A box sits on a table. An arrow labeled F subscript N points up. An arrow labeled F subscript g points down. An arrow labeled F subscript P points right. An arrow labeled A points left. The box is at rest on the table. Which force is represented by vector A? sliding friction rolling friction static friction fluid friction

1. The IUPAC name of N is nitrogen.

2. Nitrogen dioxide

3.The IUPAC name of O is oxygen

4.The IUPAC name of OH is hydroxyl.

The IUPAC name of ·0 is a radical. It is commonly found in organic chemistry and plays an important role in many reactions.

IUPAC names for the given compounds are:1.1. N: Nitrogen

The IUPAC name of N is nitrogen.

It is a non-metal and belongs to group 15 in the periodic table. It has an electronic configuration of 1s2 2s2 2p3.1.2. NO2: Nitrogen dioxide

Explanation: NO2 is a chemical compound that is formed by the combination of nitrogen and oxygen. It is a reddish-brown gas that has a pungent odor.

The IUPAC name of NO2 is nitrogen dioxide.1.3. O: Oxygen

Explanation: The IUPAC name of O is oxygen.

It is a non-metal and belongs to group 16 in the periodic table. It has an electronic configuration of 1s2 2s2 2p4.

X: UnknownExplanation: No IUPAC name can be given to an unknown compound as the structure and composition are not known.

Y: Hydroxyl Explanation: The IUPAC name of OH is hydroxyl.

It is a functional group that is composed of an oxygen atom and a hydrogen atom (-OH). It is commonly found in alcohols and phenols. ·0: RadicalExplanation: A radical is a molecule or an ion that contains an unpaired electron.

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Note: The complete question is given below

Provide the IUPAC names for the following compounds:

\(CH_3CH_2CH(CH_3)CH_2CH_2CH_2CH_3\)

C6H5CH(CH3)2

H2NCH2CH2CH2CH2CH2NH2

CH3CH2CH2CH2CH2OH

CH3CH2CH2CHOHCH3

Answer:

The person above me is correct  

Explanation:

It's D

The mass of P-32 remaining after 27 days, if the initial mass is 40g is 10.5 g.

The half-life of a radioactive isotope is the amount of time it takes for one-half of the radioactive isotope to decay.

The half-life of a specific radioactive isotope is constant; it is unaffected by conditions and is independent of the initial amount of that isotope.

The number of half lives in 27 days;

n = 27 days/14 days

n = 1.929

The mass of P-32 remaining after 27 days, if the initial mass is 40g;

mass remaining = 40 g / (2^1.929)

mass remaining = 40 g / 3.808

mass remaining = 10.5 g

Thus, the mass of P-32 remaining after 27 days, if the initial mass is 40g is 10.5 g.

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Answer: 78.59 lb/ft

Explanation:

use stoichiometry to solve

1.26g/cm x ( 1pound/ 454 grams) X (28317 Cm/1 ft) =  78.59 pounds/ft

As you can see the picture, in the three given compounds i.e. ethane, ethene and ethyne, ethyne have shortest bond. Bond length of ethyne is very short when compared to the ethane and ethene. Shorter the bond, bond strength will be more. Hence, our answer is ethyne.

Answer:

ethyne has shortest bond

The statement that best explains why multiple organelle types are required to perform the complete animal cell cycle of obtaining, using, and disposing of food is: Different organelles are specialized to perform different functions within the overall process. Option A is the correct answer.

This refers to is a subcellular structure that has one or more specific jobs to perform in the cell. it is more like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information. Mitochondria, which produce chemical energy and ribosomes, which assemble proteins.

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No, 48 ounces are not enough. For making a small robot we need 64 ounces which is equal to 4 pounds.

Pound is a unit for measuring weight. 16 ounces makes one pound.

Ounce is also a unit for measuring weight. 16 ounces is equal to 1 pound

So, for making one small robot we need 4 pounds.

1 pound = 16 ounces

4 pounds = 64 ounces

But, we have 48 ounces

We need more = 64 - 48 = 16 ounces or 1 pound

No, 48 ounces are not enough. For making a small robot we need 64 ounces which is equal to 4 pounds.

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Answer: Industrial processes including mining and manufacturing historically have been leading causes of soil pollution. Industrial areas typically have much higher levels of trace elements and organic contaminants. This is due to intentional and unintentional releases from industrial processes directly into the environment, including to the soil, adjacent water bodies, and the atmosphere.

Explanation:

The volume of ammonia would be produced by this reaction 4.56mL of nitrogen were consumed is 9.13 mL of ammonia.

Volume is a unit used to describe how much space a substance or thing takes up. It is a real thing with a physical value that can be measured in liters, milliliters, cubic meters, or cubic centimeters.

