Describe the steps, in detail, of creating a water compass. Please remember to write in complete sentences.

When servers break state, county, or municipal alcohol laws when serving alcohol, the server could be fined and the establishment could lose its liquor license.

This is defined as governmentally issued permit for the service of alcohol in an area over a period of time.

When alcohol law is broken, there may be a fine or the revoking of the liquor license.

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1.4715 atm is the pressure of the sample 1.33 moles of fluorine gas that is contained in a 23.3 L container at 314 K.

What is an ideal equation?

The ideal gas equation, pV = nRT, is an equation used to calculate either the pressure, volume, temperature or number of moles of a gas. The terms are: p = pressure, in pascals (Pa).

Given data:

Volume (V) = 23.3 L

Number of mole (n) = 1.33 moles

Temperature (T) = 314 K

Gas constant (R) = 0.821 atm.L/Kmol

Pressure (P) =?

The pressure inside the container can be obtained by using the ideal gas equation as illustrated below:

PV = nRT

P × 23.3 L = 1.33 moles × 0.0821 ×314 K

P = 1.4715 atm

Therefore, the pressure of the sample is 1.4715 atm.

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Identify the balanced chemical equation that represents a decomposition reaction.

2Fe(OH) 3 ⟶ 2FeO 3 + H 2O

CuSO 4 ⟶ CuO + 2SO 3

P 4 + 3O 2 ⟶ P 2O 3

Explanation:

Answer:

Option C

Explanation:

A decomposition reaction is a type of reaction in which one reactant breaks down in to two or more products.

Here in option C

On both reactant and products side

Hence balanced

Answer:

frequency

Explanation:

because a wave is equally a frequency

The total pressure of gasses (nitrogen and oxygen) in the flask is determined as 3 atm.

The balanced chemical equation of nitrogen gas and oxygen gas is determined as follows;

N₂  + 2O₂  → 2NO₂

PV = nRT

P(total) = P(N₂) + PO₂

P(total) = 1 atm + 2(1 atm)

P(total) = 3 atm

Thus, the total pressure of gasses (nitrogen and oxygen) in the flask is determined as 3 atm.

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Answer:

Anhydrous copper sulphate.

Explanation:

In the presence of water anhydrous copper sulphate , a white powder, turns to blue.

A tightly sealed jar will form liquid and water equilibrium but the drinking glass will not.

The liquid and water vapor establish equilibrium in a tightly sealed container but not in the drinking glass because in the tightly sealed jar, the water can't go into the atmosphere but in the drinking glass the water will evaporate.

So we can conclude that a tightly sealed jar will form liquid and water equilibrium but the drinking glass will not.

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Answer:

The answer is C.

Explanation:

Oxygen- This is also an important cause of chemical weathering.

Answer:

B

Explanation:

The four factors that increase the rate of the reaction:

1.Concentration of the reactants

2.Size of the particles

3.Temperature

4.Catalyst

Answer:

methylhexane.

Explanation:

Because thats the answer.

The can will burst at 938.45 K.

Gay Lussac's Law states that the pressure of a fixed amount of gas is directly proportional to the absolute temperature at constant volume.

i.e. P ∝ T

P= KT

P₁ = KT₁

P₂ = KT₂

Here we have considered that the gas is at two different temperatures and pressures which is denoted by T₁ , T₂ and P₁ , P₂

It can also be written as

(P₁ /P₂ )  = (T₁ / T₂)

It is given that

P₂ = 14.29 atm

P₁  = 4.535 atm

T₁ = 298.15 K

T₂ = ?

T₂ = (298.15 * 14.29 )/ 4.54

T₂ = 938.45 K

Therefore the can will burst at 938.45 K.

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Answer:

alumimum

Explanation:

Aluminum oxidation happens faster than that of steel, because aluminum has a really strong affinity for oxygen. Rather than flaking though, aluminum oxide just forms a hard, whitish-colored surface skin. When all the aluminum atoms have bonded with oxygen the oxidation process stops.

hope this answers your question.

Latent heat of fusion for ice is 33600J/k

Heat absorbed

Answer:

Saturn's rings are made up of ice, dust, rocks, moons and other satellite that orbit the gas giant as its equator, where gravity is strongest.

Explanation:

Answer:

A physical change is when something changes on the inside, but it does not change what it is made of.

Explanation:

150 grams is .15 liters

1 mole of gas at STP occupies 22.414 liters

.15 liter of hydrogen represents .15/22.414 =

0.0066922 moles of H2

equation is

Zn + 2HCl → ZnCl2 + H2

1 mole of Zn will make 1 mole of H2

0.0066922 moles of Zn will make 0.0066922 moles of H2

To convert this molar quantity of zinc into grams we simply multiply by the atomic mass of zinc, which is

65.38 g/mol;-

Mass of Zn required = 0.0066922 moles * 65.38 g/mol = 0.4375390381 grams

https://www.quora.com/How-many-grams-of-Zinc-would-you-need-to-react-with-Hydrochloric-acid-to-produce-1-L-of-H2-gas

Answer:

3.96×10^−22J

Explanation:

First find the frequency of the photon from the equation

c=fλ

∴f=c/λ

=3×10⁸m/s / 0.050×10^−2m

=6×10¹¹Hz.

Energy of such photons is quantized and given by

E=hf

=(6.6×10^−34)(6×10¹¹)

=3.96×10^−22J

Among electromagnetic waves, UV rays are most dangerous because exposure to these radiation cause serious problems in living organism. The energy of photon is 3.96×10⁻²²J.

