The closeness of particles of gas and their low speeds allow intermolecular forces to become important at certain pressures and temperatures. Which best describes this statement?


A) This is a limitation of the kinetic-molecular theory.
B) This is a postulate of the kinetic-molecular theory.
C) This describes ideal gas behavior using the kinetic-molecular theory.
D) This describes ideal gas behavior without the kinetic-molecular theory.

Answers

Answer 1

It is a limitation of the kinetic-molecular theory because closeness and low speed don't allow  intermolecular forces to become important at certain pressure and temperature.

The kinetic gas theory explains micro-particles (atoms and molecules). The kinetic theory is basically  based upon the assumption of microscopic particles . We can use it as a microscopical model.

And the kinetic theory of gases explains how gases behave by assuming that they are made up of quickly moving atoms or molecules.

Basically kinetic model is based on the below assumptions.-

I t is assumed that the gas is made by a large number of identical molecules. And molecules are moving in random directions. And also separated by the large distances as compared to their size.

The molecules collide completely elastically  without no energy loss.

Always kinetic energy is transferred between molecules through heat.

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Related Questions

why aluminium is used in aeroplane ?​

Answers

Answer:

Aluminum plays a vital role in the construction of aircraft. Its high resistance to corrosion and good weight to strength to cost ratio makes it the perfect material for aircraft construction. But the one property that makes aluminum the ideal metal for aircraft construction is its resistance to UV damage.

Explanation:

it's quite long but hope it helps

What coefficient must be added to the carbon in the reactants to balance the following equation?
Na2CO3 (l) + C (s) → 2 Na (g) + 3 CO (g)
A. 5
B. 4
C. 3
D. 2

Answers

Answer:

2

Explanation:

There are  3 carbons on the right side

there are only two on the left side....you need one more ...so add one more... change the '1' coefficient in front of C   to  '2'

Sulfur hexafluoride, SF6, is Multiple Choice a reactive gas that decomposes when exposed to moisture. a reactive gas used to fluorinate organic compounds. an inert gas that is used as an electrical insulator. a reactant in the process of manufacturing non-stick coatings. used in the manufacture of sulfuric acid.

Answers

An inert gas is used as an electrical insulator.

What exactly is SF6 (sulfur hexafluoride)?

Sulfur hexafluoride (SF 6)) is a very potent and long-lasting greenhouse gas that is primarily used as an electrical insulator and arc suppressor. It is non-flammable, non-toxic, inorganic, colorless, and odorless.

What is the SF6's reactivity?

The sulfur atom's steric hindrance plays a significant role in the inertness of SF6, whereas SeF 6 and other heavieSFroup 16 equivalents are more reactive than SF 6 due to less steric hindrance.

However, it reacts exothermically with lithium and does not interact with molten sodium below its boiling point.

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Increased concentrations of alpha-fetoprotein (AFP) in adults are most characteristically associated with:

Answers

Concentrations of alpha-fetoprotein (AFP):

Increased concentrations of alpha-fetoprotein (AFP) in adults are most characteristically associated with Hepatocellular carcinoma.

Alpha Fetoprotein (AFP):

It is a protein produced in a developing baby's liver. When a newborn is born, their AFP levels are typically high, but by the time they turn one, they are quite low. AFP levels in healthy persons should be extremely low. For adults, a typical AFP level ranges from 10 ng/mL to 20 ng/mL.

In reaction to cancer in the body, normal or cancerous cells produce chemicals known as tumor markers. High levels of AFP can indicate noncancerous liver illnesses such as cirrhosis and hepatitis as well as cancers of the testicles, ovaries, or liver.

Thus, one of the risk factors for Hepatocellular carcinoma has been proven to be a persistent increase in AFP serum levels.

 

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The atmospheric pressure on mars is around 7 millibar, where the gravitational constant
is 3.7 m/s² instead of Earth's 9.8 m/s². What height of water column would be stable on
Mars? Assume a density of water of 1.0g/mL.