The chemical equation for the reaction of nitrogen and hydrogen gases to produce ammonia gas is as follows:

N₂ + 3H₂ → 2NH₃

The balanced equation's stoichiometry states that 2 moles of ammonia are created when 1 mole of nitrogen combines with 3 moles of hydrogen. This indicates that nitrogen and ammonia have a mole ratio of 1:2.

We must first estimate how many moles of nitrogen were reacted in order to calculate the volume of ammonia created. The ideal gas law allows us to do the following:

PV = nRT, where R is the gas constant, n is the number of moles, P is the pressure, V is the volume, and T is the temperature.

We can assume that the pressure is constant and cancel it out because the gases are not contained:

V = nRT/P

The volume of 1 mole of gas is 22.4 L at standard temperature and pressure (STP), which are 0°C and 1 atm. As a result, the amount of nitrogen that reacted was:

n(N2)  = 4.56 mL × (1 L/1000 mL) × (1 mol/22.4 L) × 0.000204 moles.

As nitrogen and ammonia have a mole ratio of 1:2, the amount of ammonia produced is calculated as follows: n(NH₃) = 2 × n(N₂) = 0.000408 moles

In order to calculate the volume of ammonia produced, we can once more utilize the ideal gas law:

V(NH₃) = n(NH₃) × V(molar)= 0.000408 moles × 22.4 L/mol = 0.00913 L.

The amount of ammonia produced, rounded to three significant digits, is 9.13 mL = 0.00913 L. Hence, the answer is: 9.13 mL of ammonia.

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Answer: Where is the folowing?

Explanation:

Explanation:

Silver halides are ionic crystals consisting of a regular cubic lattice of Ag and halide ions together with a small proportion of defects, such as Ag ions that have been displaced from their regular lattice position to another “interstitial” position (the Ag ions are much smaller than the halide ions), and the corresponding vacancy in the lattice.

The application of silver halides in darkening effect in industry can be seen in the production of photographic film.

This compound is usually formed when Silver reacts with an halogen under special conditions.

In photography, it is used in the production of photographic film which darkens to produce an image when exposed to light due to the effect of the compound.

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The formula for the ionic compound formed from aluminum and selenium is Al₂Se₃.

The compound is formed by the transfer of electrons from aluminum to selenium, resulting in the formation of positively charged Al³⁺ ions and negatively charged Se²⁻ ions. The number of atoms in the resulting compound is determined by the need to balance the charges of the ions. Since aluminum has a +3 charge and selenium has a -2 charge, two aluminum atoms, and three selenium atoms combine to form Al₂Se₃.

I hope this helps! Let me know if you have any further questions.

Ancef (Cefazolin) is a first-generation cephalosporin antibiotic that is used to treat bacterial infections. Cefazolin is available in several formulations, including injectable, intravenous, and powder for injection.

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The argument for Harnessing Human Energy  for the School Principal is written below

Dear Principal Tom,

Human power as we have been taught is the effort or energy created by a human being. It is one that can be said to be pace of work per time. The Muscles act as the main source of power, and body heat can also be used for tasks like warming food, shelters, or other people.

There are lot of reasons why we need to make use of these energy and this is coming form the fact that energy from the environment is transformed by humans into forms that are very beneficial for their activities.

An example to buttress this point is from the first person to understand that running a magnet via a copper wire could create an electric current was an English physicist named Michael Faraday. It was a truly remarkable finding. Magnets and copper wire coils are used in enormous power plants to create almost all of the electricity we use today. Therefore, harnessing human energy can do us more good than harm.

From

John Joe.

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The equilibrium constant shows the extent of dissolution of a substance in solution. The molar solubility of the compound here is 1.2 * 10^-8 M.

The solubility product is the equilibrium constant that shows the extent to which a substnace is dissolved in soution.

Now let us set up the ICE table as shown;

               Cr(OH)3 (s) <-> Cr^3+ (aq) + 3OH^- (aq)

I                                           0                 0

C                                          +x               +3x

E                                          x                   3x

Ksp = [Cr^3+] [OH^- ]^3

6.3x10^-31 = [x] [3x]^3

6.3x10^-31 = 27x^4

x = 4√6.3x10^-31 /27

x = 1.2 * 10^-8 M

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Answer:The oxygen is coming from the atmosphere.

Explanation:

Answer:

chemical reaction hope this helps ;)

Explanation:

The density of the gold is 2.5 * 10^2 g/cm^3.

We have to know that the density is one of the properties of the material that help us to be able to know the kind of material that we have. In this case, we are told that the material that we have to deal with here is gold.

