What is the term used to describe a change in motion?

Answer:

41

Explanation:

mate u literally just have to substitute the values into ur formula. u would then get 20 times 2.5 which is 41

Fertilization occurs in the fallopian tubes, while implantation occurs in the uterus.

Fertilization: Fertilization is the process by which a sperm cell from a male and an egg cell (ovum) from a female combine to form a zygote, which is the first stage of a new individual. Fertilization typically occurs in the fallopian tubes, also known as the uterine tubes or oviducts. When a woman ovulates, an egg is released from one of her ovaries and travels through the fallopian tube toward the uterus. If intercourse occurs during this time and sperm are present in the reproductive tract, they can swim through the cervix, enter the uterus, and reach the fallopian tubes. Fertilization most commonly occurs in the ampulla, which is the widest part of the fallopian tube. Once inside the fallopian tube, the sperm must navigate through the tubal environment and reach the egg. The sperm cells undergo a process called capacitation, which involves changes that enable them to penetrate the egg's outer layer. Eventually, one sperm cell successfully penetrates the egg, and their genetic material combines, forming a zygote.

Implantation:After fertilization, the zygote begins to divide and develop   a multicellular structure called a blastocyst. The blastocyst then travels through the fallopian tube and reaches the uterus, where it needs to implant for further development. Implantation refers to the process in which the blastocyst attaches itself to the lining of the uterus, known as the endometrium. The endometrium undergoes changes during the menstrual cycle to prepare for potential implantation. If the blastocyst successfully implants into the endometrium, it establishes a connection with the maternal blood vessels, allowing it to receive oxygen and nutrients from the mother's body.

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It's important to note that the tautomeric forms of fluorescein can exist in equilibrium, and the relative stability of each tautomer depends on various factors such as solvent conditions, pH, and temperature.

1. Lactone Tautomer to Zwitterionic Tautomer:

In the case of fluorescein, the lactone tautomer can convert to the zwitterionic tautomer through a process known as intramolecular proton transfer. The lactone tautomer contains a carbonyl group (C=O) and a hydroxyl group (OH) connected to a carbon atom. The intramolecular proton transfer involves the transfer of a hydrogen atom from the hydroxyl group to the oxygen atom of the carbonyl group, forming a zwitterionic structure.

2. Zwitterionic Tautomer to Quinoid Tautomer:

The zwitterionic tautomer of fluorescein can undergo a rearrangement to form the quinoid tautomer. This rearrangement typically involves the migration of a hydrogen atom from one position to another within the molecule. The exact mechanism for this process can be complex and may involve multiple steps. However, the end result is the conversion of the zwitterionic structure to the quinoid structure, which has a different arrangement of double bonds within the molecule.

It's important to note that the tautomeric forms of fluorescein can exist in equilibrium, and the relative stability of each tautomer depends on various factors such as solvent conditions, pH, and temperature. The actual mechanisms and energies involved in these tautomerization processes can be studied using experimental techniques and computational methods like quantum chemistry calculations.

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The element is Neon
The protons is the same as the atomic number (10 protons)
The electrons are the same as the number of protons in a neutral atom (10 electrons)
The neutrons can be found by subtracting the protons from the atomic mass (22-10=12 neutrons)

Answer:

Titanium (III) bromide

Explanation:

As it is an ionic compound we write the valency for transition elements, and that means here that titanium loses three electrons to become +3 (Ti

The name of the compound is titanium (III) bromide as it has titanium in +3 oxidation state.

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:

1)Molecular compounds where in atoms are joined by covalent bonds.

2) ionic compounds where atoms are joined by ionic bond.

3)Inter-metallic compounds where atoms are held by metallic bonds

4) co-ordination complexes where atoms are held by co-ordinate bonds.

They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.

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Answer:

decomposition is the correct answer

As per given statement as follows:-

generally, independent variables are the one manipulated by investigators and study effects. Dependent variables are the measurements and observation by the data collected.

Experimental group are the participants exposed to the  independent variable and control group the participants treated same as experimental group but not  exposed to independent variables.

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The partial pressure of N₂ = 0.158 atm

The partial pressure of H₂ = 3.6 atm

The partial pressure of NH₃ = 0.22 atm

Mass of N2₂ = 4.97 g

Molar mass of N₂ = 28 g/mol

Mass of H₂ = 8.80 g

Molar mass of H₂ = 2 g/mol

Mass of NH₃ = 4.2 g

Molar mass of NH₃ = 17 g/mol

Total pressure (Pt) = 3.97 atm

Partial pressure of N₂ = ?

