a specimen for potassium was drawn in a tube without anticoagulant at 6 am during a traumatic patient stick. the results were 6.0 mmol/l. why are the results elevated?

Answer:

4.98 x 10^-18 mole

Explanation:

1 mole has 6.022 x 10^23 particles

so 3,000,000/(6.022 x 10^23) = 4.98 x 10^-18 mole

Here's link to the answer:

tinyurl.com/wpazsebu

Answer:

A

Explanation:

it's Conventional Movement

Answer:

4752 ft/min.

Explanation:

The following data were obtained from the question:

Speed (in mph) = 54 mph

1 mile = 5280 feet

1 hour = 60 minutes

Speed ( in ft/min) =?

Next, we shall convert 54 mph to ft/h. This can be obtained as follow:

1 mph = 5280 ft/h

Therefore,

54 mph = 54 mph × 5280 ft/h / 1 mph

54 mph = 285120 ft/h

Finally, we shall convert 285120 ft/h to ft/min. This can be obtained as follow:

1 ft/h = 1/60 ft/min

Therefore,

285120 ft/h = 285120 ft/h × 1/60 ft/min / 1 ft/h

285120 ft/h = 4752 ft/min

From the calculations made above, 54 mph is equivalent to 4752 ft/min.

Answer:

The name of that molecule should be 1-pentyne

so your answr should be B

Explanation:

Molecules are species made up of atoms. The given molecule in the figure is 1-pentyne. Thus, option B is correct.

1-Pentyne is a chemical compound with the formula C₅H₈, and an internal alkyne group between the first and the second carbon atom.

The molecules consist of twelve bonds including the bonds between the carbon-carbon, and carbon-hydrogen. There is one triple or the alkyne bond present and five carbon hence the name of the molecule is 1-Pentyne.

Therefore, the molecule is option b. 1-Pentyne.

Learn more about 1-Pentyne here:

https://brainly.com/question/15397834

#SPJ2

Answer:

1 has the highest density because it has the most amount of circles in the least amount of space- it is the most densely filled with circles; it is the most dense.

Answer:

image 1 would have the highest density

Explanation:

the closer the molecules are the more solid an object is. if the molecules are far apart and rarely bump into eachother, it is more gaseous. the object in the middle (2) is a liquid

The increasing order of entropy for the substances given is as follows.

1. Ice

2. Water

3. Vaopr

Entropy is used to measure how random the particles in a system are. If the particles are in complete disarray, they have a higher entropy value. On the other hand, if they are perfectly arranged with no possible movement, then the substance has less or minimal entropy.

Entropy is one of the fundamental concepts in Thermodynamics and is associated with energy distribution in an isolated system. To be more precise, it also gives us different ways in which the particles can be distributed within the isolation.

In natural systems, entropy tends to increase with the passage of time, as all particles automatically turn toward disorders.

In the given cases, Ice has the least entropy as its solid particles have no room to move around, and their movements are restricted to vibrations only. Whereas for Vapor, due to very low forces between particles, they have near complete freedom of movement. Liquids like water come in between with their intermediate mobility.

Thus, the increasing order of entropy turns out to be Ice, Water, and Vapor.

For more on Entropy,

brainly.com/question/32484278

#SPJ4

No, the amount given to the policeman at the end of his 10-hour shift, which is 0.4 kg, is not the correct amount based on the payment rate of 1 mole per hour.

To determine if the amount is correct, we need to convert the given mass of 0.4 kg to moles using the molar mass of calcium [40 Ca].

The molar mass of calcium is approximately 40.08 g/mol. Since the atomic mass of calcium is close to 40 g/mol, we can assume that the given molar mass refers to calcium-40, denoted as [40 Ca].

To convert the mass to moles, we can use the formula:

moles = mass (in grams) / molar mass

moles = 0.4 kg * 1000 g/kg / 40.08 g/mol

moles ≈ 9.98 mol

Therefore, the amount of calcium [40 Ca] the policeman received after his 10-hour shift is approximately 9.98 moles, not 1 mole per hour as stated in the payment rate.

Thus, the amount given to him is significantly higher than the correct amount. It appears there may have been an error in the payment calculation or a misunderstanding regarding the payment rate.

