A baseball’s resultant velocity is 17.23 m/s, at 26.02° from the level ground. Determine the horizontal component of the baseball’s velocity.

The correct answer is a) Volume is directly proportional to the number of moles.

The Volume is directly proportional to the number of moles according to the Ideal Gas Equation.

Ideal Gas Equation is given as:

PV = nRT

where, P is the Pressure of the gas

V is the Volume of the gas

n is the number of moles of gas

R is the Universal Gas Constant

T is the Temperature

Since, it can be seen from the Ideal Gas Equation that the Volume is directly proportional to the number of moles, Universal Gas Constant and Temperature.

Similarly, Pressure is directly proportional to the number of moles, Universal Gas Constant and Temperature.

Also, the Pressure is inversely proportional to the volume of the gas.

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The density of the chocolate, given the data is 11.15 g/cm³

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

The following data were obtained from the question:

The density of the chocolate can be obtained as follow:

Density = mass / volume

Density of chocolate = 633.6 / 568.176

Density of chocolate = 11.15 g/cm³

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I have 82 ml of a solution with a molarity of 5.3 m nabr. We can make 395.1 ml ,1.1M  NaBr solution from 82 ml of 5.3 M NaBr solution.

What is molarity?

The number of moles of solute per litre of solution is known as molarity or molar concentration, and it may be determined using the equation: To convert between the mass or moles of solute and the volume of the solution, utilise molar concentration.

The ratio of the moles of the solute whose molarity needs to be calculated is multiplied by the volume of solvent needed to dissolve the supplied solute.

Molarity (M) = moles of solute ÷ liters of solution

I have 82 ml (= 0.082 liter)  of a solution with a molarity 5.3 M NaBr. Here the moles of solute is-

        5.3 = Moles of solute ÷ 0.082

Or,   Moles of solute =  0.4346 moles

Now if we dilute the 82 ml, 5.3 M NaBr solution to make a new solution with a molarity of 1.1 M , the total volume of the new solution will be-

       1.1 = 0.4346 ÷ liters of solution

Or,   liters of solution = 0.3951

0.3951 liters = 395.1 ml

So,  we can make 395.1 ml ,1.1M  NaBr solution from 82 ml of 5.3 M NaBr solution.

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A cell containing 97% h₂o is placed into a 90% h₂o  solution. the solution is to the cell and there the size of the cell will shrink .

             Solute + Solvent = Solution

The cell will cremate because the water in the solution will gets released and there the state of equilibrium exists and that can be determined as Hypertonic solution.

A liquid that has a higher concentration of dissolved particles than regular cells and blood do, like salt and other electrolytes. For instance, wounds are soaked in hypertonic liquids.

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The answer would be mantle rocks i.e., the partial melting of mantle rocks will yield basaltic magma, diorite granite peridotile rhyolite andesite.

The mantle rocks are partially melted because the mantle is comprises of many various kinds of minerals, it does not melt accordingly. As minerals with lesser melting points converted into liquid magma, those with inflated melting points endure as solid crystals. This method is called as partial melting.

The properties that aim partial melting Rocks is because of decompression, heat input, or addition of a flux.

Mantle rocks are also known as semi molten rocks , generally silicates are found there.

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Re absorption of H[tex]CO_{3}[/tex] and excretion of H+ restores acid-base balance through the renal control mechanisms.

What is renal mechanism?

The renal system consists of the kidney, ureters, and therefore the urethra. the general function of the system filters approximately 200 liters of fluid a day from renal blood flow which allows for toxins, metabolic waste products, and excess ion to be excreted while keeping essential substances within the blood

Why is renal function important?

Renal function is important for homeostasis. The kidneys play important pleiotropic roles including removal of metabolic waste products and maintenance of water–electrolyte balance and vital sign . Early diagnosis of renal dysfunction and institution of appropriate therapy are vital to survival.

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The molecule in this pizza is a "protein" because it is already mentioned and cleared from the question that it is a polymer, hydrophilic, and it's made up of oxygen, hydrogen, and sulfur atoms.

Explanation :

Amino acid is a simple term defined as an organic chemical compound that comprises of an acidic carboxyl group (COOH), a basic amino group (NH_2NH2).

It is unique chain group.

Protein : The hydrophilic, macromolecule (polymer) that is made as a result of the unison of the chain of the many amino acids is known as Protein.

Protein normally comprises of various elements such as Oxygen (O2), Hydrogen (H2), Sulphur atoms.

Hence, it is pretty much clear from the above explanation that molecule in a pizza that is a polymer, has O2, H2 and Sulphur atoms and that is also hydrophilic is a molecule of "Protein".

