Glucose, C6H12O6 is a sugar found in fruits and honey. is the molar mass of fructose?

Temperature will the vapor pressure be 7.00 times higher than it was at 307 k is 324 K.

Calculation :

Given Data:

Heat of vaporization = 66.64kJ/mol

Final vapor pressure = 4 times of initial vapor pressure

Initial temperature = 307 K

The temperature is calculated by using the Clausius Clapeyron equation:

ln(P1/P2)=ΔHvap/R(1/T2−1/T1)

ln(P1/4P1)=66640Jmol⁻¹/8.314Jmol⁻¹K⁻¹(1/T2−1/307K)

ln(1/4)=8015.4(1/T2−1/307)

−1.38=8015.4/T2(−26.108)

T2=324K

Therefore, the temperature is 324 K.

Thermometers are calibrated at different temperature scales and have historically relied on different reference points and thermometric substances for definition. The most common scales are the Celsius scale with the unit symbol °C (previously called Celsius), the Fahrenheit scale (°F), and the Kelvin scale (K), the latter mostly used for scientific purposes. will be Kelvin is one of the seven basic units of the International System of Units (SI).

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By producing light, the electrons let off part or all of their extra energy.But an electron and a proton are attracted to one another.Another way to put it is that opposite charges attract each other whereas the same or "like" charges repel one another.

Smaller subatomic particles make up protons and neutrons.Protons and neutrons exchange particles (mesons) when they are sufficiently close to one another, which fuses them together.When they are tied, it takes a lot of energy to unbind them.

No, I cannot.Because protons and electrons are separate species, this is the case.A proton and an electron can both annihilate with just an anti-proton (positron), but not the other way around.

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44.44 grams of hydrogen are produced in this equation

This can be shown as :

Let's start by balancing the equation.

We can see that, as written, we have one oxygen coming in, but two (O2) on the product side.  

Let's try making it 2 H2O and see what happens:

That took care of the O's, but now we have two extra H's coming in.  So let's add a "2" to the H2 on the product side:

Now it is balanced.  4 hydrogens and 2 oxygens coming in, and 4 hydrogens and 2 oxygens going out.

Now we can calculate the amounts of both products.

We need to find the percent by mass of both hydrogen and oxygen in the water.

Since the formula for water is H2O, take the masses off of the periodic table: 2x1g for hydrogen (because there are 2 H in the formula); 1x 16g for oxygen (because there is 1 O in the formula), added together for a total of 18g.

Hydrogen’s Percentage is :

Oxygen's Percentage is :

Thus, Out of 50g of water, that makes 44.4g of Oxygen and 5.56 g of Hydrogen.

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3.278 x [tex]10^-4[/tex] M is the Molar solubility of [tex]SrF_2[/tex] in 1.0 x[tex]10^-^2[/tex] M  [[tex]Sr(NO_3)_2[/tex]]

The solubility of a substance is measured by the number of moles of the solute that dissolve in one liter of solution, or molar solubility.

Here provided, Ksp = 4.3 × [tex]10^-^9[/tex]

and the concentration of [[tex]Sr(NO_3)_2[/tex]] = [[tex]Sr^2^+[/tex]] = 1.0 x [tex]10^-^2[/tex]M

Ksp for decompositon of  [tex]SrF_2[/tex]

Ksp = [tex][Sr^2^+]^2[/tex] [tex][F^-]^2[/tex]

Therefore, 4.3×[tex]10^-^9[/tex] = (1.0 x [tex]10^-^2[/tex] M) x [tex](2x)^2[/tex]

[tex]4x^2[/tex] = ( 4.3×[tex]10^-^9[/tex] ) / (1.0 x [tex]10^-^2[/tex]  )  = 4.3 x 10-7

[tex]x^2[/tex] = (4.3 x [tex]10^-^7[/tex]) / 4 = 1.075 x [tex]10^-^7[/tex]

Therefore , x= 3.278 x [tex]10^-^4[/tex] M

So the molar solubility of the solution is 3.278 x [tex]10^-^4[/tex] M

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Complete question:

what is the molar solubility of  [tex]SrF_2[/tex]  (ksp = 4.3×10−9)  in the following substances?

a) 1.0x10^-2M Sr(NO3)2 Ksp=4.3x10^-9

Mass of kmno4 does she need to make the solution is 128.375 g.

