Which characteristic feature of the sternum should the nurse observe in a client with the diagnosis of pectus carinatum?

Vasoconstrictor Preservative is the solution that is added to the cartridge of local anesthetic that can trigger bronchospasms.

Contraction of the muscles that line the airways (bronchi) in your lungs is referred to as bronchospasms. This causes difficulty in breathing. Chest tightness, Wheezing, Shortness of breath, Difficulty breathing are some of the symptoms of bronchospasms.

Vasoconstrictor Preservative is an additive which is used in local anesthetic. It enhance the duration and quality of the local anesthetic and also decreases surgical blood loss. Local anesthetics without a vasoconstrictor should be used in patients with sulfite allergy. Epinephrine, Levonordefrin, and Norepinephrine are some of the vasoconstrictors used with local anesthetic.

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As the elevator (lift) moves to the top of the ramp, the skier's potential energy increasing .

Potential energy is a form of stored energy that is dependent on the relationship between different system components. A spring has more potential energy when it is crushed or stretched.

A steel ball has far more potential energy raised above the ground than has after falling to Earth. In the raised position it is capable of doing more work.

Potential energy is a characteristic of systems rather than of particular bodies or particles; for instance, the system made up of Earth and the raised ball has more potential energy as they become further apart.

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Volume = 5x3x10 = 150 cm cubed

Mass = 150x100 = 15000 grams

Density = 15000/150 = 100g/cm cubed

The density is 3.193 × 10^15 g/cm3.

Given;

Diameter = 1 x 10-13 cm

Mass = 1.673 x10-24 g

Volume = 4/3πr^3

Volume = 4/3 × 22/7 × (1 × 10^-13 / 2)^3

Volume = 11 × 10^-39 / 21

Density = Mass / Volume

            = 1.673 x10-24 / 11 × 10^-39 / 21

Density = 3.193 × 10^15 g/cm3

What is density?

The amount of objects, including people, animals, plants, and other living things, that are present in a region is known as the density. The number of objects is divided by the area to determine density. The number of inhabitants in a nation divided by its size, measured in square kilometers or miles, is the population density of that nation.

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The element in question is Sodium

An atomic mass unit is defined as 1/12 th of the mass of carbon-12 atom.

The mass of an atom is mainly due to its protons and neutrons in the nucleus.

Weight of a proton is 1.6 x 10^-27 kg

Weight of a neutron is 1.6 x 10^-27kg

However weight of an electron is 9 x 10^-31kg and hence is negligible in calculation of amu

It is given that weight is 23 AMU and number of protons is 11

The protons in a nucleus also act as atomic number of the periodic table

Proton number 11 is the atomic number of Sodium

Hence the element is Sodium

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The ionic compound sodium chloride, also referred to as salt, has the chemical formula NaCl, which denotes a 1:1 ratio of the ions sodium and chloride. The molar weights of 39.34 g Na and 60.66 g Cl in 100 g of NaCl are 22.99 and 35.45 g/mol, respectively.

If 45.98 g of sodium combines with an excess of chloride gas to form 116.89 g of sodium chloride, what mass of chlorine gas is used in the reaction?

116.89 g – 45.98 = 70.91 g of chlorine must have been used.

The characteristics of sodium and chlorine are as follows:

The characteristics of the chemical sodium chloride are as follows:

In light of this, it may be said that sodium chloride possesses wholly unique properties from those of sodium and chlorine.

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Answer:

The answers are is that they are likely lead and the substance will sink in water.

Explanation:

First of you have the formula Density=Mass/volume

I substituted 51.4 for mass and 4.5 for volume and divided it to get 11.4. According to the table Lead has 11.4 density. Then once you got that you redo the formula and the substance will most likely sink because it has more than 1 g/cm^3.

Hope this helps!

Also I did it on USA Test Prep c:

An example of a pair of isotopes of the same element is Hydrogen and Deuterium. They are similar because they have same atomic number and they are different because they have different mass number.

Hydrogen is a chemical element with the atomic number 1. It is represented with symbol H. Mass number of hydrogen is 1. Hydrogen belong to group 1. It belongs to period 1. Hydrogen is s-block element.

Deuterium is isotope of hydrogen. The atomic of deuterium is 1. The mass number of deuterium is 2. It is also known as heavy hydrogen. It is represented as D or 2H.

Thus from the above conclusion we can say that a pair of isotopes of the same element is Hydrogen and Deuterium.

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If two atoms have the same number of protons in their nucleus, and different no. of neutrons, then they're called isotopes.

What are isotopes?

The term "isotope" refers to an element's atoms that have the same number of protons but differing numbers of neutrons. Because they have the same number of proton, they remain the same element.

The amount of neutrons varies among different isotopes of a given element, resulting in variations in atomic mass. They also differ in the abundance of the surrounding environment.

Therefore, two atoms of the same element with the same number of protons and different number of neutrons are called isotopes.

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Hello!

Density measures... (c) how tightly packed an object's particles are.

Hope this helps!

Most americans overconsume calcium. fiber. added sugars. potassium because in calcium, fiber added sugars, potassium has an healthy and nutrition food and it does't cause diseases.

