What two molecules make up aspartame?

If the feedback loop of the knee reflex was cut off at any points along its path, then there will be no response of knee reflex.

Its results in harm to any part of your reflex arc, which can be due to a basic knee-medicinal condition. Healthcare suppliers can disclose hyporeflexia by spouting your knee with a rubber hammer.

If your doctor taps on a band and there isn't a reflexive movement in the muscle, it's a sign of knee-health matter. Usually, absent reflexes are created by an issue with the nerves in the tendon and muscle. You may have other muscle symptoms along with areflexia, like weakness, or atrophy.

So we can conclude that A decline reflex reply can be related to peripheral knee-nervous system disorders.

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The percent composition of vanadium in the ore is 1A: 10.8%, and the percent composition of lead is 2B: 73.2%.

Vanadinite (Pb₅ (VO₄)₃Cl) = 1250 grams

Pure vanadium= 135 grams

Pure lead = 915 grams

Percent composition of vanadium =?

Percent composition of lead  =?

The formula to find the percent composition is as follows:

Percent composition =(substance mass in grams/ sample mass in grams) × 100

1: Now solving to find the percent composition of vanadium by putting values in the formula:

Percent composition of vanadium =  (vanadium mass/sample mass) × 100

Percent composition of vanadium =  (135 g/ 1250 g) × 100

Percent composition of vanadium =  10.8 %

2: Now finding the  percent composition of lead by using the same formula:

Percent composition of lead     = (lead mass/sample mass) × 100

Percent composition of lead    = (915 g / 1,250 g) × 100

Percent composition of lead    =  73.2%

"

Complete question:

What are the percent compositions of vanadium and lead?

A metallurgist begins with 1,250 grams of vanadinite (pb5(vo4)3cl) and ends up with 135 grams of pure vanadium and 915 grams of pure lead.

The percent composition of vanadium in the ore is ______ , and the percent composition of lead is ________ .

OPTIONS:

1.

A. 10.8%

B. 14.3%

C. 14.8%

D. 62.4%

2.

A. 55.6%

B. 73.2%

C. 16.0%

D. 23.8%

"

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Answer:

10.8%

73.2%

Explanation:

I just did the test and its right on  plato, Have a great a day!

The elements with the highest ionization energy are the noble gases, which are located in the upper right corner of the periodic table. These elements include helium, neon, argon, krypton, xenon, and radon. These elements have a full valence electron shell, meaning that they have the maximum number of electrons possible in their outermost energy level. This makes them very stable and resistant to chemical reactions, as they do not have any electrons that can be easily removed or added.

As a result, they have very high ionization energy, meaning that a large amount of energy is required to remove an electron and form an ion. Due to these properties, these elements are not readily reactive with other elements and tend to exist as diatomic molecules or as individual atoms. These elements are used in a variety of industrial, medical, and everyday applications such as in lighting, refrigeration, and as inert gases in medical equipment and in the manufacturing of semiconductors.

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The situation that best describes the effect of a limiting reactant is that when there is not enough A reactant to react with whole B.

The limiting reactant, also known as the limiting reagent, is the reactant that is used first during a chemical reaction, hence restricting the amount of product that can be produced. The limiting reactant can be identified in a variety of methods ,but they all require employing mole ratios from the balanced chemical equation.

The theoretical yield is the maximum quantity of product possible given the limiting reactant. The quantity of product actually procured, or actual yield, is usually always less than the theoretical yield. The percentage yield used to describe the actual yield indicates what portion of the theoretical yield was attained.

In the equation there is only one situation which describes the effect of limiting reagent when there is not enough of A to react with whole B.

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Answer: ahem...

Explanation: 1. True 2. reproducing 3. All of them 4. i would say true, the only thing is plants dont really digest food and it says "all" organisms... 5. B, C, and D...A is more of defense and not really "maintaining structure"

According to the given chemical equation and stoichiometry of it , 36 moles of H₃PO₄ are formed from 9 moles of P₄O₁₀.