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If solution of Co(NO3)3 and KOH are mixed then following reaction will occur:

Co(NO₃)₃ + KOH → Co(OH)₃ + KNO₃

let us balance the equation:

Co(NO₃)₃ +3 KOH → Co(OH)₃ +3 KNO₃

Now we will split strong electrolyte into ions:

Co³⁺ + 3NO₃⁻ + 3K⁺ + 3OH⁻ = Co(OH)₃  +   3K⁺ + 3NO₃⁻

So the net ionic equation will be

Co³⁺  + 3OH⁻ = Co(OH)₃  

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(IR) spectroscopy analyses a sample using infrared radiation. nuclear magnetic resonance (NMR) spectroscopy makes use of the spin states of protons and, to a lesser degree, other nuclei.

what is spectroscopy-infrared (ir) spectroscopy and nuclear magnetic resonance (nmr) spectroscopy?

As the name suggests, infrared (IR) spectroscopy analyses a sample using infrared radiation, which is a range of frequencies below the visible spectrum. However, IR spectroscopy works with wavenumbers as opposed to describing the light in terms of frequencies (the reciprocal of wavelength).

In order to identify a molecule, nuclear magnetic resonance (NMR) spectroscopy makes use of the spin states of protons and, to a lesser degree, other nuclei. The two spin quantum states that we identified as +1/2 and -1/2 for electrons are possible.

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To get 85g of nickel, 0.304 kilogram of the ore must be mined.

27.9% of what = 85g

0.279 * x = 85

x = 304.6g = 0.304kg

What is ore?

Ore is a naturally occurring rock or silt that has one or more precious minerals in it that may be extracted, processed, and sold for a profit. Metals are the most common valuable minerals found in ore. To remove the valuable metals or minerals from ore, it is mined from the earth and then processed or refined, frequently by smelting.

An ore is a naturally occurring collection of minerals from which metals can be profitably extracted. Originally, the term "ore" solely referred to metallic minerals, but today it also refers to nonmetallic materials that have been deposited in rock after it has formed.

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The chemical formula for octane is: ch3ch26ch3 114073 is the molar mass of octane.

The molar mass of a chemical compound is determined in chemistry by dividing the mass of a sample of that compound by the quantity of that compound, which is the number of moles in that sample, measured in moles. A substance's molar mass is a bulk attribute rather than a molecular one. The compound's molar mass is an average over multiple samples, each of which will likely have a different mass because of the existence of isotopes.

The molar mass is most frequently calculated from the standard atomic weights, making it a terrestrial average and a function of the relative abundance of the constituent atoms' isotopes on Earth. The molar mass is suitable for converting between a substance's mass and a quantity.

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The SI unit for expressing the mass of a block of Au is gram with SI unit symbol g.

SI unit is a measurement unit which is universally accepted system. It is used for technical and scientific work.

The gram is the unit of mass in the International systems of units, SI. Gram is equal to 1/1000th of a kilogram.

Mass is used to measure an objects's weight. Most common units to express mass in metric system is gram and kilogram. The standard unit of mass in SI system is kilogram (Kg). The reason to use kilogram is because gram is a small amount.

Although, in case of Au, the SI unit to express mass of Au is g.

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468 KJ of electrical energy is converted to light and thermal energy by a 130 w light bulb in one day.

Electrical energy is produced when electrically charged particles move, producing energy. Electrical energy is a general term that describes the energy that has been transformed from electric potential energy. Electric current and electric potential are given by an electrical circuit that serves as the source of this energy (e.g., provided by an electric power utility). This electric potential energy stops being electric potential energy after it has been changed into another form of energy.

P = 130W  is the lightbulb's power.

Within an hour, we must locate the electrical energy that the lightbulb generated. We are aware that the amount of electrical energy generated per unit of time is what provides electricity.

1 hour equals 3600 seconds.

p=E/T

E= p * T

E= 130 * 3600

E= 468000 joule

E = 468 kJ

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The mass upon volume take the measure of the substance is known to be its density.

As we know the formula of density is:

density = mass / volume. ------ (1)

Mercury is a heavy silver colored element.

Also called as a quicksilver , it's formula is Hg.

Mercury's atomic number is 80.

According to question,

It is given in the question,

Mass of mercury ( Hg) = 537.0537.0 g

Volume of mercury (Hg)  = 39.9939.99 ml

Now putting the given values in formula (1)

density = 537.0537.0 / 39.9939.99

​density = 13.42 g/ml

Hence, the density of mercury is 13.42 g/m

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The volume of the wood is 4.167 mL.

All three-dimensional objects have a certain amount of volume. It's the area that a particular object takes up.

