibit both kinetic and potential energy characteristics.

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Answer:

They collect all of the evidence for cases

Explanation:

Answer:

sweat

Explanation:

you get dehydrated in hot weather because your body will release sweat to try and keep you cool

Answer:

Well, the heat can sometimes be very subtle in how it affects the body. If you're out in the sun, it can take just 30 minutes or up to a few hours for the heat to cause dehydration, nausea or it could cause trouble concentrating. When it's hot and humid, your risk of dehydration and heat illness increases. That's because when the air is humid, sweat can't evaporate and cool you as quickly as it normally does, and this can lead to an increased body temperature and the need for more fluids.

I HOPE DAT THIS HELPS :)

Explanation:

This problem is providing the initial volume and pressure of a gas as 675 mL and 1.5 atm and then mentions the final volume as 345 mL and asks for the new pressure of the gas.

Thus, we start off this problem by recalling the concept of Boyle's law as an inversely proportional relationship between pressure and volume:

[tex]P_1V_1=P_2V_2[/tex]

In which we solve for the final pressure, [tex]P_2[/tex] as shown below:

[tex]P_2=\frac{P_1V_1}{V_2} \\\\\\P_2=\frac{675mL*1.5atm}{345mL} \\\\\\P_2=2.93atm[/tex]

Considering we had to cancel out the milliliters to obtain atm as units of pressure.

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Answer: The answer is elastic potential energy

Explanation: Potential energy is stored energy if something is elastic that means the shape or form of an object is being compressed from its original form. Like elastic girl from the incredibles lol. but anyways if you compare somehting to a rubber band it has elastic potential energy Thus the answer is D.

Hope this helps :).

When you bend, stretch, or compress an object from its natural shape, it stores Elastic potential energy.

Elastic energy is the mechanical potential energy held in a material's or a physical system's configuration as it is subjected to elastic deformation as a result of work being done on it. Elastic energy is created when objects are momentarily crushed, stretched, or otherwise deformed.

Because it is stored in the bonds between atoms of an object or substance when it is momentarily stressed, elastic energy is a type of potential energy. The object may have been stretched or compressed, causing this stress.

An object's shape may change as a result of a force operating on it. If stretched or compressed, elastic things can store elastic potential energy. This occurs, for instance, when a spring is stretched or a catapult is utilized.

Thus, option D is correct.

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Answer:liters

Explanation:

The volume v of the solid obtained is 15.08

By using the cylindrical shell method to find the volume v of the solid which can be expressed by the formula;

Then, it is paramount to determine the radius and height of the shell.

From the given information;

Then, the volume v of the solid can be estimated by using the cylindrical shell method as follows;

[tex]\mathbf{V = \int ^1_0 2 \pi (2-x) (8x^3) \ dx}[/tex]

Open brackets;

[tex]\mathbf{V = 2 \pi \int ^1_0 (16x^3 -8x^4) \ dx}[/tex]

Taking the integral form;

[tex]\mathbf{V = 2 \pi \Big [ \dfrac{16x^4}{4}-\dfrac{8x^5}{5} \Big]^1_0}[/tex]

Solving the terms in the bracket

[tex]\mathbf{V = 2 \pi \Big [ \dfrac{16(1)^4}{4}-\dfrac{8(1)^5}{5} -0\Big]}[/tex]

[tex]\mathbf{V = 2 \pi \Big [ 4-\dfrac{8}{5} \Big]}[/tex]

[tex]\mathbf{V = 2 \pi \Big [ \dfrac{20-8}{5} \Big]}[/tex]

[tex]\mathbf{V = 2 \pi \Big [ \dfrac{12}{5} \Big]}[/tex]

[tex]\mathbf{V = \dfrac{24\pi}{5}}[/tex]

[tex]\mathbf{V =15.08}[/tex]

Therefore, we can conclude that the volume v of the solid obtained is 15.08

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Sorting the chemical elements in order from least reactive to most reactive, we have:

1. Fluorine (F).

2. Arsenic (As).

3. Antimony (Sb).

4. Silicon (S).

Given the following chemical elements:

Reactivity can be defined as a chemical property which determines how readily a chemical element bonds with other chemical elements, in order to form a new chemical compound.