It is the determination of proportions of elements or compounds in a chemical reaction. The related relations are based on law of conservation of mass and law of combining weights and volumes.

Stoichiometry is used in quantitative analysis for measuring concentrations of substances present in the sample.

As per the reaction, 1 mole of P₄O₁₀ produces 4 moles of  H₃PO₄, thus 9 moles of  P₄O₁₀ will produce 9×4=36 moles of H₃PO₄.

Thus,36 moles of H₃PO₄ are formed from 9 moles of P₄O₁₀.

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Answer:36

Explanation:

taking the class just got it right

Answer:

The Bohr model of the atom was replaced by the quantum mechanical model because it was unable to explain the behavior of electrons in atoms. The quantum mechanical model was able to explain the behavior of electrons in atoms more accurately.

Explanation:

The average molecular velocity of the molecules will decrease as the reaction goes to completion at a constant temperature.

What is Molecular velocity?

Molecular velocity is the average speed of molecules in a sample of matter. It is determined by the temperature of the sample, with higher temperatures resulting in higher molecular velocities.

This is because the reaction produces a single product, meaning that the number of molecules in the reaction vessel is decreasing as the reaction goes to completion. As the number of molecules decreases, the average molecular velocity of the molecules decreases as well.

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The carbon atom is in the center of the structure and is surrounded by four hydrogen atoms.

Structure is an organized arrangement of elements, such as components, materials, people, or ideas. It is a way of organizing and arranging the components of a system in order to achieve a desired outcome.

The most likely Lewis dot structure for methane (CH4) is the following:
The carbon atom is in the center of the structure and is surrounded by four hydrogen atoms. Each hydrogen atom has one electron in its outer shell, and the carbon atom has four electrons in its outer shell. All of the atoms are arranged in a tetrahedral shape, which matches the molecular geometry of methane.

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Here is the Conclusion 240. Heat energy affects a substance’s intermolecular forces as the substance changes between states.

Heat energy increases during the following state changes

Solid - (melting)

Liquid -gas (evaporation)

Solid- gas (sublimation)

Heat energy decreases during the following state changes

Gas- liquid (condensation)

Liquid → solid (freezing)

Gas –solid (deposition)

An intermolecular force (IMF) (or secondary force) is the force that mediates the interaction of molecules, including electromagnetic forces of attraction or repulsion that act between atoms and other types of nearby particles, such as atoms or ions.

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The  heat energy required, in joules, to melt 5.00 x 10² grams of ice at 0.0°C. 2016.6 J.

When the temperature rises, molecules and atoms move faster and collide, creating heat generated (also known as heat energy). Thermal energy is the heat that results from heated substance's temperatures.

The following phrase may be used to determine the change in heat energy in a process like melting.

S = H * m / T

where:

S = entropy [kJ]

H = fusion heat = 3.36*10¹ [J/kg]

m = mass = 0.02 [kg]

T = temperature in kelvin = 273 [K]

S = 0.02 * 5.00 * 10² / (273 + 0)

S = 2016.6 J

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The complete question is -

Calculate the heat energy of 5.00 * 10² g of ice when it melts at 0.0°C. The heat of fusion of ice is 3.36 x 10'J/kg.

The final volume can be determined using Charles's law. The volume of gas at 5 degree Celsius will be 8.3 ml.

According to Charles's law, at constant pressure, the volume of a gas is directly proportional to the temperature.

Hence, V/T = constant.

Let, V1 and T1 be the initial volume and temperature and V2, T2 be the final quantities.

then, V1/T1 = V2/T2.

V2 = V1 T2/ T1

Given, V1 = 50 ml

T1 = 30 °C

T2 = 5 °C

Then, V2 = 50 ml × 5 °C /30 °C = 8.3 ml

Therefore, the volume of the gas reduces to 8.3 ml.

