State of Matter

Can someone help me ?

Answer:

The temperature of  the heated gas is 357.6 K (or 84.6 C)

Explanation:

Gay Lussac's law indicates that, as long as the volume of the container containing the gas is constant, as the temperature increases, the gas molecules move faster. Then the number of collisions with the walls increases, that is, the pressure increases. That is, the pressure of the gas is directly proportional to its temperature.

In short, when there is a constant volume, as the temperature increases, the pressure of the gas increases. And when the temperature is decreased, the pressure of the gas decreases.

So, this law indicates that the quotient between pressure and temperature is constant:

[tex]\frac{P}{T} =k[/tex]

You want to study two different states, an initial state 1 and a final state 2. Then it is true:

[tex]\frac{P1}{T1} =\frac{P2}{T2}[/tex]

In this case:

Replacing:

[tex]\frac{8.532 atm}{293.2 K} =\frac{10.406 atm}{T2}[/tex]

Solving:

[tex]T2*\frac{8.532 atm}{293.2 K} =10.406 atm[/tex]

[tex]T2=10.406 atm*\frac{293.2 K}{8.532 atm}[/tex]

T2= 357.6 K

The temperature of  the heated gas is 357.6 K (or 84.6 C)

The new temperature of the heated gas when the pressure increase to 10.406 atm is 84.60 °C

The new temperature of the gas can be obtained by using the combined gas equation as illustrated below:

P₁V₁ / T₁ = P₂V₂ / T₂

Since the volume is constant, we have:

P₁ / T₁ = P₂ / T₂

8.532 / 293.20 = 10.406 / T₂

Cross multiply

8.532 × T₂ = 293.20 × 10.406

Divide both side by 8.532

T₂ = (293.20 × 10.406) / 8.532

T₂ = 357.6 K

Subtract 273 from 357.6 K to express in degree celsius

T₂ = 357.6 – 273

T₂ = 84.60 °C

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A) HCO3- , carbonic acic

Answer:

That is false

Explanation:

Just because it moves faster doesn't mean that it can carry and bigger load.

Answer:

False

Explanation:

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Option A. Boiling point.

Explanation:

When you heat the water, the water gets converts into gaseous form.

As you know that water is in liquid form. So, when you heat the water, the water molecules absorbs the heat and get dispersed from one another molecules. i.e., molecules go far from the other molecules as they absorbed heat.

The term describes the temperature at which a substance can change state from a liquid to a gas, is boiling point. Therefore, option A is correct.

The temperature at which a liquid's vapor pressure equals the pressure around it and the liquid transforms into a vapor is known as the boiling point of a substance. A liquid's boiling point varies depending on the atmospheric pressure in the area.

Boiling point and saturation temperature are synonyms. Sometimes the measurement's pressure serves as a definition for the boiling point. The International Union of Pure and Applied Chemistry was founded in 1982.

The boiling point of a sample can be calculated using a number of techniques, such as distillation, reflux, and a Thiele tube. The simplest approach makes use of a Thiele tube and has the benefit of requiring less than 0.5mL of substance.

Thus, option A is correct.

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Answer:

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Answer:

the forces i think

Explanation:

The absorption of a free moving neutron by the atoms nucleus

(A P E X)

Answer:

P1 =4 atm

T1= 20°C

P2=1 atm

T2=?

According to Gay-Lussac's Law or Third Gas Law,

P1T2=P2T1

4×T2=1×20

T2= 20/4

T2= 5°C

Answer At 5°C temperature does a gas at 1.00 atm !

Answer:

CO2 + H2O = C6H12O6 + O2

or

6CO2 + 6H2O = C6H12O6 + 6O2 if it need to be balanced

Answer:

Answer is 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

Explanation:

Answer:

injury

Explanation:

because get hurt we can say injury

Answer:

D.make a plant cell rigid

Explanation:

Cell wall is present only in a plant cell. Option A, B & C are functions of the cell membrane not the cell wall.

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D.make a plant cell rigid

Answer:

In chemistry, an ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding

Answer:

An Ionic compounds are compounds consisting of ions also held together by the attractive forces among the oppositely charged ions.

Explanation:

For example :

NaHCO3, sodium bicarbonate (baking soda; used in cooking)

NaCl, sodium chloride (common/ordinary salt)

Answer:

a. 5 8/100 is equivalent to $ 5.08.