Volume = 2.5 L

Concentration = 0.325 M

Potassium permanganate (Molar mass )= 39 + 55 + (16 x 4) = 158 g

Calculate the moles of KMnO₄

Formula

moles = molarity x volume

moles = 0.325 x 2.5

moles = .8125

Calculate the grams of KMnO₄

                   158 g KMnO₄ ------------------ 1 mol

                      x     ------------------ .8125

                           x = (1.95 x 158)/1  

                         x = 128.375 g

The amount of a solute in moles to all the liters of a solution is known as its molarity. The solvent and solute are both present in the solution. The ratio of the moles of a solute to the kilograms of a solvent is known as molality, on the other hand.

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The separation of the two component become more easy if the differ by at least because fractional distillation is a boiling point based separation method.

The fractional distillation is a process in which two liquid are separated from a mixture by using the difference in their boiling point as a main characteristic.

If the temperature of the two liquid for the two components is differing by at least 20 degree then fractional distillation can be accomplished more easily because it will become easier for us to separate the two components.

Because one of the component can be separated much earlier without wearing about the evaporation of the Other compound. The big difference in the boiling point makes the process of separation much easier.

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The first step of the reaction, we have  reaction between a nucleophile and an electrophile.

We can see that in the first step of the reaction, we have  reaction between a nucleophile and an electrophile. In this case, the electrophile would have to be an alkyl halide which produces a carbocation as show in the image attached. What we have here is quite similar or  like most of the organic reactions, this reaction occurs in a number of detailed or smaller steps and each step of the reaction is going to help to bring us closer to the end product of the entire steps of the reaction which is wat we target as we carry out the particular reaction.The second step involves the reduction of the alkyne with the use of a Lindlar catalyst. As such the reaction is poisoned and it stops at the alkyne stage rather than going on to obtain the alkane.

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Laminates are the made by uniting superimposed sheets of different materials.

The laminates are caskets made by the uniting superimposed sheets of the different materials . the sheets of the laminate are made up by the bonding together of the two or the more layers of the materials.  laminates are the decorative products.  the laminates are used in the furniture , for the wall paneling. it is made by high or the low pressure of the laminate. laminates is used in the multilayer of the flooring product. laminates imitate the real wood appearance.

Thus, caskets made of uniting superimposed of layer of the different material are called as the laminates.

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Wavelength of the photon of light and then relaxes back to the ground state by emitting an infrared photon (1,200 nm) followed by an orange photon (600 nm) that was absorbed initially is 400nm

Wavelength of the photon that was absorbed initially can be calculated as follows:

Photon's energy is inversely related to its wavelength.

E ∝ 1/λA

Given that the energy of the absorbed photon () equals the total energy of the photons released (E₁ +E₂).

Eₐ=E₁ +E₂

the relationship between E and λ,

1 =   1 + 1

λₐ    λ₁   λ₂

1 =          1        +       1      

λₐ    600x 10⁻⁹    1200x 10⁻⁹

λₐ = 400nm

Therefore, the wavelength of the absorbed photon is 400 nm.

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23.79 L/mol is the molar volume of ch4 gas under the conditions of temperature and pressure where its density is 0.674 g/l

molar mass of CH4= 16.04g/ ml

density of CH4 = 0.674 g/l

so molar volume of CH4= molar mass/ density

    molar volume of CH4= 23.79L/mol

A substance's (chemical element or chemical compound) molar volume, denoted by the symbol Vm, is the volume occupied by one mole of that material at a specific temperature and pressure. It is determined by dividing the molar mass (M) by the mass density (). The definition of standard temperature and pressure (STP) is 0oC (273.15K) and 1atm pressure. The volume of one mole of a gas at STP is known as the molar volume of a gas.

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The solvent here is acetone.

When we mix two miscible liquids, the one with the largest amount will act as the solvent. Here water, alcohol, acetone are miscible liquids.  That is all three are soluble in each other. In such cases the one with the maximum quantity will be the solvent.

So, since acetone is in largest quantity, that is, 50ml, it will act as the solvent.