Answers

The height of water column would be stable on Mars is 1.89 m

To answer the question, we need to know what the pressure on mars is

What is the pressure on mars?

The pressure on mars P = ρgh where

ρ = density of water = 1.0 g/mL = 1.0 × 10⁻³ kg/1 × 10⁻³ L = 1 kg/L = 1 kg/1 × 10⁻³ m³ = 1000 kg/m³, g = acceleration due to gravity on mars = 3.7 m/s² and h = height of water column.

Height of water column

Making h subject of the formula, we have

h = P/ρg

Since

P = 7 mbar = 7 × 10⁻³ bar = 7 × 10⁻³ × 10⁵ Pa = 700 Pa,ρ = 1000 kg/m³ and g = 3.7 m/s²

Substituting the values of the variables into the equation, we have

h = P/ρg

h = 700 Pa/(1000 kg/m³ × 3.7 m/s²)

h = 700 Pa/370 kg/m²s²

h = 1.89 m

So, the height of water column would be stable on Mars is 1.89 m

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A solution of 0.600m hcl is used to titrate 15.00 ml of koh solution. the endpoint of

titration is reached after the addition of 27.13 ml of hci. what is the concentration of

the koh solution?

9.000m

o 1.09m

o 0.332m

0 0.0163m

Answers

The final concentration is 0.332 M.

Calculation:

Here, dilution formula is used,

The concentration of a solution is lowered by the process of dilution. This is commonly accomplished by increasing the solvent content of the solution, which lowers the moles per liter.

                                                    M₁V₁ = M₂V₂

where,

M₁ = Initial concentration

V₁ = Initial volume

M₂ = Final concentration

V₂ = Final volume

Given,

M₁ = 0.600 M

V₁ = 15.00 mL

V₂ = 27.13

To calculate,

M₂ =?

Put the given values in the above formula,

M₁V₁ = M₂V₂

0.600 × 15.00 = M₂ × 27.13

9 = M₂ × 27.13

M₂ = 9/27.13

M₂ = 0.332 M

Therefore the final concentration is 0.332 M.

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What does the development of hook-and-loop tape illustrate?

Answers

Answer:

the role of the microscope world in creating new material.

Explanation:

Trust me ;)

How many moles of hydrogen atoms are contained in one mole of C6H12?

Answers

Answer:

72264x10²³moles

Explanation:

By Avogadro constant one mole of a substance is equal to 6022x10²³. so 12 hydrogen atoms =

12×6022x10²³=72264x10²³ moles.

Element Z has the following properties: a. silvery-white solid at room temperature b. malleable c. used as a catalyst d. conducts electricity

Answers

Element Z can be classified as a metal and will be found to the left of the zigzag line of the periodic table.

Hence, option 3 is correct answer.

What is Metal and Non metal ?

Metals are solid at room temperature. Metals are malleable. Metals loses electrons easily. Metal are less electronegative. Non metals are non malleable. Non metals cannot loses electron. Non metals are more electronegative.

What is Zig-Zag line in periodic table ?

The Zig-Zag line called the amphoteric line, the semimetal line, the metal non metal line, the stair case and the metalloid line on the periodic table separates the metals from the non metals.

Thus from the above conclusion we can say that Element Z can be classified as a metal and will be found to the left of the zigzag line of the periodic table.

Hence, option 3 is correct answer.

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Disclaimer: The question was given incomplete on the portal. Here is the complete question.

Question: Element Z has the following properties:

a. silvery-white solid at room temperature

b. malleable

c. used as a catalyst

d. conducts electricity

Element Z can be classified as a _________ and will be found ________ the zigzag line of the periodic table.

(1) non-metal; along side of

(2) metal; along side of

(3) metal; to the left of

(4) metalloid, along side of

(5) non-metal; to the right of

Option 3 is correct

Element Z can be classified as a metal and will be found to the left of the zigzag line of the periodic table.