Volume of the gold = 4/3πr^3

Where r = radius = 272 * 10^-12/2 = 1.36 * 10^-8 cm

Volume = 4/3 * 3.142 * (1.36 * 10^-8)^3

= 1.1 * 10^-23 cm^3

The we have that;

Density = mass/ volume

Density = 27x 10^-13 * 10^-9 g/ 1.1 * 10^23 cm^3

2.7 * 10^-21/1.1 * 10^-23 cm^3

= 2.5 * 10^2 g/cm^3

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Answer:

2. A comet is made of ice, dust and gas that vaporize as the comet moves closer to the sun, leaving a trail.

Explanation:

These particles and gases make a cloud around the nucleus, called a coma. The coma is lit by the Sun. The sunlight also pushes this material into the beautiful brightly lit tail of the comet.

O=O is not a compound.

A compound consist of two different molecule at least.

Here same atom of oxygen is present in the molecule.

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Answer:

She transfers energy out of the medicine until it is solid. So the answer would be C.

Explanation:

According to the forces of attraction , molecules can be slowed down by moving out of the medicine until it is a solid , it will decrease the rate of absorption of medicine.

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different  states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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The resolution of the monochromator is 3.6nm

A monochromator is an optical device that is used to isolate a specific wavelength or range of wavelengths of light from a broader spectrum of light. It is typically used in spectroscopy, where the goal is to measure the intensity of light at a specific wavelength or over a range of wavelengths.

The resolution of a monochromator, Δλeff, is given by the equation: Δλeff = (D^-1) * (exit slit width)

Plugging in the given values:

Δλeff = (1.8 nm/mm) * (500 micrometers)

Converting micrometers to millimeters:

Δλeff = (1.8 nm/mm) * (0.5 mm)

Δλeff = 3.6 nm

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The answer is 2Hz

To calculate frequency, divide the number of times the event occurs by the length of time.

Answer:

In coordination chemistry, anation is the "replacement of the ligand water by an anion in a coordination entity." The term is however used more loosely to include displacement of any neutral ligand by an anion. The reverse reaction, displacement of an anionic ligand by water, is called aquation.

Explanation:

Answer:

Explanation:

Given information:

A designed dialysis unit consists of a large no of small hollow fibers,

Considering the one fiber,

By  using the volume of blood, we have :

\(V =\dfrac{\pi}{4}\times D^2 \times L\)

where:

L = 30cm = (30× 10) mm = 300 mm

Volume = 80 ml = 80 × 10³ mm

From the above equation, making D the subject, we have:

\(4 V ={\pi}\times D^2 \times L\)

\(D^2 =\dfrac{4 V }{{\pi}\times L}\)

\(D^2 =\dfrac{4 \times 80 \times 10^3 }{ \pi \times 300}\)

D² = 339.53

\(D = \sqrt{339.53}\)

D = 18.43 mm

D = 1.843 cm

However, suppose we consider the laminar flow, the pressure loss in a single fiber can be determined as follows:

\(\Delta p = \rho g h_f= \dfrac{32* \mu *\overline u*l }{D^2}\)

where;

\(\overline u = \dfrac{4 \times 50 \times 10^3}{\pi \times (18.43)^2}\)

\(\overline u = \dfrac{200000}{1067.088755}\)

\(\overline u =187.43 \ mm/sec\)

\(\overline u =18.743 \ cm/sec\)

Recall:

\(\Delta p = \dfrac{32* \mu *\overline u*l }{D^2}\)

\(\Delta p = \dfrac{32* 3.5 \times 10^{-2} *18.743*30 }{1.843^2}\)

\(\Delta p = \dfrac{629.7648 }{3.396649}\)

\(\Delta p =185.41 \ dyne/cm^2\)

Finally, the number of needed to be used = \(\dfrac{p}{\Delta p}\)

= \(\dfrac{10^5 \ dyne /cm^2}{185.41\ dyne /cm^2}\)

= 539.35

The given question is incomplete. The complete question is :

This is the chemical formula for carvone (the chemical that gives spearmint its flavor) \(C_{10}H_{14}O\): An organic chemist has determined by measurements that there are 27.3 moles of carbon in a sample of carvone. How many moles of oxygen are in the sample

Answer: 2.73 moles of oxygen are there in the sample.

Explanation:

The chemical formula of carvone is \(C_{10}H_{14}O\).

This means:

When 10 moles of carbon are there in carvone , 1 mole of oxygen is there in carvone

Thus for 27.3 moles of carbon in carvone , \(\frac{1}{10}\times 27.3=2.73\) mole of oxygen is there in carvone.

Thus 2.73 moles of oxygen are there in the sample.