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The kind of molecular motion that mostly relates to temperature of a substance is : A) translational motion.

Motion in which all the points of a moving body moves uniformly in the same direction. If object is undergoing translatory motion, we can see that there is no change in the orientation of object. Translatory motion is also called translational motion.

In kinetic theory of gasses, increasing the temperature of a gas increases the average kinetic energy of the molecules, causing an increased motion. This increased motion increases outward pressure of the gas, which an expected result from the ideal gas equation (PV=NkT).

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Laboratories are used in many different fields, including medicine, chemistry, biology, physics, engineering, and more.

A laboratory is a facility where scientists conduct research and experiments. It is equipped with specialized equipment, tools, and supplies required for the specific purpose of conducting scientific tests, experiments, and analysis.

The next step would be to look for other seminal components, such as white blood cells, red blood cells, epithelial cells, and other organic and inorganic components. If no sperm are present, then a detailed analysis of the sample is necessary to determine the cause of the absence of sperm. Possible causes of azoospermia, or the absence of sperm, include hormonal imbalance, anatomical defects, genetic conditions, and medical treatments.

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Hello there!

Answer:

A. <

Explanation:

You should remember that all negative numbers are smaller then positive numbers. For example, -10 < 7 or -9479 < 1

-4 is a negative integer

0.598 is a positive number

So -4 < 0.598 (negative < positive)

A chemist determined that moles of silver participated in a chemical reaction using measurements. The mass of silver involved in the chemical reaction is 1.08 grams.

Moles of silver participated = 0.01

Molar mass of silver = 108 gram/mole

Weight of silver participated= mole* molar mass

                                                = 0.01*108 gram

                                                = 1.08 gram

A chemist (from the Greek chm(a) alchemy; replacing chymist from Medieval Latin alchemist)  is a scientist who studies chemistry. Chemists investigate the structure and properties of matter. Chemists meticulously describe the properties of molecules and their constituent atoms in terms of quantities. Chemists carefully measure the proportions of substances, the rates of chemical reactions, and other chemical properties. Pharmacists are commonly referred to as chemists in Commonwealth English.

Chemists apply their knowledge to learn the composition and properties of new substances, as well as to reproduce and synthesize large quantities of useful naturally occurring substances and to create new artificial substances and processes.

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The gas will have a volume of 25.0 mL at a pressures of 60 kPa or a temperature of 200 K.

The average kinetic potential of the particle in a system is measured by temperature. Temperature is measured using thermometers, which measure the temperature of a system by taking a reading of the system's average kinetic energy. Temperature is measured in degrees, with higher temperatures indicating a higher average kinetic energy. Temperature can be affected by a variety of factors, including the amount of energy added to or removed from a system, the number of particles present in the system, and the type of particles present in the system.

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The electrons in the 2p sub level have the smallest binding energies, which is the best explanation for how the spectrum is consistent with the electron shell model of the atom. Option D is correct as a result.

Photoemission spectroscopy, often referred to as photoelectron spectroscopy, measures the amount of energy emitted by electrons from solids, gases, or liquids via the photoelectric effect. This procedure involves getting the energy for the electrons from an outside source, such as sunlight.

The photoelectric effect is a process in which electrons receive energy from an external source, such as sunlight, become excited, and transition from the ground state to the excited state. As a result of this process, there is a constant flow of electrons, which in turn causes a flow of energy.

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The number of moles of oxygen a worm absorbs per hour can be calculated using the formula:

A = (LR^2dO2) / (MT)

Where A is the molar flow rate of oxygen, L is the length of the worm, R is the radius of the worm, d is the density of the worm, O2 is the concentration of oxygen in the environment, M is the molar mass of oxygen, and T is the time in hours.

The number of moles of oxygen the worm uses per hour can be calculated using the formula:

B = (k*A)

Where B is the molar flow rate of oxygen used by the worm and k is the rate constant for oxygen consumption.