Generally, the ability of a chemical element to bond with other chemical elements is largely (highly) dependent on the number of valence electrons it has in the outermost shell of its atomic nucleus.

As a general rule, chemical elements that are having fewer number of valence electrons are the most reactive while those having higher valence electrons are least reactive.

Also, chemical reactivity decreases down a group on the periodic table.

Based on the periodic table, the valency for the given chemical elements are:

In conclusion, sorting the chemical elements in order from least reactive to most reactive, we have:

1. Fluorine (F).

2. Arsenic (As).

3. Antimony (Sb).

4. Silicon (S).

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Answer:

28/95 = 29.,5 % of Arsine decomposed

Explanation:A sample of gaseous arsine (AsH3) in a 460 mL flask at 332 Torr and 223 K, is heated to 437 K, at which temperature arsine decom- poses to solid arsenic and hydrogen gas. The flask is then cooled to 273 K, at which tem- perature the pressure in the flask is 488 Torr. What percentage of arsine molecules have de- composed?

Answer in units of %.

initial pressure 332 Torr initial volume 0.46 L initial temperature 223K

final pressure 488 Torr final volume 0.46 L final 273 K

Torr is 1/760 atm 332 torr = 0.437 atm 488 Torr =0.642 atm

PV = nRT so n=RT/PV

INITIAL n= 0.082 X 223/(0.437)(0.46) = 91 moles

final n= 0.082 X 273 / (.437)(488) = 105 moles

2AsH3----------> 2As + 3H2

x moles of Arsine decomposed to make 1.5 moles of H2

the final number of moles was

(91 -X)+ 1.5 X = 105 moles

91 + 0.5 X = 105

0.5 X = 14

X =28

CHECK

if 28 moles of Arsine , then the container would have

91 --28 + 1.5(28) = 91 +14 =105 check

so 28/95 = 29.,5 % of Arsine decomposed

Your answer

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polyalchemVirtuoso

Answer:

Explanation:

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Answer:

Explanation:

Combination of oxidation and reduction reactions.

Where there is oxidation, there is reduction too.

about 6 to 9 colines

if its from mouth if thats the case

Explanation:

According to Charles law : V/T=k (constant).

the volume temperature relationship will be

V/T = 117.5/25 = 4.7

hope this helps you.

Answer:

It is possible to divide cells into two classifications: eukaryotic cells, which have a nucleus, and prokaryotic cells, which do not possess a nucleus but do contain a nucleoid area. In contrast to prokaryotes, which are one-celled creatures, eukaryotes may be either single-celled or multicellular in nature.

Explanation:

Hope it helps:)

Answer:

on which cloth. since the sub is chemistry. which chemical or mixture or compound

Answer:

A tendon is a fibrous connective tissue that attaches muscle to bone. Tendons may also attach muscles to structures such as the eyeball. A tendon serves to move the bone or structure.

Explanation:

Explanation:

eggsus8d8ruttuririiryrey

The pressure of this gas in atm is equal to 1.63 atm.

Given the following data:

To calculate the pressure of this gas, we would use the ideal gas law equation;

[tex]P=\frac{nRT}{V}[/tex]

Where;

Substituting the given parameters into the formula, we have;

[tex]P=\frac{0.742 \times 0.0821 \times 291}{10.91} \\\\P = \frac{17.73}{10.91}[/tex]

Pressure, P = 1.63 atm.

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Answer:

The awnser is Ionic bond

a.

Ionic bond is a bond in which there is complete transfer of valence electrons between atoms.

The atom that loses the valence electron is called the electron donor while the atom that accepts the electron is called the electron acceptor.