As the element Z conducts electricity, so it is a metal.

Metals can be hammered, crushed, or rolled into thin sheets without breaking due to a feature known as malleability.

As the given element Z is malleable, so it is a metal.

Most transition metals are also used as catalyst because they can activate other compounds by adsorbing them to their surface. As the element Z is used as catalyst, so it is metal.

Some other physical properties of metals are :

1) They are also good conductor of heat.

2) Highly ductile

3) They are lustrous

4) They are sonorous

Metals are present on the left side of the zig-zag line (the line that separates metals and non metals) whereas non-metals are present on the right side of this line.

As the Element Z is metal on the basis of the given properties left side of the zig-zag line, so it will be found to the left of the zigzag line of the periodic table.

Hence option (3) is correct

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Perform an online search to find the structures of the compounds in the questions that follow. Provide a method for separating the mixtures of two or three compounds, dissolved in a solvent diethyl ether. In each case one of the components will be a neutral compound. You should give your answer in the form of a flow chart.
a) Benzophenone and tributylamine
b) 4-Bromoaniline, 3-nitrobenzoic acid, and benzoin
c) Fluorenone, octanoic acid, and dicyclohexylamine
d) 1-Hexanol and 4-bromoaniline

Answers

The chemical separation method for two of the above named mixtures or compound indicated above are explained below.

What is a Chemical compound?

A chemical compound is a material generated by the chemical union of two or more elements in set quantities.

What are the separation methods?

Benzophenone and tributylamine

The combination of benzophenone and tributylamine is in diethyl ether (given in question). Tributylamine is a base that may readily be changed to a water soluble salt by adding an aqueous acid.

Add dilute aqueous acid to the solution. The amine salt will be present in the aqueous layer, whereas benzophenone will be present in the ether layer. A separatory funnel will isolate levels.

Fluorenone, octanoic acid, and dicyclohexylamine

Fluorenone, Octanoic acid, and dicyclohexyl amine: The combination comprises both an acid (octanoic acid) and a base (dicyclohexyl amine) (dicyclohexyl amine).

Add the diluted aqueous base to the solution (like NaCO3). Divide the two layers.

The acid is present in the aqueous layer as a salt, while the fluorenone and amine are present in the ether layer.

Add weak aqueous acid to this combination of fluorenone and dicyclohexyl amine.

Divide the two layers. The amine is present in the aqueous layer, and fluorenone is present in the ether.

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A gas is contained in a thick-walled
balloon. When the pressure
changes from 1.21 atm to 2.52 atm,
the volume changes from 3.75 L to
1.72 L and the temperature changes
from 293 K to____________ K.
Which variable is held constant?
A.P B.V C.n D.T
Thank you! :)

Answers

Answer:

C.) n

Explanation:

-----> P = pressure (atm)

-----> V = volume (L)

-----> T = temperature (K)

-----> n = number of moles

According to the problem, it seems like pressure (P), volume (V), and temperature (T) are all changing. The problem never brings up whether the number of moles (n) has changed. Therefore, the number of moles (n) must have been held constant.

________________________________________________________

If you need to know what the temperature changes to....

When the number of moles is held constant, you can find the change in the other variables using the Combined Gas Law equation:

P₁V₁ / T₁ = P₂V₂ / T₂

In this formula, "P₁", "V₁", and "T₁" represent the initial pressure, volume, and temperature. "P₂", "V₂", and "T₂" represent the final pressure, volume, and temperature. You can find the final temperature by plugging in the given values and simplifying.