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50.79 mL  of 0.2300 m NaOH solution would be needed to reach a magenta phenolphthalein endpoint when titrating with 45.00 ml of 0.2596 m hcl solution

The reaction is given as :

HCl + NaOH = NaCl + H2O

We will use the formula : M1V1 = M2V2

M1 = 0.2596 M

V1 = 45.00 mL

M2 = 0.2300 M

putting values :

0.2596 M x 45.00 mL = 0.2300 M x V2

V2 = 50.79 mL

So volume of NaOH solution = 50.79 mL

A full neutralization process that solution in a pink phenolphthalein requires equimolar concentrations of both NaOH and HCl solutions.

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Answer is zeroth-order, A straight line with a slope of k represents a first-order reaction when the natural logarithm of the reactant concentration vs time is shown. zeroth-orderis the ideal choice.

The plot of [A] vs time for a zero order reaction, as illustrated, is a straight line with k = - slope of the line. For the initial order. A plot of the concentration of any reactant against time for a zeroth-order reaction is a line with a slope of k. A straight line with a slope of k represents a zeroth-order reaction when the natural logarithm of the reactant concentration vs time is shown.

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Non-biological methods of metal extraction relate to the various techniques used to recover metals from underground deposits. Microorganisms are used in biological processes, commonly referred to as biomining.

There are three primary techniques for removing metals from their ore. These include reducing the ore with carbon, electrolyzing the molten ore, and reducing it with a more reactive metal.

There are two different kinds of extraction: solvent extraction, often known as liquid-liquid extraction, and solid-liquid extraction. The separation of chemicals based on their relative solubilities in two separate immiscible liquids or solid matter compounds underlies both methods of extraction.

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Polar molecules' poles point in the direction of the oppositely charged metal plate when they are sandwiched between the plates.

Positive and negative poles are found in opposite poles in polar molecules. For instance, water molecules will have their negative pole facing the positive end and vice versa when they are placed between two metal plates that have opposing charges.

The charges on the metal plate will force them to align themselves since opposing charges repel one another and like charges attract.

Therefore, when polar molecules are sandwiched between two metal plates with opposing charges, the poles will point in the direction of the plate with the opposite charge.

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'S' has more Molar Mass than 0.

Therefore easily say looking at molecule.

We can C₆H₁₃ SH has a higher Molar Mass.

C₆H₁₃OH has stronger Hydrogen Bonding interaction.

C₆H₁₃OH (High Boiling Point)

Molecular weight is the mass of a specific molecule and is measured in Daltons. exceptional molecules of the same compound could have special molecular weights because they comprise distinctive isotopes of the detail. The molar mass of a substance is the mass in grams of 1 mole of the substance.

The molar mass of a substance may be acquired through adding the molar loads of the atomic additives. The calculated molar mass can then be used to convert the mass and range of moles of the substance. Use the chemical method to locate the wide variety of atoms for every element inside the compound.

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Changing the coefficients solely affects the quantity of molecules in that specific chemical. However, modifying the subscripts will change the substance itself, rendering your chemical equation incorrect. The correct option to this question is step 2.

Chemistry makes good use of the ability to balance chemical equations. The concept that atoms and molecules commonly interact to form new molecules is the foundation of chemical reactions.

(1) Use word equations to describe the chemical reaction, placing the reactants on the left and the products on the right. (2) Include the symbol and formula for each reactant and product in the equation in words. (3) Balance the equation by multiplying the formula and symbol numbers by the lowest integers.

Balancing a chemical equation is crucial for understanding a chemical reaction. This is to reveal the number of moles that are reacting and generating. It also indicates how many electrons were moved from one chemical to another.

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Any time a charged particle, like an electron, modifies its velocity, electromagnetic radiation is created that is every time it accelerates or slows down. The charged particle loses the energy of the electromagnetic radiation that is subsequently created as a result.When an atom absorbs energy, it emits electromagnetic radiation.

One or more electrons in the atom move to a different location as a result of the energy being absorbed. An electromagnetic wave is created when the electron reposition itself.Atoms may absorb energy in a variety of ways. Electrical energy can be used as one method of atom excitation. Neon signs display this for you. The neon atoms will become excited or gain energy when we run electricity through the neon tubes.