Adequate intake of calcium is necessary for bone health as well as for basic biological functions such as nerve transmission, vasoconstriction, vasodilation, and muscle contraction. adequate potassium intakes are associated with optimal blood pressure and may reduce the risk of developing kidney stones and bone loss. fiber may protect against cardiovascular disease, obesity, and type 2 diabetes, and it is essential for digestive health. that's why most american's overtake this calcium, fiber added sugars, potassium

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The melting point and the normal boiling point of water in respective temperatures in kelvins are 273 and 373. The correct option is 5.

The boiling point is the point of water when the water vapor of the water is equal to the water vapor of the atmosphere.

The melting point is the point when a solid-state converts into liquid, and changes its physical state.

In Celsius, the boiling point is 100⁰C

In Kelvin, 273 + 100 = 373 K

The melting point is ice is 0⁰C

273 + 0 = 273 K

Thus, the correct option is 5. 273 and 373.

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Ions are any molecules that have a charge. (positive or negative.) Group 1 atoms have 1 valence electron, so their ions are formed by giving away one electron. Group 7 atoms have 7 valence electrons, so their ions are formed by gaining one electron. This process gives the atom a full shell of 8, which makes it stabilized.

In the bottle active ingredient are 1.9mL

The concentration in percent by volume can be expressed in the volume of the solute in mL per 100 mL of the solution. as such for a cough syrup with a concentration of 5.00 percent by volume, for every 100 mL of the solution, there are 5.00 mL of the active ingredient. from this the volume of the active ingredient in 38.0 mL of the cough syrup will be calculated as:

Volume of active ingredient = 38.0 mL × 5.00mL / 100mL = 1.9ml

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Answer:

a standard by which something may be judged.

Explanation:

The web's connectivity advantage allows for data and resource sharing that enables communication with a website.

In our daily lives, communication helps us build relationships by allowing us to share experiences and needs and connect with others. It is the essence of life that allows us to share We all need to communicate.

In our daily lives, communication helps us build relationships by allowing us to share experiences and needs and connect with others. It is the essence of life that can be shared. We all need to communicate. Effective communication results in a sense of satisfaction and accomplishment for all involved. Clearly communicating your message leaves no room for misunderstandings or message changes, and reduces the chance of conflicts.

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An isotope of sodium (Na) has a mass number of 22 it have 11 neutrons

Isotopes are members of a family of an element that all have the same number of protons but different numbers of neutrons. protons are the positively charged particles which are present in the nucleus of an atom. a neutron is a subatomic particle found in the nucleus of every atom except that of simple hydrogen. here sodium (Na) has a mass number of 22 so, in that sodium 11 proton are present and 11 neutron are present.

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Answer:

earning

Explanation:

yeah its ok

The correct answer is 0.15.

We are aware that there is 0.05 mol of an unidentified hydrocarbon we will refer to as "X" and that its burning produces 6.6 g of carbon dioxide and 3.6 g of water.

These quantities might be converted to moles by applying the following formula:

amount= mass/ relative atomic mass

Thus, the following equation may be written for H2O: moles = 3.6 / 18 = 0.2 and for CO2: moles = 6.6 / 44 = 0.15.

0.05X + x'O2 = 0.15CO2 + 0.2H2O

This may be made simpler by dividing through by 0.05 (this step is likely to be the most helpful to you), resulting in:

1 x + x O2 = 3 co2 + 4 H2O

The hydrocarbon must have been the source of all the carbon in the carbon dioxide and all the hydrogen in the water.

Accordingly, 4 x 2 = 8 moles of H and 3 x 1 = 3 moles of C.

There are 3/1 = 3 Cs and 8/1 = 8 Hs in one X molecule.

This clearly identifies C3H8 or propane as the hydrocarbon X (dividing by 1 seems unnecessary, but it illustrates the process to use if there were more than one mol of X in the first equation).

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If a lone pair is participating in resonance, this capability the atom is both Sp2 or Sp hybridized. Looking at the Sp2 case, that ability there are 3 Sp2 orbitals and one P orbital. Assuming there is no formal cost on the atom, the three hybrid orbitals are used for bonding and the lone P-orbital holds the lone pair. Sp3 orbitals are no longer involved with resonance so the lone pair worried in resonance should never be in an Sp3 orbital.

A mathematically described area round a nucleus in an atom or molecule that may also include zero, one, or two electrons Electrons organize themselves in cloudlike areas round the nucleus referred to as orbitals.

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Answer:

D.

Explanation:

An Arrhenius acid is a compound that increases the H+ ion concentration in a water solution.

1.843 cm is the inner diameter of a 21.0 cm long cylindrical glass tube.

What is inner diameter of a cylinder?

Two times the wall thickness of the pipe is subtracted from the total exterior diameter to determine the inner diameter of the pipe. By removing the pipe's walls from the computation, just the internal diameter remains.