P₁ = 1.21 atm                      P₂ = 2.52 atm

V₁ = 3.75 L                        V₂ = 1.72 L

T₁ = 293 K                         T₂ = ? K

P₁V₁ / T₁ = P₂V₂ / T₂                                       <----- Equation

(1.21 atm)(3.75 L) / (293 K) = (2.52 atm)(1.72 L) / T₂         <----- Insert values

0.015486 =  (2.52 atm)(1.72 L) / T₂              <----- Simplify left side

0.015486 = 4.3344 / T₂                               <----- Multiply 2.52 and 1.72

0.015486 x T₂ = 4.3344                               <----- Multiply both sides by T₂

T₂ = 279.885                                                <----- Divide both sides by 0.015486

T₂ = 280 K                                                   <----- Answer in correct sig figs

Glucose is a sugar that can be reduced to produce a/an {blank}. Group of answer choices aldehyde alcohol ketone carboxylic acid

Answers

Glucose is a sugar that can be reduced to produce an alcohol (option B). Details about glucose reduction can be found below.

What is reduction in chemistry?

Reduction is a reaction in which electrons are gained and valence is reduced.

Reduction can also mean the removal of oxygen or the addition of hydrogen to a substance.

Glucose is a chemical compound and sugar with the chemical formula of C6H12O6, however, it can undergo reduction reaction to produce alcohol/ethanol (C2H5OH) in a process called fermentation.

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Guanine pairs with cytosine using ______ noncovalent hydrogen bonds, while adenine pairs with thymidine using ______ noncovalent hydrogen bonds. Multiple choice question. two; two

Answers

Guanine pairs with cytosine using three noncovalent hydrogen bonds, while adenine pairs with thymidine using two noncovalent hydrogen bonds.

Why does cytosine and guanine have 3 hydrogen bonds?

Cytosine and guanine are joined by three hydrogen bonds. The Watson and Crick bases differ from one another in strength as a result. Thymine and adenine bonded base pairs in DNA are weaker than guanine and cytosine bonded base pairs. Size and structure of the specific nucleotides cause Adenine and Thymine to always pair together while Cytosine and Guanine always pair together.

Adenine and thymine can make two hydrogen bonds, while cytosine and guanine can form three hydrogen bonds. Or, to put it more simply, A and G form bonds. Because each base can only link with one other base, the process is known as complementary base pairing.

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Steric strain in a large molecule is often reduced by changes in torsion angles. However, in smaller sets of fused benzene rings, like phenanthrene and 3,4-benzophenanthrene (shown below), the first geometric parameters to vary from reference values are found to be the central bond lengths and bond angles. Why do they expand to relieve steric strain before the molecule undergoes torsion to a non-planar structure?

Answers

The molecule expand to relieve steric strain before undergoing torsion to a non-planar structure in order to have several resonating structures.

What is a molecule?

It should be noted that a molecule simply mean the group of atoms that are bonded together that represents the smallest fundamental unit if the chemical compound.

It should be noted that structures containing fused benzene rings have extensive conjugation. Due to this, they can undergo resonance.

This is vital in decreasing the overall energy of the molecule and helps increase its stability. When there's a change in torsion angle to relieve the steric strain, the molecule won't be planar, hence, the energy will increase and the stability will reduce.

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1.When an electron jumps to an outer energy level it
a. Absorbs energy
b. Maintains constant energy
c. Loses energy
d. Gain and lose energy

2.A chemical property is demonstrated by
a. Hailstone forming inside a storm cloud
b. Lime water turn in Milky When carbon dioxide Is blown into it
c. Clothes drying on an outdoor line in the bright sunshine
d. Ice floating on the surface of a lake in winter

3. Which of the following properties of magnesium is qualitative physical property
a. Reacts slowly with oxygen at 22°C to produce magnesium oxide
b. Has melting point of 649°C
c.Has a bright silvery colour in the metallic form when freshly made
d. Develops a thin oxide that coating when left exposed

Answers

Answer:

1:loses or gains energy

In a filtration experiment 25cm of a solution of a sodium hydroxide contain 8g per litre was required for complete neutralization of 0.245g of a diabasic acid. Calculate the relative molecular mass of the acid (Na= 23, O=16,H=1)

Answers

The relative molecular mass of an element is a proportion of the mass of the unified amu. The relative molecular mass of sodium hydroxide is 40.