Ionic bond usually occurs between metals and non metals.

Ionic bond is a bond in which there is complete transfer of valence electrons between atoms.

b.

The force of attraction between Na⁺ and Cl⁻ forms the ionic bond.

Since the atoms are now charged, the force of attraction between them forms the ionic bond.

c.

The force of attraction between Mg²⁺ and O²⁻ forms the ionic bond.

Since the atoms are now charged, the force of attraction between them forms the ionic bond.

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An ionic or electrovalant bond is a type of chemical bond, which is formed  from two ions (charged atoms by loosing or gaining electrons) having opposite charges.

Ionic bonds are formed from the transfer of electrons from one atom to another. As the electrons are transferred there occurs a positively charged ions (cations) and a negatively charged ions (anions). These ions are held together in a crystal lattice structure by the strong electrostatic attraction between the positively charged cations and negatively charged anions.

The electrons are transferred as the atoms have tendencies to achieve a stable electronic configuration. They do this to attain a stable atomic structure. By transferring the electrons they attain their octet or duplet.

Sodium chloride(NaCl) is formed when the atom of sodium combines chemically with chlorine atom to generate an ionic compound.

Since sodium has an atomic number of 11, its electronic configuration is 2, 8, 1. There is only one electron in the outermost shell of a sodium atom. Therefore, the sodium atom gives one electron to produce the sodium ion Na⁺.

Chlorine has an atomic number of 17. Hence, its electronic configuration is 2, 8, and 7. The chlorine atom contains seven electrons in its outermost shell and requires one more electron to create the inert gas’s stable, eight-electron configuration. Consequently, a chlorine atom accepts one electron and creates the negatively charged chloride ion (Cl⁻).

When sodium interacts with chlorine, it donates its outermost electron to the chlorine atom, forming a sodium ion (Na⁺) and a chloride ion (Cl⁻) by accepting an electron. The strong electrostatic force of attraction between the newly created ions, holds sodium and chloride ions together to create sodium chloride, Na⁺Cl⁻ or NaCl.

Similarly in the case of Magnesium Oxide (MgO) is formed from the chemical interactions of Magnesium and oxygen atoms, leading to the formation of an ionic compound.

Since magnesium has an atomic number of 12, its electrical configuration is 2, 8 and 2, there is just 2 electrons in the outermost shell of a Magnesium atom. Therefore, the magnesium atom gives two electron to produce the Magnesium ion Mg²+ .

Oxygen has an atomic number of 8. Hence, its electronic configuration is 2 and 6, the oxygen atom contains 6 electrons in its outermost shell and requires 2 more electron to create the inert gas’s stable, eight-electron configuration. Consequently, a oxygen atom accepts 2 electronelectrons and creates the negatively charged oxide ion (O²-).

When magnesium interacts with oxygen, it donates its outermost electrons to the oxygen atom, generating a Magnesium ion Mg²+ .  And an oxygen ion (O²⁻) by acquiring 2 electrons. The attractive electrical force holds magnesium and oxygen   ions together to create sodium chloride,        Mg²⁺ O²⁻ or MgO.

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Answer:

Group 17

Explanation:

Group 16 of nonmetals will react with alkaline earth metals to form a compound in a 1 : 1 ratio. Therefore, option (b) is correct.

Alkaline earth metals or Group 2 includes six elements which are Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba), and Radium (Ra).

This group contains smooth, silver metals with a less metallic character than group 1.  All alkaline earth metals have two valence electrons, giving a valency of 2. These metals easily lose electrons to form compounds via ionic bonds and become more stable.

The valency of calcium is 2 and the valency of the elements of group 16 is also 2. Therefore they can combine 1 : 1 ratio to form a neutral compound.

Ca²⁺    +   O²⁻   →  CaO

Therefore, the nonmetals of group 16 will react with alkaline earth metal.