To determine whether the worm is taking in oxygen at a rate fast enough to survive, we would need to compare the rate of oxygen absorption (A) to the rate of oxygen consumption (B). If A > B, then the worm is absorbing oxygen at a rate that is greater than or equal to the rate at which it is consuming oxygen, and it should be able to survive. If A < B, then the worm is not absorbing oxygen fast enough to sustain its metabolism and it may not survive.

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The limiting reactant is O2.

To determine the limiting reactant, we need to compare the number of moles of each reactant present.

First, we convert the given masses of phosphorus and oxygen to moles:

25.0 g of P4 = 25.0 g / (123.8 g/mol) = 0.202 mol

50.0 g of O2 = 50.0 g / (32.00 g/mol) = 1.5625 mol

Next, we use the balanced equation for the reaction to determine the stoichiometry of each reactant:

P4 + 5O2 → P4O10

From the equation, we can see that for every one mole of P4, 5 moles of O2 are required.

We can then compare the number of moles of each reactant present:

0.202 mol P4 / 1 mol P4 = 0.202

1.5625 mol O2 / 5 mol O2 = 0.3125

We can see that the number of moles of O2 is less than the number of moles of P4 required by the reaction, so the limiting reactant is O2.

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As a result, option c is correct: H must be negative and S must be positive.

Energy is transmitted to or from the surroundings when a chemical reaction occurs. An exothermic reaction occurs when energy is transmitted to the surroundings, and the temperature of the surroundings rises. The term exothermic implies "heating up." As an exothermic process progresses, energy, frequently in the form of heat, is released. An exothermic reaction is one that is chemical in nature and is characterized by the release of energy in the form of heat or light. Matching a light with a matchstick is an example of this sort of reaction in which the release is both heat and light.

Here,

The spontaneity can be determined by the equation as:

ΔG=ΔH−TΔS

If the Gibbs free energy is negative, it gives a spontaneous reaction. Hence, the ΔH must be negative and ΔS must be positive.

If the Gibbs free energy is positive then it will be non-spontaneous. Hence, ΔS must be negative at very high temperature.

Therefore, option c is correct that is the ΔH must be negative and ΔS must be positive.

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To determine the value of Kp for a reaction, we need to know the concentrations of all the reactants and products at equilibrium.

In this case, we are not given the equilibrium concentrations, so we cannot directly calculate Kp. Instead, we can use the ideal gas law to relate the equilibrium concentrations to the partial pressures of the gases, and use those partial pressures to calculate Kp.The equation for the ideal gas law is PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature. If we assume that the reaction occurs at a constant volume and a constant temperature, we can use the ideal gas law to relate the equilibrium partial pressures of the gases to the concentrations of the gases.Given that we have no information about the equilibrium concentrations or partial pressures, we can not calculate Kp.

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The simplest formula for a compound is made up of 1.677 grams of iron and 0.640 grams of oxygen would be FeO.

What the question is asking here is the empirical formula of an oxide of iron made up of 1.677 grams of iron and 0.640 grams of oxygen. The empirical formula shows the formula in the simplest whole-number ratio of the atoms.

Iron (Fe) = 1.677 grams

Oxygen (O) = 0.640 grams

Converting the masses to moles:

Fe = 1.677/56 = 0.0299 mol

O = 0.640/16 = 0.0400 mol

Now, let's divide by the smallest mole:

Fe = 0.0299/0.0299 = 1.0

O = 0.0400/0.0299 = 1.3

Thus, the empirical formula of the oxide of iron is FeO.

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You may determine the number of moles of solution you need by multiplying the volume in liters (4.00L) by the solution's molar concentration (0.250M), and then by the mass of sodium hydroxide (39.99 g/mol) in molar form. 1L = 39.99g × 4.00L x 0.250 M x 39.99g

The number sodium hydroxide of moles of solute dissolved in one liter of a solution is known as its molarity.

where,

250 mM Molarity =

moles of solute = n

= liquid volume in milliliters = 4L = 4000 ml

Now, using the molarity formula to combine all the values provided, we obtain

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The balanced chemical equation that represents addition of CL2 to CH3CH=CH2 is : CH3CH=CH2 = CL2 > CH3CHClCH2Cl.