In this state, the electrons in these atoms are very energetic. The electrons will return to their low energy state and emit radiation that we see as light since they don't enjoy being in the high energy state.

The heat is absorbed when a 10 gram piece of platinum is warmed from 100 c to 150 c is 66.5 J

Energy is a sort of heat. Heat changes the condition of a substance when it is absorbed by it by weakening and rupturing the inter-particle bonds (solid to liquid for example). A phase change brought on by heat is NOT enough to raise the temperature. A reaction that absorbs heat is called endothermic.

The bulk of the body affects how much heat is absorbed. The bulk of the body directly affects how much heat energy is absorbed. where M is the body's mass and Q is the quantity of heat absorbed.

Using the equation H=cpmT and the water specific heat, the amount of heat absorbed is computed.

Given,

heat of slid platinum = 0.133

150 -100=50

heat absorbed = 0.133*10*50

= 66.5 J

Therefore , The heat is absorbed when a 10 gram piece of platinum is warmed from 100 c to 150 c is 66.5 J

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Explanation:

According to Graham's law, rate of diffusion is incresely proportional to the square roots of its molecule weight.

Let m be the mass of the unknown gas

m2 is the mass of oxygen 

r1 = rate of diffusion of the unknown gas 

r2 = rate of diffusion of oxygen

r2r1=m1m2

Given r2r1=4

thus 4=m132 

Squaring boil sides

16=m32

m1=2g

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Aqueous sodium bicarbonate was used to wash the crude n-butyl bromide, the purpose of this wash is to completely neutralize the product or to remove the excess acid present in the product.

The reaction between the acid and sodium bicarbonate produces carbonic acid, which rapidly dissociates into carbon dioxide gas and water.

Now, in this reaction, we still have trace amounts of HBr in the product, therefore in order to neutralize these traces, we wash the solution with sodium bicarbonate, which results in the formation of sodium bromide and carbonic acid as described below:

    HBr + Na₂CO₃ → NaBr + Na₂CO₃

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0 degrees Celsius or one atmosphere are considered the norms for both temperature and pressure.A molar gas volume in STP is 22.4 liters / mole, according to what is reported.

We find that temperature and pressure are linearly related, and if the temperature is on the kelvin scale, then P and T are directly proportional (again, when volume and moles of gas are held constant).

As the temperature increases, the average kinetic energy increases as does the velocity of the gas particles hitting the walls of the container. The force exerted by the particles per unit of area on the container is the pressure, so as the temperature increases the pressure must also increase.

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If you had placed 50mL of 0.1M HCl in a 150mL beaker,then the [H3O+] in the 50mL solution would be the same as the [H3O+] in the 25mL solution. Therefore, option 3 is correct.

Any mixture of one or more solutes that have been dissolved in a solvent is referred to as a solution. To create a homogenous mixture, a solute must dissolve in a solvent. To create a homogenous mixture, a solute must dissolve in a solvent.

A homogenous mixture of two or more components with particles smaller than 1 nm is referred to as a solution. Solutions come in many forms, including soda water, salt and sugar solutions, and others. Every element in a solution appears as a single phase.

Thus, option 3 is correct.

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The correct order for the amino acids is:

d. methionine

a. leucine

b. histidine

c. glycine

This order is determined by the sequence of nucleotides in the mRNA molecule, which is transcribed from the DNA template. The sequence of nucleotides in the mRNA molecule determines the sequence of amino acids in the protein that is synthesized during translation. The process of translation begins with the recruitment of a ribosome to the mRNA molecule, and the addition of a special amino acid called methionine to the growing protein chain. The ribosome then moves along the mRNA molecule, adding one amino acid at a time to the growing protein chain, in a sequence determined by the sequence of nucleotides in the mRNA molecule. In this case, the first amino acid added to the protein chain is methionine, followed by leucine, histidine, and glycine.

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The correct order for the amino acids is:

d. methionine

a. leucine

b. histidine

c. glycine

This order is determined by the sequence of nucleotides in the mRNA molecule, which is transcribed from the DNA template. The sequence of nucleotides in the mRNA molecule determines the sequence of amino acids in the protein that is synthesized during translation. The process of translation begins with the recruitment of a ribosome to the mRNA molecule, and the addition of a special amino acid called methionine to the growing protein chain. The ribosome then moves along the mRNA molecule, adding one amino acid at a time to the growing protein chain, in a sequence determined by the sequence of nucleotides in the mRNA molecule. In this case, the first amino acid added to the protein chain is methionine, followed by leucine, histidine, and glycine.