For more such questions on amount visit:

https://brainly.com/question/28902645

#SPJ8

The current ID of the MOSFET when operating at the edge of saturation is 1.449 mA. To calculate this, we need to calculate the value of VGS - Vth, which is 2.0 V - 0.9 V = 1.1 V.the transistor has a drain current of approximately 0.5824 mA when operating at the edge of saturation

To find the drain current (ID) when the transistor is operating at the edge of saturation, we can use the following equation:

ID = 0.5 * k' * (W/L) * (VGs - VTh)^2

Given:

k' = 800 μA/V^2 (microamperes per volt-squared)

W/L = 12

VTh = 0.9 V (threshold voltage)

1 = 0.07 V^-1 (inverse of channel length modulation parameter)

VGs = 2.0 V (gate-source voltage)

Plugging in the values into the equation:

ID = 0.5 * 800 μA/V^2 * 12 * (2.0 V - 0.9 V)^2

ID = 0.5 * 800 μA/V^2 * 12 * (1.1 V)^2

ID = 0.5 * 800 μA/V^2 * 12 * 1.21 V^2

ID = 582.4 μA

Converting from microamperes to milliamperes:

ID = 582.4 μA * (1 mA / 1000 μA)

ID ≈ 0.5824 mA

To know more about  current ID Visit:

https://brainly.com/question/20215204

#SPJ11

The current ID of the NMOS transistor operating at the edge of saturation is 4.8 mA. We are required to find the current ID of an NMOS transistor that is operating at the edge of saturation by given parameters.

Let's find the current ID of the transistor using the given parameters.

First, we need to find the value of VDS by using the formula VDS=VGs-VTh.

Substituting the given values in the above equation, we get VDS=2V - 0.9V=1.1V

We can obtain the value of VGS-VTh by using the following formula VGS-VTh=1.1V

Substituting the given values in the above equation, we get VGS-VTh=1.1V

For the given values of k', W/L, and VGS-VTh,

we can calculate the current ID using the formula ID=1/2k'[(W/L)(VGS-VTh)]²(1+λVDS)

Where λ is the channel-length modulation parameter given as 0.07 V-1.

Substituting the given values in the above equation, we get ID = 1/2 (800 µA/V²)[(12)(1.1V - 0.9V)]²(1+ 0.07 V-1 × 1.1V)ID = 4.8 mA

Thus, the current ID of the NMOS transistor operating at the edge of saturation is 4.8 mA.

To learn more about transistor visit;

https://brainly.com/question/30335329

#SPJ11

Answer:

This is the formula for lithium acetate, C2H3LiO2

Answer:

1.42L of the 9.0M NaOH are required

Explanation:

Molarity is an unit of concentration in chemistry defined as the ratio of the moles of a solute (In this case NaOH) and the volume of the solution.

To solve this question we must know the moles of NaOH required in 4.25L of a 3.0M NaOH as follows:

4.25L * (3.0moles / L) = 12.75 moles of NaOH are required

As all NaOH must come from the 9.0M NaOH the volume we need is:

12.75 moles NaOH * (1L / 9.0 moles NaOH) =

The ionization values belong to the element magnesium (Mg). Ionization values help us determine the amount of energy that will be required to remove one or more electrons from an atom. The third period is where we can locate the element that has these ionization values.

These ionization values are listed in the table given below:Element: Mg (Magnesium)First ionization energy: 738 kJ/molSecond ionization energy: 1450 kJ/molThird ionization energy: 7732.7 kJ/mol

For a neutral atom, the first ionization energy (IE1) is the amount of energy required to remove an electron from the outermost shell. As we move from left to right in a period, the ionization energy increases. In the third period, Mg (magnesium) has first, second, and third ionization energies of 738 kJ/mol, 1450 kJ/mol, and 7732.7 kJ/mol, respectively. Magnesium is a chemical element that has an atomic number of 12. It has two valence electrons and is located in group 2 of the periodic table. Magnesium has a melting point of 1,202°F (650°C) and a boiling point of 1,994°F (1,090°C). It is a silver-white metal that is widely used in the manufacture of alloys and other industrial applications.

learn more about ionization energy

https://brainly.com/question/20658080

#SPJ11

The daughter nuclide from the beta decay of 210(top)/82(bottom)Pb is 210/83Bi. The correct answer is D) Bi.

To determine the identity of the daughter nuclide from the beta decay of 210(top)/82(bottom)Pb, we need to understand the process of beta decay and how it affects the atomic number and mass number of the parent nuclide.