Lets volume of tube be V

V = 44.23/0.789

calculate by using conversion factor= 56.058 cm^3

Volume of cylinder = πr^2h

⇒ r^2= [tex]\frac{V}{\pi h}[/tex] ,

⇒ r = [tex]\sqrt{\frac{V}{\pi h}}[/tex]

⇒ r = [tex]\sqrt{\frac{56.058 }{\pi 21}}[/tex]

⇒ r = 0.9215 cm

And as we have radius, we can calculate diameter

d = 2r   = 2 × 0.9215 cm   = 1.843 cm

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the mass percent is 45.67%

The mass percentage of a solution is calculated as the solute concentration in grams per 100 g of the solution.

Given that 39.5 g of water dissolves 33.2 g of ammonium carbonate.

∴

Mass of the solution is (33.2+39.5) g = 72.7 g

So, the solution of 72.7 g includes 33.2 g of ammonium carbonate.

So 100 g solution contains

33.2/72.7×100≈45.67 g ammonium carbonate

Thus the mass percentage of the solution is 45.67%

One approach to show the concentration of an element in a compound or component in a combination is as a mass percentage. The mass percentage is computed by dividing the total mass of the combination by the mass of each component and multiplying the result by 100%.

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Answer:

Noble gases are nonreactive, nonmetallic elements in group 18 of the periodic table. They have eight valence electrons, which fill their outer energy level.

Explanation:

Answer:

Noble gases are nonreactive, nonmetallic elements in group 18 of the periodic table. Noble gases are the least reactive of all elements. That's because they have eight valence electrons, which fill their outer energy level.

The factors might include:

What is Error in measurement?

Error in Measurement can be defined as difference in value between the actual value and the measured value.

There are some factors that might have contribute to the inaccuracy in the measurement of the metal block and they include :

The students may have have used a faulty instrument or an inaccurate instrument. The accuracy of the measurement will depend on the kind of scale they used. A kitchen scale, for example, is probably less accurate than a calibrated scale in a chemistry lab.

Random errors occurs when there might have been an error due to inability to read the accurate value of the instrument.

Density varies with temperature and their might have been slight changes in temperature leading to inaccuracy in the readings.

In conclusion, errors can be mitigated by taking into account when we make a measurement by reporting an uncertainty value.

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Answer:

C

Explanation:

For electromagnetic waves frequency X wavelength = speed of light

                                                f * 2.2 x 10^-11  = 3 x 10^8  m/s

                                         f = 3 x 10^8 / 2.2 x 10^-11

                                            = 1.36 x 10 ^19

                                             = 1.4 x 10^19   with two significant digits

Answer: it's not C, it is A.

Answer:

Tug of War

An object sinking in water

Kicking a ball

Answer:

turning a cartwheel.

riding a skateboard.

a football sailing toward the goalpost after it is kicked

Hg is a heterogeneous mixture, not a homogeneous mixture.

In chemistry, a mixture is a substance consisting of two or more different chemical substances that are not chemically combined. A mixture is two or more substances physically combined in which they retain their identity and are mixed in the form of solutions, suspensions, and colloids.

A mixture is formed when two or more different substances are physically combined and can be separated into their original substances. A chemical reaction occurs when two or more substances combine to form a new substance that cannot be converted back into the original substance.

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The small intestine is the site of digestion and absorption of minerals and vitamins and the rest of the water material is passed into the large intestine.

The small intestine has a highly coiled structure of about 7.5 meters in length. In the small intestine, the acidic chyme is mixed with pancreatic juice, bile juice, and intestinal juice and comes into contact with the enterocytes present in the villi. Digestion of all nutrients is complete. Carbohydrates get broken down into monosaccharides. Proteins are broken down into amino acids. Absorption of nutrients through the enterocytes occurs through diffusion, osmosis, facilitated diffusion, and active transport. Water present in the digested food is absorbed by osmosis. Smaller fat-soluble substances (fatty acids and glycerol) diffuse through the cell membranes. Larger molecules are transported inside the villi by other transport mechanisms.

Monosaccharides and amino acids move into the blood capillaries present in the villi. Fatty acids and glycerol move into the lacteals and the thoracic duct through the lymphatic vessels. From there, they enter circulation. Some proteins are absorbed unchanged. For example, antibodies present in breast milk or poliomyelitis vaccine are absorbed directly. Vitamins, minerals, and water are absorbed from the small intestine into blood capillaries. Fat-soluble vitamins are absorbed along with fatty acids and glycerol into the lacteals. Vitamin B2 is absorbed in the terminal ileum. Out of all the fluid entering the alimentary tract every day, only 1500 ml is not absorbed in the small intestine and passes into the large intestine.

Therefore, the small intestine is the site of digestion and absorption of minerals and vitamins and the rest of the water material is passed into the large intestine.

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Answer: Mass number is 15

Explanation:

Mass number of an atom is the sum or total number of protons and neutrons present in the atom. It is represnted by the letter A

The Atomic number (Z) of an atom is defined as the number of protons in an atom and it is equal to the number of electrons present in the atom.

A= n + p

where n is the number of neutrons and p is the number of protons present in the atom

Z = p = e

Where p is the number of protons and e is the number of electrons present in the atom

Z for oxygen atom is 8

So, Z = p = 8 for oxygen atom

If n = 7

then A for oxygen atom with 7 neutrons is given by

A= n + p = 8+7 = 15.

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