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Explanation:

The ice cube which was solid has turned into the liquid water because the air temperature is warmer than the freezers. Which means the ice particles gather heat energy from the warmer air. Therefore the ice particles have enough energy to break apart (melt)into smaller particle arrangements.

Answer:

Explanation:

NASA uses rockets to launch astronauts and supplies to the International Space Station. Launching a rocket relies on Newton's Third Law of Motion. A rocket engine produces thrust through action and reaction. The engine produces hot exhaust gases which flow out of the back of the engine

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Answer:

Cell membranes (plasma membranes) help organisms maintain homeostasis by controlling what substances may enter or leave cells.

Answer:

Add Iodine-KI reagent to a solution or directly on a potato or other materials such as bread, crackers, or flour. A blue-black color results if starch is present. If starch amylose is not present, then the color will stay orange or yellow

Answer:

2Be + O2 = 2BeO

its a synthesis

Explanation:

Answer:

see explanation

Explanation:

Break down the following equations into two half equations(One for oxidation, one or reduction )

1. Cu + 2Ag+ ➡️Cu2+ +2Ag

2. Cl2 +2I- ➡️I2 + 2Cl​-

in reaction "1", the copper is being oxidized from 0 to +2 by losing 2 electrons

Cu---->Cu2+   + 2e-in reaction "2

in reaction "1" the silver is being reduced by gaining those 2 e-.

2Ag1+  + 2e----------->2Ag

In reaction "2", the iodine is being oxidized by losing 2 e-

2I- -------------> I2 + 2e

In reaction "2" the chlorine is being reduced by gaining those 2 e

Cl2 + 2e------------> 2Cl-

To solve such this we must know the concept of redox reaction. Therefore, the half reaction for the given reactions can be written as

1. Cu + 2Ag⁺ [tex]\rightarrow[/tex]Cu²⁺ +2A

Cu [tex]\rightarrow[/tex]Cu²⁺   + 2e⁻

2Ag⁺ + 2e⁻[tex]\rightarrow[/tex]2Ag

2.Cl[tex]_2[/tex]+2I⁻ [tex]\rightarrow[/tex]I[tex]_2[/tex] + 2Cl​⁻

2I⁻[tex]\rightarrow[/tex] I[tex]_2[/tex] + 2e⁻

Cl[tex]_2[/tex] + 2e⁻-----------> 2Cl⁻

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.

Redox reaction is a chemical reaction where oxidation and reduction takes place simultaneously. Oxidation is loss of electrons and reduction is gain of electrons. The electron transfer from oxidant to reductant.

1. Cu + 2Ag⁺ [tex]\rightarrow[/tex]Cu²⁺ +2A

Cu [tex]\rightarrow[/tex]Cu²⁺   + 2e⁻

2Ag⁺ + 2e⁻[tex]\rightarrow[/tex]2Ag

2.Cl[tex]_2[/tex]+2I⁻ [tex]\rightarrow[/tex]I[tex]_2[/tex] + 2Cl​⁻

2I⁻[tex]\rightarrow[/tex] I[tex]_2[/tex] + 2e⁻

Cl[tex]_2[/tex] + 2e⁻-----------> 2Cl⁻

Therefore, the half reaction for the given reactions can be written as above.

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crystallization is a process which helps to separate a pure solid from a solution in its crystal form. This is the in use to purify solid. For an example the salt we get from seawater can have many impurities in it. Hence, the process of crystallization is in use to remove these impurities.

Sugar and salt are examples of products where crystallization does not only serve as separation/purification technique, but where it is also responsible for getting crystals with the right size (and shape) for further application of the products.

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Answer:

Crystallization is the process by which a solid forms, where the atoms or molecules are highly organized into a structure known as a crystal. Some of the ways by which crystals form are precipitating from a solution, freezing, or more rarely deposition directly from a gas.

Sugar and salt are two mixtures that can be seperated by crystallization

Explanation:

the answer is using rollers in conjunction with inclined plane.