Mass is the total amount of matter of an object or a particle. This term is also used to measure inertia, which is the body's resistance to acceleration when a net force is applied. A body's mass has an impact on how strongly it attracts other bodies through gravity.

The density of the wooden block is 30 g/mL.

The mass of the wooden block is 125 g.

So, m = 125 g

ρ = 30 g/mL

The density of an object is given as the mass of the object per unit volume.

Therefore,

density = mass / volume

ρ = m / V

V = m / ρ

V = 125 g / 30 g/mL

V = 4.167 mL

Hence, the volume of the block of wood is 4.167 mL.

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The bohr radius theoretically is the equal distance an electron can approach the nucleus in the hydrogen atom.

Bohr radius named after by Niels Bohr because Niels Bohr proposed the bohr model of an atom. Bohr radius is the mean radius of the orbit of an electron around the nucleus of a hydrogen atom at its ground state and is approximately equal to 5.29177×10⁻11 . the Bohr radius approximately equal to the most probable distance between the nucleus and the electron in a hydrogen atom in its ground state. so theoretically distance an electron is equal approach the nucleus in the hydrogen atom.

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the best choice of reagent to perform the following transformation is H₂O and H₂SO₄

In chemistry , the term "reagent" denotes a chemical ingredient, this will also be stated as an "Orko". this is often typically found in a compound. (a compound or mixture, typically of inorganic or small organic molecules) introduced to cause the specified transformation of an organic substance.Reagents could also be compounds or mixtures. In chemistry , most are small organic molecules or inorganic compounds.

Reactant: Reactants are the starting materials that undergo changes during a reaction .

Reagent: Reagents are the compounds that are added to a system so as to cause a chemical reaction.

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If one or more nucleotide pairs are deleted from a DNA strand, this is known as a frameshift mutation.

An indel (insertions or deletions) of a number of nucleotides in a DNA sequence that is not divisible by three results in a frameshift mutation, also known as a framing error or reading frame shift. The triplet structure of gene expression by codons means that an insertion or deletion might alter the reading frame (the arrangement of the codons), leading to a translation that is entirely different from the original. A frameshift mutation is different from a single-nucleotide polymorphism, in which a nucleotide is substituted rather than inserted or deleted, and the protein is more altered the sooner in the sequence the deletion or insertion occurs.

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Relative conductance is the ability of a specific conductor to carry electrons as compared to the ability of a copper  conductor to carry electrons.

The relative conductance (g'X) of a given ionic species is the conductance for that single ion divided by the total conductance for all of the ionic species (i.e., g'X = gX/g Total). The flow of free electrons in the form of an electric current is referred to as conduction. The inverse of resistivity is conductivity. That is 1/ and has a siemens per meter, or S/m, value. From zero (for a perfect insulator) to infinity, conductivity is possible (for a perfect conductor). A super conductor has nearly no ohmic resistance and limitless conductance

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Barium hydroxide is a strong diprotic base and phosphoric acid is a weak triprotic acid. Therefore the balanced acid-base reaction requires a 3:2 molar ratio:

First we find the moles of barium hydroxide reactant:

Volume of barium hydroxide (given) = V1=0.0300 L

Molarity of barium hydroxide (given) = C1=0.15 M

Moles of barium hydroxide = n1=V1×C1=0.0045 mol

For neutralization we require 2/3 the moles for phosphoric acid:

Moles of phosphoric acid = n2=23×0.0045 mol=0.0030 mol

Volume of phosphoric acid (given) = V2=0.0500 L

Molarity of phosphoric acid = n2V2=0.0030 mol/0.0500 L=0.060M

What is Neutralization Reaction?

3Ba(OH)2+2H3PO4→Ba3(PO4)2+6H2O

Conjugate base and acid are the results of the reaction between a Bronsted acid (proton donor) and a Bronsted base (proton acceptor). When both of these reactants have been completely consumed, leaving only the product species, a neutralisation reaction takes place. The stoichiometry of the balanced acid-base reaction equation is used to determine the ratio of molar amounts needed for neutralisation.

Therefore,

If 30.0 ml of 0.15 m ba(oh)2 was needed to neutralize 50.0 ml of an h3po4 solution. what is the concentration of the original h3po4 solution?

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To make pizza dough, Luca combines 50 ml of milk for every 250 ml of flour. 150 ml of milk does combine with 750 ml of flour.

calculation :

[tex]\frac{50}{250}[/tex] × 750

= 150 ml

Is pizza dough just bread dough?

The distinction between Pizza and Bread dough is Pizza dough is made with a more elevated protein flour other than that they both use the exact ingredients, yeast, flour, salt, and water. Let the dough grow before freezing, then split the dough into your preferred pizza portions, put it in airtight freezer bags and freeze.