Electromagnetic wave is a wave which contain two component one is electric component and other is magnetic component. The electric and magnetic component are perpendicular to each other. There are so many wave that comes under electromagnetic wave like infrared wave , radio wave

There is a relation between energy of wave. frequency of wave, and wavelength of wave

Mathematically,

E=hc/λ

where,

E = energy of electromagnetic wave

h is planks constant having value 6.67×10⁻³⁴js

c is speed of light that is 3×10⁸m/s

λ is the wavelength of electromagnetic wave

frequency=speed of light/wavelength

                =3×10⁸m/s / 0.050×10⁻²m

                 =6×10¹¹Hz.

E=h×frequency

  =(6.6×10⁻³⁴)(6×10¹¹)

  =3.96×10⁻²²J

Therefore, the energy of photon is 3.96×10⁻²²J.

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Answer:

The atomic number of Fe which is iron is 26

Explanation:

Answer:

About 0.054 moles.

Explanation:

Apply the ideal gas law. Recall that:

[tex]\displaystyle PV = n RT[/tex]

Solve for n, the number of moles:

[tex]\displaystyle n = \frac{PV}{RT}[/tex]

Determine the pressure of the hydrogen gas. Recall that by Dalton's Law of Partial Pressures, the total pressure is equal to the sum of the partial pressures of each individual gas:

[tex]\displaystyle P_T = P_\ell + P_\text{H$_2$}[/tex]

Convert the vapor pressure of the liquid to atm (1.00 atm = 760. torr):

[tex]\displaystyle 18\text{ torr} \cdot \frac{1.00\text{ atm}}{760.\text{ torr}} = 0.024\text{ atm}[/tex]

Therefore, the partial pressure of the hydrogen gas is:

[tex]\displaystyle \begin{aligned} P_T & = P_\ell + P_\text{H$_2$} \\ \\ (0.788\text{ atm}) & = (0.024\text{ atm}) + P_\text{H$_2$} \\ \\ P_\text{H$_2$} & = 0.764\text{ atm}\end{aligned}[/tex]

Therefore, the number of moles of hydrogen gas present is (the temperature in kelvins is 273.15 + 20.0 = 293.2 K):

[tex]\displaystyle \begin{aligned} n & = \frac{PV}{RT} \\ \\ & = \frac{(0.764\text{ atm})(1.7\text{ L})}{\left(0.08206 \text{ }\dfrac{\text{L-atm}}{\text{mol-K}}\right)(293.2\text{ K})}\\ \\ & = 0.054\text{ mol H$_2$} \end{aligned}[/tex]

Answer:

a

Explanation:

The fission of uranium-235  leads to the equation; 235/92U + 1 neutron → 92/36Kr + 141/56Ba + 3 neutrons + energy.

The term fission reaction refers to the reaction in which a nucleus is bombarded with a particle  which causes the nucleus to break down. This leads to the release of energy.

The fission of uranium-235  leads to the equation; 235/92U + 1 neutron → 92/36Kr + 141/56Ba + 3 neutrons + energy.

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Answer:

The removal of this ion from water by the calcifiers will definitely decrease the pH of water.

What is the bicarbonate ion?

The bicarbonate ion is the ion that is designated as HCO3-. We must notice that this ion is present in abundant amounts in the sea. This amount definitely make the sea slightly alkaline.

Now we must note that the removal of this ion from water by the calcifiers that require it to make their shell will definitely decrease the pH of water.

Explanation:

The removal of this ion from water by the calcifiers will definitely decrease the pH of water.

The bicarbonate ion is the ion that is designated as [tex]HCO^{3-}.[/tex] We must notice that this ion is present in abundant amounts in the sea. This amount definitely makes the sea slightly alkaline.

Now we must note that the removal of this ion from water by the calcifiers that require it to make their shell will definitely decrease the pH of water.

Hence, the removal of this ion from water by the calcifiers will definitely decrease the pH of water.

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Using the given formula, the density of the material is 2.015 g/mL

From the question, we are to determine the density of the material

From the given formula

Density = Mass / Volume

And from the given information,

Mass = 65.5 g

and volume = 32.5 mL

Putting the parameters into the equation,

Density = 65.5/32.5

Density = 2.015 g/mL

Hence, the density of the material is 2.015 g/mL.

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Answer:

Explanation:

Because electrons are delocalized around positively charged nuclei, metallic bonding explains many properties of metals. Electrical conductivity: Most metals are excellent electrical conductors because the electrons in the electron sea are free to move and carry charge.

Answer:

Organisms that belong to the same species, form groups, and interact together in the same environment make the level of the population whereas a community has groups of different species living together in an environment. Species are the group of individuals that are genetically related to each other.

The amount of [tex]Al_2O_3[/tex] that would be formed will be 44.59 grams

From the equation of the reaction:

[tex]4Al + 3O_2 --- > 2Al_2O_3[/tex]

The mole ratio of Al to  [tex]Al_2O_3[/tex] is 2:1

Mole of 23.6 g Al = 23.6/26.98 = 0.87 moles

Equivalent mole of  [tex]Al_2O_3[/tex] = 0.87/2 = 0.44 moles

Mass of 0.44 mole  [tex]Al_2O_3[/tex] = 0.44 x 101.96 = 44.59 grams

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The kind of radioactive element is useful for dating an object is one with a half-life close to the age of the object.

Radioactive elements are elements that involved in radioactivity and this comprises of atoms or particles in their nuclei whose atomic nuclei are not stable and they emit radiations to maintain stability.

Therefore, The kind of radioactive element is useful for dating an object is one with a half-life close to the age of the object.

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