Partial pressure of H₂ = ?

Partial pressure of NH₃ = ?

First, we will find out the number of moles of each component

    Number of moles = mass / molar mass

    Number of moles of N₂ = 4.97 g / 28 g/mol

    Number of moles of N₂ = 0.1775 mol

    Number of moles of H₂ = 8.08 g / 2 g/mol

    Number of moles of H₂ = 4.04 mol

    Number of moles of NH₃ = 4.22 g / 17 g/mol

    Number of moles of NH₃ = 0.2482 mol

Total number of moles = 0.1775 mol + 4.04 mol + 0.2482 mol

Total number of moles = 4.4657 mol

Now find out the partial pressure for each component

partial pressure = number of moles of each / total number of moles × total pressure

    partial pressure of N₂ = (0.1775 mol / 4.4657 mol) 3.97 atm

    partial pressure of N₂ = (0.0397 mol) 3.97 atm

    partial pressure of N₂ =  0.158 atm

    partial pressure of H₂ = (4.04 mol / 4.4657 mol) 3.97 atm

    partial pressure of H₂ = (0.9047 mol) 3.97 atm

    partial pressure of H₂ = 3.6 atm

    partial pressure of NH₃ = (0.2482 mol / 4.4657 mol) 3.97 atm

    partial pressure of NH₃ = (0.0556 mol) 3.97 atm

    partial pressure of NH₃ = 0.22 atm

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The scenario where the editor is slanting the article in favor of video games shows bias in gatekeeping. Option A is correct.

Gatekeeping refers to the process of deciding which information is presented to the public through media channels. Bias in gatekeeping occurs when the gatekeeper, such as an editor, presents information in a way that reflects their own personal views or interests, rather than presenting a balanced and objective view of the topic.

In the scenario where the editor is slanting the article in favor of video games, the editor is exhibiting bias in gatekeeping by presenting a one-sided view of the topic. This could involve highlighting positive aspects of video games while downplaying or ignoring negative aspects. By doing so, the editor is not presenting a balanced perspective on the topic, and is instead promoting their own personal views or interests. Option A is correct.

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Answer:

I think is option A) don't knkow though.

Explanation:

Sorry if wrong.

A Scientist test a small section of a carrot root to determine the type of molecules were present. the results showed that the molecule contained carbon , hydrogen , and oxygen . the option d is correct (d) both (a) and (c)

(a)the molecule are a type of carbohydrate (c) the carrot contains some type of sugar.

Carrot is one of the important root vegetable rich in bioactive compounds. carbohydrates are made up of carbon , hydrogen and oxygen. carbohydrates are sugar molecules. The main three carbohydrates : sugar , starches and fiber. The carrot vegetable we eat is the taproot of carrot plant. The sucrose is major transport and storage sugar but it convert into starch. Carbohydrates provides energy for living things.

Thus, A Scientist test a small section of a carrot root to determine the type of molecules were present. the results showed that the molecule contained carbon , hydrogen , and oxygen . the option d is correct (d) both (a) and( c)

(a)the molecule are a type of carbohydrate

(c) the carrot contains some type of sugar.

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The positive energy protons and negative electrons balance out.

    choline has different ionization energies in CCl4CCl4Cl, it is more electronegative than C and has a negative oxidation number because it “picks up” an electron in a bond, and in HClOHClO, it is less electronegative than O Therefore, it has a positive oxidation number. Hence "lose". "Electrons in bonds

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34.5-g

-

19.3-g

+1.0-g

=

2 6 . 2-g

The density of water is 1.0 g/ ml and the density of gold is 19.3 g/cm. So the volume of the object will be 1.78 milliliters.

What is density?

The density of the object is mass per unit volume. If the mass of the object increase then the density will increase.

Density= Mass/ Volume.

19.3= 34.5/ volume

Volume= 34.5/ 19.3

Volume= 1.78 mililiter

The density of water is 1.0 g/ ml and the density of gold is 19.3 g/cm. So the volume of the object will be 1.78 milliliters.

This is not a surprise, but actually almost all of the volume of an iceberg is below the water line, not above it. This is due to ice's density being less than liquid water's density. Upon freezing, the density of ice decreases by about 9 percent.

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Answer:

i looked it up on google and i kept seeing mass if that helps, ill copy and paste it

Explanation:Electrons are much smaller in mass than protons, weighing only 9.11 × 10-28 grams, or about 1/1800 of an atomic mass unit. ... Electrons contribute greatly to the atom's charge, as each electron has a negative charge equal to the positive charge of a proton.