What is molecular mass?

The molecular mass of a substance is an addition of the individual masses of the element that makes the compound.  

Moles of NaOH = 8 mole

Molarity = 0.2 M

Moles of sodium hydroxide in 25 cm³: 25 × 0.2 = 0.005 moles

The mole ratio between the two moles:

0.2 ÷ 0.005 = 40

Therefore, 40 is the relative molecular mass of the acid.

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What volume (in mL) of 0.108 M aluminum hydroxide is required to neutralize 30.00 mL of 0.175 M nitric acid

Answers

The volume of aluminum hydroxide required for neutralization is 24.30 mL.

Acid and base:

The compounds which gives H+ ions in the aqueous solution are called acids while those which gives OH- ions are called base.

Neutralization reaction:

It is a chemical reaction that involves a reaction between the equal molar amount of acid and base and form a solution that has pH = 7.

Calculations:

The reaction between aluminum hydroxide and nitric acid is expressed as:

Al(OH)2 + 2HNO3 ----> Al(NO3)2 + 2H2O

The number of moles of nitric acid is calculated as:

Moles of HNO3 = 0.175 M x (30.00/1000) L = 0.00525 mol

The number of moles of Al(OH)2 required for the neutralization is:

Moles of Al(OH)2 = 0.00525 mol/2 = 0.002625 mol

The volume of Al(OH)2 is calculated as:

Volume = 0.002625 mol/0.108 M = 0.0243 L = 24.30 mL

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Answer ASAP please!!!!!!

Answers

Answer:

They fall slower.

Explanation:

moon's gravitation force is effected by the mass of the moon

but because the moon has less mass,

objects fall slower because it has less gravitation force

________________________________________________

Hope this helped.

After spraying water on a waxed surface, a student notices that the water beads up to form many individual drops rather than being spread out evenly across the surface. what property of water causes it to bead up like this?

Answers

Property of water:

Due to the water's ability to stick together (Cohesion), droplets form instead of being spread evenly.  

The strong cohesion between water molecules:  

Cohesion is defined as the firm attraction between molecules of the same type.This characteristic of water is due to hydrogen. Water molecules are maintained intact by the strong connections that hydrogen forms with one another. Since hydrogen bonds are more attracted to one another than to the wax surface, they tend to bead when sprayed on it.Additionally, the surface tension of water is very strong. This indicates that the molecules on the water's surface are not being drawn in by other molecules in the water's interior due to comparable molecules surrounding them on all sides. These molecules tightly attach to one another while only slightly adhering to the other medium. These water drops are rounded due to surface tension, which allows them to cover the least amount of surface area.

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C₂H5OH +202 → 2CO2 + 3H₂O + 1367 kJ
What is the ratio between the energy and oxygen based on the equation?
-[?] kJ
[?]mol O2

Answers

The ratio between the energy and oxygen based on the equation is 683.5 KJ/mol

Data obtained from the questionEquation => C₂H₅OH + 2O₂ → 2CO₂ + 3H₂O + 1367 KJEnthalpy change (ΔH) = 1367 KJRatio of energy to oxygen =?

How to determine the ratio of energy to oxygen

From the equation, we obtained the following:

Energy = 1367 KJMole of O₂ = 2 moles

Thus, the ratio of energy to oxygen is given as:

Energy / Oxygen = 1367 / 2

Energy / Oxygen = 683.5 KJ/mol

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Hello! So I need help with these neutralization reactions and its fill in the blank. The question asks,
Balance the following neutralization reactions:
_______ HBr + _______ KOH _______KBr + _______H2O

_______ HF + _______ Fe(OH)3 _______FeF3 + ______ H2O

______HCl + _______ Ca(OH)2 _______CaCl2 + ______ H2O

Answers

The balanced equation for the neutralization reactions is as below.