In beta decay, a neutron in the nucleus is converted into a proton, and an electron (beta particle) and an antineutrino are emitted. This results in an increase in the atomic number by one while the mass number remains the same.

The parent nuclide is 210(top)/82(bottom)Pb, which means it has an atomic number of 82 and a mass number of 210.

During beta decay, a neutron in the nucleus is converted into a proton, so the resulting daughter nuclide will have an atomic number of 83. The mass number remains the same at 210.

Therefore, the correct answer is D) Bi. The daughter nuclide from the beta decay of 210(top)/82(bottom)Pb is 210/83Bi.

Learn more about beta decay from the link given below.

https://brainly.com/question/4184205

#SPJ4

The does not depend on the initial concentrations or amounts of reactants and products present in the system.

The value of the equilibrium constant (K) for a reaction changes when the reaction equation is reversed or multiplied by a constant.

When a chemical reaction is reversed, the value of the equilibrium constant becomes the reciprocal of the original equilibrium constant.

For example, if the original reaction has an equilibrium constant of K, the reversed reaction would have an equilibrium constant of 1/K.

When the coefficients of the balanced equation are multiplied by a constant, the value of the equilibrium constant is raised to the power of that constant.

For example, if the original reaction has an equilibrium constant of K, and the coefficients are doubled to balance the equation, the new equilibrium constant would be K^2.

It is important to note that the value of the equilibrium constant is a characteristic of the chemical reaction and does not depend on the initial concentrations or amounts of reactants and products present in the system.

Learn more about Equilibrium constant (K)

brainly.com/question/29802105

#SPJ11

Miescher’s work on the discovery of nucleic acids and his work on their chemical composition was a critical first step in understanding the nature of genetic material.

The work of Johann Friedrich Miescher significantly contributed to our understanding of the chemical nature of genetic material. In 1869, Miescher isolated a novel substance from the nuclei of white blood cells, which he called "nuclein" - later known as nucleic acids. His discovery laid the foundation for understanding the role of nucleic acids in heredity.

Miescher's experiments demonstrated that nuclein was distinct from proteins and carbohydrates, hinting at a unique biological function. Further research by other scientists, inspired by Miescher's findings, revealed that nuclein was composed of two types: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). This eventually led to the identification of DNA as the primary carrier of genetic information.

Miescher's pioneering work paved the way for subsequent discoveries in molecular biology, such as Watson and Crick's elucidation of the DNA double helix structure and the central dogma of molecular biology, which explains how genetic information is transferred from DNA to RNA to proteins. In summary, Johann Friedrich Miescher's research was instrumental in establishing nucleic acids as the key components of genetic material and in advancing our understanding of molecular biology.

Learn more about Johann Friedrich Miescher here: https://brainly.com/question/30235377

#SPJ11

Answer:

d. malleable

Explanation:

Other important characteristics of aluminum include low density (which is only around three times that of water), ductility (which allows it to be stretched into a wire), and malleability (which means it can be easily formed into a thin sheet).

The energy needed to break six carbon-carbon bonds is 5535.1 KJ/mol, which is equal to the average bond enthalpy of one carbon-carbon bond in benzene. 5535.1 KJ/mol is the reaction's average enthalpy change.

With the molecular formula C6H6, benzene is an organic chemical substance. Six carbon atoms linked together in a planar ring, with one hydrogen atom connected to each, make up the benzene molecule. Benzene is a hydrocarbon since it is made up only of carbon and hydrogen atoms.

Two carbon atoms form a covalent link when they are in a carbon-carbon bond. The single bond, made up of two electrons—one from each atom—is the most prevalent type of link. The single link between the carbon atoms, known as a sigma bond, is created by one of their hybridized orbitals.

Equation of reaction: C6H6(g) --> 6C(g) + 6H (g)

H = (6*217.94 + 6*718.1) - (82.9) KJ/mol = (5618.04) - (82.9) = 5535.1 KJ/mol

Learn more about benzene here

https://brainly.com/question/14525517

#SPJ4

The statement "nitric oxide arises from internal combustion engines" is true because it is produced as a byproduct in internal combustion engines.

Nitric oxide forms due to the high-temperature conditions in the engine, where nitrogen (N₂) and oxygen (O₂) from the air combine during the combustion process.

Nitric oxide, along with nitrogen dioxide (NO₂), are together referred to as nitrogen oxides (NOx). These compounds contribute to air pollution, smog, and acid rain, posing environmental and health risks. Many regulations and emission control technologies, such as catalytic converters, are in place to reduce NOx emissions from internal combustion engines to minimize their negative impact on the environment.