False. While barium sulfate is insoluble in a strongly acidic solution, it is not the only barium salt that remains insoluble. Other barium salts such as barium chromate and barium carbonate also remain insoluble in a strongly acidic solution.

Barium sulfate is a white crystalline solid that is odorless and insoluble in water. It has the chemical formula BaSO4 and is commonly used as a contrast agent in X-ray imaging of the digestive system. It is also used as a filler in plastics, paints, and other materials, as well as in the production of other barium compounds.

Because of its low solubility, barium sulfate is relatively non-toxic compared to other barium compounds. However, if ingested in large amounts, it can cause gastrointestinal issues such as nausea, vomiting, and diarrhea.

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Answer:

                                                    United States

Molecules themselves can move in any direction, they can rotate, and they can vibrate as the atoms within a molecule move back and forth relative to each-other, as if the chemical bonds connecting them were springs. Answer 5: They bounce around and wiggle and jiggle around.

                                                Soviet Union

In terms of actually transporting this east, any and every means was used. Rail was obviously key - the evacuation alone used some 1.5 million rail cars in 1941 - but trucks were also used. Korolev planned to move forward with the Soyuz craft and N-1 heavy booster that would be the basis of a permanent crewed space station and crewed exploration

I’m so sorry if it’s wrong I tried my best

The major product produced through bromonium ion intermediate is 1,4-dibromobenzene.

It is also possible that a side reaction could occur in this reaction. The stilbene and hbr will react with each other to form 1,4-dibromobenzene and hydrogen peroxide, which can be further oxidized to produce carbon dioxide gas.

However, the reaction conditions are not ideal for producing dibromotoluene. The most important thing to remember about this reaction is that hydrobromic acid is added to stilbene first, and then hydrogen peroxide is added afterwards. If stilbene and hbr reacted with each other, there would be no other molecules involved in the reaction because they both contain bromine.

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Answer:

when u press the brakes

Explanation:

the newton third law of motion is applied on tyres

Answer:

NEWTONS SECOND LAW,

both vehicles have the same speed, but the truck has a larger mass than the car,

so according to F=mass× acceleration

the truck driver has to apply much force than the car driver

Answer:

2.7 mL

Explanation:

The equation of the reaction is;

2AlBr3 + 3Cl2 -----> 2AlCl3 + 3Br2

Number of moles in 2.12 x 1022 formula units of aluminum bromide

1 mole of AlBr3 = 6.02 * 10^23 formula units

x moles = 2.12 x 1022 formula units

x = 2.12 x 1022 formula units  * 1 mole/ 6.02 * 10^23 formula units

x = 0.0352 moles of AlBr3

According to the reaction equation;

2 moles of AlBr3 produces 3 moles of Br2

0.0352 moles of AlBr3 produces 0.0352 moles  *  3 moles /2 moles

= 0.0528 moles of Br2

Mass of Br2 produced = 0.0528 moles of Br2 * 159.808 g/mol

Mass of Br2 produced = 8.44g

But density = mass/volume

volume = mass/density

volume of Br2 = 8.44 g/ 3.12 g/mL

volume of Br2 =  2.7 mL

Answer:Aluminum metal in silver nitrate ….

You might be expecting silver metal, Ag, and aluminum nitrate, Al(NO3)3, as products. But instead all you will end up with is wet aluminum. The passivating layer of Al2O3 will prevent aluminum from reducing silver ions.

Explanation: Al(s) + AgNO3(aq) → No reaction

The two things we might do to the mixture to disrupt the Al2O3 surface will cause the Ag+ ions to react. Often a source of chloride ion is used because AlCl4^- will form, exposing the aluminum surface. But that will cause AgCl(s) to precipitate. You can also make the solution basic with NaOH and form Al(OH)4^-, but that will cause Ag2O(s) to form. (You will get Ag2O instead of AgOH.)

Concentrated acids will oxidize any aluminum metal that might be exposed if you were to add concentrated HNO3. That would simply enhance the

The glycemic index (GI) is a measure of how quickly carbohydrates are digested and absorbed by the body, causing a rise in blood sugar levels. The lower the GI, the slower the digestion and absorption of carbohydrates, and the less of an impact they have on blood sugar levels.

Among carbohydrate molecules, fructose has the lowest glycemic index. This is because fructose is a simple sugar that is metabolized differently than other carbohydrates. It is absorbed more slowly in the intestine, and its metabolism does not require insulin. This means that fructose has a minimal effect on blood sugar levels, making it a good choice for people with diabetes or those who want to avoid rapid spikes in blood sugar.