Balancing chemical reaction equations

In order for chemical equations to be balanced, the number of atoms of each element before and after the reaction must be equal.

Thus:

[tex]HBr + KOH --- > KBr + H_2O[/tex][tex]3HF + Fe(OH)_3 --- > 3 H_2O + FeF_3[/tex][tex]2HCl + Ca(OH)_2 --- > CaCl_2 + 2H_2O[/tex]

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How many grams of magnesium chloride must be added to 725 mL of water to create a solution with an anion concentration equal to 0.800 M

Answers

55.2218 grams of magnesium chloride must be added to 725 mL of water to create a solution with an anion concentration equal to 0.800 M.

How to calculate the no. of moles ?

To calculate the number of moles from molarity as

[tex]\frac{\text{x moles}\ MgCl_2}{0.725\ \text{L solution}} = \frac{0.8\ \text{moles}\ MgCl_2}{1.0\ \text{L solution}}[/tex]

x moles MgCl₂ = [tex]\frac{0.8\ \text{moles}\ MgCl_2}{1.0\ \text{L solution}} \times 0.725\ \text{L solution}[/tex]

                         = 0.58 moles MgCl₂

What is Molar Mass ?

Mass of one mole of substance is known as molar mass.

Molar mass of MgCl₂ = Atomic mass of Mg + 2 (Atomic mass of Cl)

                                   = 24.31 + 2 (35.5)

                                   = 95.21

Convert moles to grams

0.58 moles MgCl₂ × [tex]\frac{95.21\ g}{1\ \text{mole}\ MgCl_2}[/tex]

= 55.2218 grams

Thus from the above conclusion we can say that 55.2218 grams of magnesium chloride must be added to 725 mL of water to create a solution with an anion concentration equal to 0.800 M.

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Cooperative binding to oxygen occurs for ________

Answers

Cooperative binding of oxygen occurs for hemoglobin.

What is cooperative binding of system?

Cooperative binding refers to the process whereby binding of one molecule of oxygen results in more binding of oxygen molecules due to increased affinity of oxygen by the ligand.

Cooperative binding of oxygen occurs in hemoglobin.

In conclusion, cooperative binding enables hemoglobin to carry oxygen efficiently.

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A woman walks into a carpet store wearing high-heeled shoes with a circular heel of diameter 0.987 cm. To the dismay of the store manager, she balances on one heel on an expensive carpet sample. If she has a mass of 45.5 kg, determine the pressure she exerts on the carpet sample.

Answers

The pressure she exerts on the carpet sample:-5.8279 MPa

Calculation of Pressure exerted on the carpet:-

P = F/A

Where,

F= Force

A = Area

Given that;

d= 0.987 cm =0.987  x 10^-2 m

m= 45.5 kg

Area = πr^2= (π(0.987  x 10^-2)^2/2)

       =7.6511 x 10^-5  square meter

Force= mg

        = 45.5 x 9.8

        =445.9 N

Pressure = force/ area

              =445.9/7.6511 x 10^-5

              =5.8279 MPa

The pressure she exerts on the carpet sample:-5.8279 MPa

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There are two stable isotopes of carbon, carbon -
12
and carbon -
13
. Carbon -
12
has a mass of exactly
12
amu, and carbon -
13
has a mass of
13.003
amu. The average atomic mass of carbon
is
12.011 amu. What does this tell you about the
relative abundances of the two isotopes?

a. Carbon -
12
is more abundant than carbon
13
because the average atomic mass is closer
to the mass of carbon
12
b. There is not enough information to
determine anything about the relative
abundances of the two isotopes.
c. Carbon
13
is more abundant than carbon
12
because the average atomic mass is closer
to the mass of carbon
13
d. Carbon
12
and carbon -
13
are equally abundant

Answers

There is not enough information to determine anything about the relative abundances of the two isotopes.

What are isotopes?

Isotopes are atoms that have the same atomic number but different mass numbers. We know that all the isotopes of an element are not available to the same extent in nature.