Learn more about nitrogen oxides here: https://brainly.com/question/16170873

#SPJ11

Ca(OH)₂⇒ Ca²⁺ + 2OH⁻

s                 s         2s

Ksp = [Ca²⁺][OH⁻]²

Ca(NO₃)₂ ⇒ Ca²⁺ + 2NO₃⁻

0.1 M             0.1        0.2

Input in Ksp

1.3 x 10⁻⁶ = 0.1 . 4s²

s² = 3.25 x 10⁻⁶

s = 1.8 x 10⁻³

1.8 x 10⁻³ is the molar solubility. Solubility is the amount of a substance that can be dissolved in a liquid to form a solution.

Solubility is the amount of a substance that can be dissolved in a liquid to form a solution; it is typically represented as grammes of solute every litre of liquid. One fluid's (liquid or gas) solubility in another can be entire (e.g., methanol and water are completely miscible) or partial (e.g., oil and water barely mix). Generally speaking, "like dissolves like" (for instance, the aromatic hydrocarbons dissolves in one another but not in water).

A material's solubility in two solvents is measured by the distribution coefficient, which is used in some separation techniques (such as absorption and extraction). In general, as temperature rises, so do the dissolution rates of solids in liquids, while they fall as temperature rises and rise with pressure for gases.

Ca(OH)₂⇒ Ca²⁺ + 2OH⁻

s                 s         2s

Ksp = [Ca²⁺][OH⁻]²

Ca(NO₃)₂ ⇒ Ca²⁺ + 2NO₃⁻

0.1 M             0.1        0.2

1.3 x 10⁻⁶ = 0.1 . 4s²

s² = 3.25 x 10⁻⁶

s = 1.8 x 10⁻³

Therefore, 1.8 x 10⁻³ is the molar solubility.

To know more about solubility, here:

https://brainly.com/question/14366471

#SPJ2

We do not have enough information to deduce the isotope that would have nine neutrons. Option 5

The atom is composed of subatomic particles. The subatomic particles that are in the atom are such that we have the electrons that are negatively charged, the protons that are positively charged and the neutrons that are uncharged.

Now, we know that the number of neutrons is obtained as the difference between the mass number and the atomic number of the atom. In this case, we only have the mass numbers and not the atomic numbers thus we do not have sufficient information.

Learn more about neutrons:https://brainly.com/question/28992636

#SPJ1

Answer: A

Explanation:

Extreme weather events follow normal climate patterns.

Answer:c

Explanation:

As the combined mass of the HCl and NaOH is 15 grams before the reaction. Therefore the mass after the reaction will be 15 grams according to the law of conservation of mass. Therefore, option (C) is correct.

Matter can be transformed form via physical changes and chemical changes from one form to another form, during any of these changes, the total mass is conserved. The same quantity of matter exists before and after the chemical or physical as none of the matter is created or destroyed.

The balanced equation between the reaction of HCl and NaOH:

\(HCl +NaOH \longrightarrow H_2O +NaCl\)

According to the law of conservation of mass, the mass of HCl and NaOH will be equal to the mass of the products water and NaCl.

As mentioned in the question the combined mass of HCl and NaOH measured before the reaction is 15 grams. Therefore, the mass of the products in the closed container will be equal to 15 grams as well.

Learn more about law conservation of matter, here:

brainly.com/question/23910777

#SPJ5

Your question was incomplete,  most probably the complete question was,

Fernando places 15 ml of HCl and 50 ml of NaOH in 100 ml of a beaker. He places them on a scale together and measures the combined mass of 15 grams.

After the HCl and NaOH react, Fernando measures the mass again. Using the mass before the reaction, what is the mass after the reaction? Remember, It is in a closed system.

A. 5.00 grams

B. 10.00 grams

C. 15.00 grams

D. 20.00 grams

In uncompetitive inhibition, the inhibitor binds only to the ES complex Inhibitors that are not competitive bind at a location other than the active site.

Option F is correct .

Inhibitors that are not competitive only bind to the enzyme–substrate complex. The relationship between the inhibitor potency and the concentration of the substrate is different for each of these different inhibitory mechanisms. Inhibitors that are not competitive bind at a location other than the active site. Before the enzyme and substrate form the enzyme-substrate complex, uncompetitive inhibitors do not bind to the enzyme. allosteric site: a site other than the dynamic site on a catalyst.