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With repeated usage, morphine may develop a habit. Follow the morphine instructions precisely. Do not take it in larger amounts, more frequently, or otherwise differently than prescribed by your doctor.

Discuss your pain management objectives, course of treatment, and additional pain management options with your healthcare practitioner while you are taking morphine . Inform your doctor if you or any family members regularly use significant amounts of alcohol, take street drugs, abuse prescription medicines excessively, experience overdosing, or currently suffer from depression or another mental disorder. If you now use or formerly used morphine, there is a higher chance that you may abuse it.

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The electrical conduction is due to movement of free electron sea.

The valence electrons of metals that are close to one another do not only stay on their own atom, they move freely across the entire metal complex. Like a single water molecule floating freely in the sea, they appear to be floating through an ocean of electrons. It is known as the electron sea model for this reason.

Since each metal atom is free to move around, these atoms develop into positively charged cations. These cations are surrounded by a sea of negatively charged electrons, making them resemble a positively charged island. Metal is a good conductor of electricity because of these free-moving electrons.

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Answer:b

Explanation:

The statement that is correct about the system is  ∆H = +590 kJ.

We know that according to the first law of thermodynamics, energy can not be created nor destroyed but It can be converted from one form to the other. This implies that we can not loose energy, the energy that is supplied as the pork is combusted can be transferred to the water.

As such, we can be able to obtain the heat that enthalpy of the system can be obtained as the heat that is transferred to the water as follows;

∆H =  mc dT

∆H =  heat absorbed or evolved

m = mass of the water

c = Heat capacity of the water

dT = temperature change

Now we have;

∆H =  3000 * 4.184  * 47

∆H = +590 kJ

The magnitude of heat that has been transferred to the water is +590 kJ.

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Missing parts;

A 50 gram sample of delicious pork rinds is placed in an open, constant pressure calorimeter that contains 3000 grams of water. The temperature of the water increases by 47◦C when the pork rinds are combusted. The heat capacity of water is 4.184 J/g ◦C. Assume the heat lost to the calorimeter itself or to the air is negligible. Which of the following is correct for the SYSTEM?

1.) ∆U = +590 kJ

2.) ∆U = −11.8 kJ

3.) ∆H = −11.8 kJ

4.) ∆H = +590 kJ

5.) ∆U = −590 kJ

6.) ∆H = +11.8 kJ

7.) ∆U = +11.8 kJ

8.) ∆H = −590 kJ

structure of the principal organic product formed by the free-radical bromination of methylcyclopentane. is the major product is formed by the substitution of Br radical on tertiry carbon.

In the presence of UV light, 1-Methylcyclopentane reacts with Bromine molecules. This type of reaction is known as a free radical reaction. Bromine will first become a bromine free radical and then attack the desired carbon to produce the desired product. Organic products are grown in an agricultural system that does not use chemical fertilisers or pesticides and takes an environmentally and socially responsible approach. Atoms or groups of atoms with a single unpaired electron are referred to as free radicals. These radicals are involved in a free radical substitution reaction. When a bond splits evenly, each atom receives one of the two electrons, and free radicals form. This is referred to as homolytic fission.

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The answer is 30.4 min.

Solution:

For 7/8 decay

It will have 2 half-lives. In first half life it will remain 1/6 then after second half life it will remain 1/8 means decay = 1-8/8 = 7/8

So total time

= 15.2 * 2 = 30.4 min

A radioisotope is a radioactive isotope of an element. They can also be defined as unstable combinations of neutrons and protons, or atoms containing excess energy within the nucleus. For example, radioactive isotopes of radium, thorium, and uranium occur naturally in rocks and soils.

Uranium and Thorium are also present in water in trace amounts. Radon, produced by the radioactive decay of radium, is present in the air. An unstable form of a chemical element emits radiation as it decays and becomes more stable. Radioactive isotopes can occur naturally or can be created in a laboratory.

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