Pizza dough is made up with five basic ingredients flour, salt, yeast, oil, and water.

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A snow is basically made up of individual ice crystals which grow during suspended in the atmosphere, usually within the cloud. The snow fall is an example of precipitation.

For the formation of snow, the temperature required at the level of air at which it form must be below or at freezing 32° F or 0°C. Snow falls with the warmer air and it ends up on the ground in the form of rain. Rain also falls in colder layers and end up in the form of sleet. We also have the freezing rain which starts off in a warmer layer and freezes when the surface layer of air is below or at freezing.

Precipitation is a type of water phase which dorm in the atmosphere and falls on the earth surface.

Thus, we concluded that the snow falls ln a cold afternoon is an example of precipitation.

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The thermal energy of solid state is the least and the thermal energy for gaseous state is maximum.

Any substance that is present around us exists in three states i.e, solid, liquid and gas.

The two major factors that affect the state of the substance are thermal energy and intermolecular interactions. These factors are shown in the adjoining image.

When energy in the form of heat is provided to ice, it first converts into liquid water and finally into steam. This conversion has been shown in the graph present in the adjoining diagram.

As energy is added to it, the solid state has the lowest energy, the energy of the liquid state is more than the solid state and the maximum energy is of gaseous state.

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Answer: "homogenous mixture." out of these 2

brine, salt water, particularly a highly concentrated water solution of common salt (sodium chloride).

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In molecules fluoresce, the emitted photon has lower energy when compared to the absorbed photon.

The most extreme fluorescence is found in compounds having aromatic levels with low-energy π→π∗ transitions. A few aliphatic, alicyclic carbonyl, and positively conjugated double-bond structures also show fluorescence. Most unsubstituted aromatic hydrocarbons fluoresce in the solution again.

If a molecule soaks the light of one wavelength and emits it in another i.e., fluoresces, we reach that molecule as a fluorophore.

Some molecules are capable of being eager, via absorption of light energy, to a higher energy state, also named an excited state.

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The acceleration of the rocket would be 150 m/s^2.

Initial velocity, u=1000 m/s

Final velocity, v=2500 m/s

Time taken, t=10 seconds.

According to equation of motion,

v=u+at

2500=1000+10a

2500-1000=10a

1500=10a

a=150 m/s^2.

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The pH of this buffer after adding 2.5 ml of 10m KOH to the solution is 7.73

The HOCl/KOCl buffer has a pKa of 7.46. We can use the H-H equation to determine the pH of this buffer:

[tex]pH = log\frac{ [A^{-} ] }{[HA]} + pKa[/tex]

[tex]pH = 7.46 + log\frac{[KOCl] }{ [HOCl]}[/tex]

Where [] represents the molarity (or moles) of each compound.

Initial HClO and NaClO moles:

 HOCl :-0.500L * (0.12mol / L) = 0.06 moles  HOCl

 KOCl:- 0.500L * (0.080mol / L) =0.04 moles KOCl

HOCl now reacts with KOH to form KOCl:

[tex]HOCl + KOH[/tex]→ [tex]KOCl[/tex] + [tex]H_{2} O[/tex]

The moles of KOH in the reaction are as follows:

[tex]2.5x10^{-3} L * (10mol/L)=0.025 moles KOH[/tex]

That is, 0.025 moles of HOCl are consumed and 0.025 moles of KOCl are produced after the reaction.

Following the reaction, moles are:

The final moles:

HOCl:- 0.06mol - 0.025mol = 0.035mol HOCl

KOCl :-0.04mol + 0.025mol = 0.065mol KOCl

Replacing in the H-H equation:

[tex]pH = 7.46 + log\frac{ [0.065mol] }{ [0.035mol]}[/tex]

pH = 7.73

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The calculated kinetic energy is 10.2 J

Measurements have been made of the cross section for the elastic scattering of electrons with energies lower than 10.2 eV by free hydrogen atoms. The signal from the electrons that were scattered by the beam appeared at the modulation frequency and at a predetermined phase, allowing for their identification. The ratio of the hydrogen atoms and the molecule's cross sections was directly measured, and absolute values for the atomic cross section were calculated using the absolute molecular cross-section.

The experimental findings support the theory.

Electron energy in the ground state is 0.13.6

In the second energy level, 3.4

Total energy level difference = 10.2

Thus, kinetic energy equals 10.2.

Therefore, we are aware that some electron kinetic energy was transmitted to the hydrogen atom during an elastic collision.

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Answer:

11no:4.9%

Explanation:

4.9% bones are there in the human body in hips and legs