In uncompetitive hindrance, otherwise called enemy of cutthroat restraint, a chemical inhibitor ties only to the perplexing that has framed between the catalyst and the substrate, as opposed to the actual compound (the E-S complex).

Incomplete question :

In uncompetitive inhibition, the inhibitor binds only to the ______.

A: isozymes

B: [A]

C: the rate constant

D: Ping Pong

E: bimolecular

F: ES complex

G: random ordered

H: unimolecular

I: [A]2

J: competitive inhibition

K: phosphorylation

L: small KS

M: large KS

N: uncompetitive inhibition

O: [B]

Learn more about competitive inhibitor :

brainly.com/question/30871538

#SPJ4

A high-boiling solvent such as xylene (dimethylbenzene) is employed to speed up the reaction so that it can be conveniently finished.

The Diels-Alder reaction is what?

A conjugated diene and an alkene (dienophile) react to generate unsaturated six-membered rings in the Diels-Alder reaction. The reaction is also known as a "cycloaddition" because it results in the production of a cyclic product via a cyclic transition state.

When compared to solvents like benzene, xylene is less harmful to people. It is metabolized and removed quite quickly, which means that your body transforms it into other compounds and excretes them in urine.

To learn more about Xylene click on the link below:

https://brainly.com/question/13265273

#SPJ4

Answer:

Explanation:

Here, we want to get how the final digit in a measurement is obtained

Mathematically, the final digit can be obtained by estimation

Hence, we say that the value is uncertain

The final digit is obtained by a mark or between the last mark and the next mark in a measurement

Thus, we call this value uncertain since it is estimated

The apparent charge of an atom within a molecule or ion is represented by the oxidation number, which is often referred to as the oxidation state, in chemistry. It is a method of giving an atom a fictitious charge, presuming that all of its shared electrons are entirely transferred to the more electronegative atom in a chemical bond.

The oxidation number may be zero, positive, or negative. After the element symbol, it is frequently expressed as a superscript or Roman numeral.

Learn more about oxidation number:https://brainly.com/question/29100691

#SPJ1

Selective precipitation is useful in qualitative analysis because it allows for the determination of whether a particular ion is present in a solution  (option A).

This technique involves adding a specific reagent to the solution, which reacts with the targeted ion, causing it to precipitate as a solid. By observing the formation of the precipitate, one can confirm the presence of the ion in the solution.

Selective precipitation is important for analyzing complex mixtures, as it enables the separation and identification of individual ions in the mixture. This method is based on the differences in solubility of various compounds, which allows for selective targeting of specific ions. The success of selective precipitation relies on choosing an appropriate reagent that will only react with the ion of interest, and not with other ions in the solution.

Thus, selective precipitation is a valuable technique in qualitative analysis that enables the determination of whether a particular ion is present in a solution. This method is not used to determine if a particular solid is present (option B), nor is it used to assess if the solution is saturated (option C) or unsaturated (option D).

Learn more about precipitation here:

https://brainly.com/question/31198360

#SPJ11

Considering the Charles' law, the gas would have a temperature of -109.2 C.

Finally, Charles' law establishes the relationship between the volume and temperature of a gas sample at constant pressure. This law says that the volume is directly proportional to the temperature of the gas. That is, if the temperature increases, the volume of the gas increases, while if the temperature of the gas decreases, the volume decreases.

Charles' law is expressed mathematically as:

\(\frac{V}{T} =k\)

If you want to study two different states, an initial state 1 and a final state 2, the following is true:

\(\frac{V1}{T1} =\frac{V2}{T2}\)

In this case, you know:

You can see that the pressure remains constant, so you can apply Charles's law.

Replacing in the Charles's law:

\(\frac{10 L}{293 K} =\frac{6 L}{T2}\)

Solving:

\(\frac{10 L}{293 K} T2=6 L\)

\(T2=\frac{6 L}{\frac{10 L}{293 K} }\)

T2=163.8 K= -109.2 C

The gas would have a temperature of -109.2 C.

Learn more about Charles's law:

https://brainly.com/question/4147359?referrer=searchResults

Answer:

Particles stay the same unless there is a chemical change whether the matter is solid, liquid or gas.

Explanation:

in physical changes no new materials are formed and the particles do not change apart from gaining or losing energy