Explanation:

i hope this helps :)

Explanation:

The higher the wavelength, the lower its frequency and energy

Answer:

As frequency increases wavelength decreases in size

Explanation:

The wavelength of the wave is inversely proportional to the frequency of the wave as the speed of the wave remains constant.

                                v = fλ ( v - speed, f - frequency,  -wavelength)

                                 [tex]\frac{v}{\lambda}[/tex] = f

Therefore at constant speed:

                                 f ∝ [tex]\frac{1}{\lambda}[/tex] (inversely proportional)

Answer:

Explanation:

The new pressure can be found by using the formula for Boyle's law which is

[tex]P_1V_1 = P_2V_2[/tex]

Since we're finding the new pressure

[tex]P_2 = \frac{P_1V_1}{V_2} \\[/tex]

We have

[tex]P_2 = \frac{6.4 \times 0.87}{20.5} = \frac{5.568}{20.5} \\ = 0.2716.... \\ \\ = 0.27 \: \: \: atm[/tex]

But

1 atm = 14.7 psi

Then 0.27 atm =

[tex] \frac{14.7 \times 0.27}{1} = 3.969 \\ [/tex]

We have the final answer as

Hope this helps you

Answer:

3.97 psi

Explanation:

Answer:

The raindrops of mass 0.050g has 0.0028 moles of water

Answer:

triangles

Explanation:

Answer:

Solution given:

22.4 liter of O2=1 mole of O2

694litre of O2=[tex] \frac{1}{22.4} \times 694[/tex]

=30.98or 31 mole of O2

Explanation:

Sodium Chloride is neutral whereas hydrochloric acid is an acid. 2. Sodium Chloride is solid while hyrdochloric acid is a gas.

Answer:

they have different forces holding the atoms together

Explanation:

diamond has a strong convalent bond holding the particles together while chalk has weak van der waals forces holding the particles together hence the diffrence in hardness

Answer:

Do it if you feel like its your chance! Good luck!

Explanation:

Answer:

Explanation:

Equilibrium is achieved in a chemical reaction when there is a steady state with no change in concentrations.

So the answer is "When the concentrations of reactants and products are constant."

Answer:

Commensalism is a symbiotic relationship in which one species benefits while the other species is not affected. One species typically uses the other for a purpose other than food.

Answer:

D. Black Holes

Explanation:

Black holes are large objects that form dense gravity wells in space. Their gravitational pull is so strong that even light cannot escape it. 

Large objects that form dense gravity wells in space are stars and blackholes. The correct answer is option B and D.

Gravity: it is referred to as force of attraction experienced by a body having mass, towards the center of Earth.

Both stars and black holes are massive objects that exert a significant gravitational force due to their mass. They create what is known as a gravity well, which is a region of space where the gravitational pull is strong enough to affect the motion of nearby objects.

On the other hand, Galaxies and nebulae, are not individual objects with sufficient mass to form dense gravity wells. Galaxies consist of a collection of stars, gas, and dust, and while they have a collective gravitational influence, it is not concentrated in a single massive object like a star or black hole. Whereas, Nebulae are interstellar clouds of gas and dust, which do not possess the mass required to create significant gravity wells.

Therefore, the correct options from the given list that form dense gravity wells in space are B. Star and D. Black holes.

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Answer:

Electronic configurations describe each electron as moving independently in an orbital, in an average field created by all other orbitals.

Explanation:

Answer:

v = 1.5 m/s

Explanation:

Given that,

Distance covered by a person, d = 105 m

Time taken, t = 70 s

We need to find the average speed of the person. We know that the average speed is given by :

[tex]v=\dfrac{d}{t}\\\\v=\dfrac{105\ m}{70\ s}\\\\v=1.5\ m/s[/tex]

So, the average speed of the person is equal to 1.5 m/s.

Answer:

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Answer:

[tex]from \: avogadros \: hypothesis \\ 1 \: mole \: of \: nitrogen \: reacts \: with \: 3 \: moles \: of \: hydrogen \\ 3 \: litres \: of \: nitrogen \: react \: with \: ( \frac{3 \times 3}{1} ) \\ 9 \: litres \: of \: hydrogen[/tex]