Balanced chemical equations have the same number and type of each atom on both the sides of an equation. Coefficients in a balanced equation has to be the simplest whole number ratio and mass is always conserved in chemical reactions.

Balanced equation is an equation for a chemical reaction where the number of atoms for each element in the reaction and total charge is same for both the reactants and products. In other words, we can say that mass and the charge are balanced on both sides of a reaction.

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At equivalence, the number of moles of methylamine and HCl are equal, and the pH of the solution is 4.76.

At equivalence, the number of moles of methylamine and HCl are equal, so we can use the equation:

n(CH3NH2) = n(HCl)

0.2108M * 110.0mL = 0.4152M * V

V = 52.4mL

Total volume of the solution: 110.0mL + 52.4mL = 162.4mL

We can use the Henderson-Hasselbalch equation to calculate the pH at equivalence:

pH = pKb + log([CH3NH2]/[HCl])

pH = 3.36 + log(0.2108M/(0.2108M + 0.4152M))

pH = 3.36 + log(0.2108M/(0.6259M))

pH = 3.36 + log(0.3389)

pH = 3.36 + (-0.4719)

pH = 4.76

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The net charge on the Peptide sequence: DSVK at pH = 0 is : a. net charge = +2.

The process of identifying the amino acids that make up a peptide chain's structural sequence is known as peptide sequencing. This knowledge must be made public in order to understand the structure and function of a protein within a cell, which is useful for biomedical research applications.

By convention, the names of peptides are always written from left to right, beginning with the N-terminal end. For example, the name glycyl-histidine-phenylalanine refers to a peptide that comprises glycine at the N-terminus, followed by a histidine, and then phenylalanine at the C-terminus.

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Answer:275.4 g Al2O3

Explanation: The mass of Al2O3 formed is 2.7 mol * 102 g/mol = 275.4 g. This is because the molar mass of Al2O3 is 102 g/mol. This means that when 1 mol of Al2O3 is formed, it has a mass of 102 g. Therefore, when 2.7 mol of Al2O3 is formed, it has a mass of 2.7 mol * 102 g/mol = 275.4 g.

Because of its simplicity, comparatively low cost, great sensitivity, and rapid separation, TLC is an extensively used analytical method.

Using a thin stationary phase supported by an inert backing, thin layer chromatography (TLC) is a chromatographic technique used to separate the components of a mixture. It can be carried out on an analytical scale to track the development of a reaction or on a preparative scale to purify minute quantities of a chemical. Similar to all chromatography, TLC works on the premise that a chemical will have varying affinities for the mobile and stationary phases, which will influence how quickly it migrates. TLC aims to produce well-defined, well-separated spots.

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The estimated time of death is approximately 10:30 pm the night before.

Estimating the time of death (TOD) can be a complex process, and the methods used will depend on the specific circumstances of the case. Some of the factors that may be taken into consideration include:

It is important to note that estimating the TOD is not an exact science and there are often significant margins of error. A professional forensic examination is typically needed to determine the TOD.

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Answer:

Student C.

Explanation:

At higher temperatures, the particles move faster and collide with each other more frequently, which causes the gas to occupy a larger volume. At lower temperatures, the particles move slower and collide less frequently, which causes the gas to occupy a smaller volume.

When the balloon is placed in the freezer, the temperature inside the balloon will also decrease, causing the gas particles to slow down and collide less frequently, which leads to a decrease in the volume of the gas, hence the balloon will shrink or contract. On the other hand, the room temperature balloon will experience no significant change in the temperature and the gas particles inside the balloon will remain at the same level of activity, causing the balloon to retain the same volume.