Hence, from the average atomic mass of carbon, we can see that there is not enough information to determine anything about the relative abundances of the two isotopes.

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Answer: Carbon-12 is more abundant than carbon —13 because the average atomic mass is closer to the mass of carbon —12

Explanation: took the test and got it right

In terms of carbon monoxide, 1 marijuana joint is the equivalent of how many cigarettes?.

Answers

The main chemical compound in marijuana that has a harmful effect on cells lining the airways is tetrahydrocannabinol, or THC. This compound is similar to nicotine, which is the primary harmful chemical compound in cigarette smoke.

In addition to THC, marijuana smoke also contains more tar than cigarette smoke. Tar is made up of small particles that are easily inhaled and are known to be carcinogenic. The combination of the THC, nicotine, and tar in marijuana smoke is what makes it so damaging to cells lining the airways.

The daily smoking of one marijuana joint is equivalent to the amount of damage to cells lining the airways as around five cigarettes.

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What is the oxidation state of cobalt (III)?

Answers

The oxidation state of cobalt (III) is: +3

Meaning of Oxidation state

Oxidation state can also be referred to as oxidation number.

Oxidation state can be defined as total number of electrons that an atom must either loose or gain for it to form a chemical bond with another atom.

In conclusion, The oxidation state of cobalt (III) is: +3

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Environmental Effects Summary
Explain how the data from the river samples showed that there was a problem with the water treatment plant.

Answers

River samples may evidence problems with the water treatment plant because it may contain an excessive amount of certain substances which are filtered during this procedure.

What is a water treatment plant?

A water treatment plant is a place where wastewater from a city is processed and purified in order to obtain potable water.

Water treatment procedure generally involves the collection, chemical substance addition, filtration, and disinfection.

Any type of problem in these steps can be evidenced by taking a sample of the water after treatment.

In conclusion, river samples evidence problems due to an excessive amount of certain substances which are filtered during this procedure.

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How many grams of aluminum phosphate is produced from 7.5 g of lithium phosphate in this balanced equation? 2Li3PO4 + Al2(SO4)3 = 3Li2SO4 + 2AlPO4

Answers

7.8049856 g of aluminium phosphate is produced from 7.5 g of lithium phosphate in this balanced equation.

What are moles?

A mole is defined as 6.02214076 × [tex]10^{23}[/tex] of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

Given data:

[tex]2Li_3PO_4 + Al_2(SO_4)_3[/tex]→ [tex]3Li_2SO_4 + 2AlPO_4[/tex]

Moles of 7.5 g of lithium phosphate.

The molar mass of lithium phosphate is 115.79 g/mol.

Moles = [tex]\frac{mass}{molar \;mass}[/tex]

Moles =[tex]\frac{7.5 g}{115.79 g/mol}[/tex]

Moles = [tex]\frac{7.5 g}{115.79 g/mol}[/tex]

Moles = 0.06477243285

Now we will compare the moles of [tex]AlPO_4[/tex] with [tex]Li_3PO_4[/tex].

               [tex]Li_3PO_4[/tex]               :     [tex]AlPO_4[/tex]

                   2            :               2

                0.385       :              2÷2× 0.064 = 0.064 mol

Mass of [tex]AlPO_4[/tex] :

Mass of [tex]AlPO_4[/tex] = moles × molar mass

Mass of [tex]AlPO_4[/tex] =0.064  mol × 121.9529 g/mol

Mass of [tex]AlPO_4[/tex] =  7.8049856 g

Hence, 7.8049856 g of aluminium phosphate is produced from 7.5 g of lithium phosphate in this balanced equation.

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what piece of glassware (beaker, flask, graduated cylinder ) should be used to accurately measure out liquids? justify your answer

Answers

Answer:

graduated cylinder

Explanation:

that is the most accurate one of the 3. The lines on a beaker or flask are just indicative.

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