However, it is important to note that consuming large amounts of fructose can have negative health effects, such as contributing to insulin resistance, fatty liver disease, and obesity. Therefore, it is important to consume fructose in moderation and as part of a balanced diet.

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SF₆

Molar mass: 146.06 g/mol

mole = 25 : 146.06 = 0.171

molecules:

=0.171 x 6.02 x 10²³

=1.03 x 10²³

Answer:

Experiment one.

You want to find out the absence of a certain mineral so you will take away the mg of nutrients.:

The mass of water that can be made would be 36.03 grams.

From the balanced chemical equation:

1 mole N2H4 produces 4 moles H2O2

0.750 mole N2H4 will produce = 0.750 x 4/1 = 3.000 moles H2O2 (limiting reactant)

0.500 mole H2O2 is used, which is less than the amount produced by N2H4, so it is also a limiting reactant.

Now, we can use the mole ratio between H2O2 and H2O to calculate the moles of water produced:

1 mole H2O2 produces 4 moles H2O

0.500 mole H2O2 will produce = 0.500 x 4/1 = 2.000 moles H2O (limiting reactant)

Finally, we can use the molar mass of water to convert the moles of water to grams:

2.000 moles H2O x 18.015 g/mol = 36.03 g H2O

Therefore, 36.03 grams of water can be made from the given amounts of N2H4 and H2O2.

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Answer:

DNA is a complex, long-chained molecule. DNA contains the genetic blueprint for building and maintaining all living organisms. Found in nearly all cells, DNA carries the instructions needed to create proteins, specific molecules essential to the development and functioning of the body.

Answer:

See below.

Explanation:

A dynamic equilibrium in chemistry refers to a situation in which the reaction of reactants to form product(s) in which the products can reverse the reaction by falling apart and back to the reactants.  Reactions that go to completion are irreversible.  In cases where reactants form products (in a forward reaction), but the products can change back into reactants (in a reverse reaction) are called reversible.

An example is the reaction of carbon dioxide with water to form carbonic acid (think soft drinks).

     CO2(g)+H2O(l) ⇌ H2CO3(aq)

As anyone who has opened a warm can of soda knows, it can erupt suddenly and spray anyone nearby with a shower of bubbly, and sticky, soda.  Carbonic acid is unstable and will happily decompose back to it's reactant molecules if given the chance.

Experience tells us what to expect when giving a brother or sister a can of warm soda that you've shaken hard for a minute.  But if you are a chemist, such responses aren't always easy to predict with a new reaction.  Equilibrium constants were developed to provide a means for presdicting the exstent of these reactions.  They are used in equilibrium equations to predict the concentrations of products and reactants, given conditions of temperature and pressure, under defined conditions of temperature and pressure.

The equations themselves include concentrations as the key input.  In the carbonic acid example, if one were to add excessive amounts of one of the reactants, one would expect the equilibrium to "shift to the right."  This simply means that more carbonic acid would be made.  The chances of the forward reaction increase as concentration increases.  The amount of CO2 given off as a gas depends on the concentration of the CO2 in the gas phase, which is given by the partial pressure of the gas.

The space above the soda and the cap represents one place that the CO2(g) can escape the solution.  The CO2 pressure in the gas phase is a measure of it's concentration.  An equilbium calculation takes this concentration in account when decidng how much much of each component is present.  Other compouns that are present may also impact the equilibrium since they may interfere with one of the reaction steps.  Pressure and emperature either dirctly impact the concentration (e.g., gases) or they affect the "effective" concentrations of the compunds.  A higher temperature creates more collisons between reactant molucules that may change the equilibrium constant..

Answer:

Fluorine    

Chlorine

Bromine

Iodine

Boiling point increases as you go down the group v11

Explanation:

The elements of Group VII  are the halogens consisting of f fluorine (F), chlorine (Cl), bromine (Br), iodine (I).  All of which are non metals and exists  as diatomic molecules - F2, Cl2, Br2, I2 with  intermolecular attractions between the two molecules of each element held by Van der Waals dispersion force.

Moving down the group, the size of the atoms increases in size from Fluorine, F2 and Chlorine, Cl2 which are gases to Bromine , Br2 which exists as a liquid to solid, Iodine, I2. This attributes to the increasing in Strength of the Van der Waals forces as you go down the group. In order to break the vanderwaals forces , More heat energy is required to change thier states  leading to the increase in  boiling point going down the group.

Fluorine    

Chlorine

Bromine

Iodine

Boiling point increases as you go down the group