A 1.50 L sample of neon gas at 1.10 atm and 25 °C is heated to 45 °C. The neon gas is then subjected to a pressure of 1.50 atm. Determine the new volume of the neon gas

n-pentane

Explanation:

The longer the alkyl chain, the greater the opportunity for Van der Waals interactions between chains. Thus as the chain length increases, the boiling point increases

Answer:

0.244 M.

Explanation:

From the question given above, the following data were obtained:

Molarity of stock solution (M₁) = 1 M

Volume of stock solution (V₁) = 0.305 L

Volume of diluted solution (V₂) = 1.25 L

Molarity of diluted solution (M₂) =?

The molarity of the diluted solution can be obtained by using the dilution formula as illustrated below:

M₁V₁ = M₂V₂

1 × 0.305 = M₂ × 1.25

0.305 = M₂ × 1.25

Divide both side by 1.25

M₂ = 0.305 / 1.25

M₂ = 0.244 M

Thus, the molarity of the diluted solution is 0.244 M

Answer:

The answer is D in acellus

Explanation:

Answer:

- Identify the acid and base in the reaction.

- What is left of the base after the reaction is known as the conjugate acid, while what is left of the acid after the reaction is known as the conjugate base.

Explanation:

Types of acids and bases:

When we are looking at conjugate acid and base, the type of acid and base we should focus on are Brønstead acid and base.

Brønsted acid: proton donor

Brønsted base: proton acceptor

Do note that proton here refers to hydrogen ion, H⁺.

Other types of acids and bases includes arrhenius acid/base and Lewis acid/base.

Definition:

Conjugate acid is what remains of the acid when a Brønsted acid donates a proton, while conjugate base is the newly formed protonated species when a Brønsted base accepts a proton.

Example:

Let's look at an example of a Brønsted acid-base reaction:

NH₃(aq) +H₂O(l) ⇌ NH₄⁺(aq) +OH⁻(aq)

Here, the base is NH₃ and the acid is H₂O.

NH₄⁺ is the conjugate acid, while OH⁻ is the conjugate base.

Note:

For a Brønsted acid- base reaction, whether a substance behaves as an acid or a base depends on what it is reacting with. Although H₂O behaves as an acid in this example, it behaves as a base when reacting with HCl.

Answer:

hi how are you doing today Jasmine

Answer:

1. C) Hydrogen of water is separated from oxygen.

2. A) Carbon dioxide

3. D) Mechanical energy to chemical energy

4. B) Glucose

5. B) Respiring while swimming underwater

6. A) Oxygen

7. B) Photosynthesis depends on the carbon dioxide released during cellular respiration.

8. A) It is affected by social concerns.

9. D) Chlorophyll stores chemical energy needed for photosynthesis.

10. Cellular respiration is the process by which organisms use oxygen to break down food molecules to get chemical energy for cell functions.

Brainlist Pls!

Answer:

[tex]molar \: mass = 24g[/tex]

Answer:

Molecular weight

Explanation:

The difference in the physical state of nonane vs methane at STP.  Methane is a very small molecule with a molecular weight of 16 g/mol.  It exists as a gas at standard temperature and pressure.  Nonane is a much larger molecule with a molecular weight of 128.2 g/mol.  It exists as a liquid at standard temperature and pressure.  

All gasses at STP are Made of small molecular weight molecules.  The smaller a molecule, the more movement the individual atoms have.  The increased movement of smaller molecules allows them to have more space between individual molecules.  The increased molecular motion and space between molecules is one of the main differences between a gas versus a liquid or solid.  The larger nonane molecules have less molecular motion and so are can be closer together and so exist as a liquid instead of a gas.

Answer:

E = 147000  J

Explanation:

Given that,

The mass of meteor, m = 50 kg

The altitude of the meteor, h = 300 m

We need to find the potential energy of the meteor. The formula for the potential energy is given by :

[tex]E=mgh[/tex]

Put all the values,

[tex]E=50\times 9.8\times 300\\\\E=147000\ J[/tex]

So, the required potential energy is equal to 147000  J.

Answer:

4.29 g

Explanation:

The equation of the reaction is; Co(NO3)2(aq) + K2S(aq) → CoS(s) + 2KNO3(aq)

Number of moles of potassium sulphide = 175/1000 L * 0.225 M = 0.039 moles

Number of moles of cobalt (II) nitrate =250/1000 L * 0.180 M = 0.045 moles

Hence;  potassium sulphide is the limiting reactant

Since the mole ratio is 1:1

Mass of solid product = 0.039 moles * 110 g/mol = 4.29 g

Answer:

Ammonia contains an asymmetrical distribution of electric charge.

Explanation:

Hello there!

In this case, accordingly to the electronegativity difference we can calculate for the N-H bond, and based off our periodic table, which shows an electronegativity of 3.0 and 2.1 for N and H respectively, we obtain:

[tex]DE=3.0-2.1=0.9[/tex]

Which is within the range of polar molecule even the both of them are nonmetals. Thus, choices a and b are firstly discarded; nonetheless, even when they are both nonmetals, two of these elements usually have a nonpolar bond, which means that option C is discarded, and therefore, our answer is ammonia contains an asymmetrical distribution of electric charge.

Regards!

Answer:

Precipitation reactions are ones in which at least one of the reactants is in the aqueous phase (i.e., dissolved in water), and a solid forms on the product side which was not present on the reactant side. If all the reactants are solid, then a solid product forming should not be called a precipitate. To be called a precipitate, an insoluble product must form from within solution, either from a solid and solute interacting, or from an interaction strictly between solutes.

Explanation:

Answer:

Antarctic Peninsula, is one of the most important fossil sites on Earth.

hope this helps you ☺️☺️

Fossils that would be expected to be found in Antarctica from more recent times, after it had moved much closer to the South Pole is Antartica peninsula.

Fossils are the preserved remains, impression, or trace of any once-living thing from many years ago. Examples of the fossils include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood and DNA remnants.

There are four different types of fossils-

Mold fossils

Cast fossils

Trace fossils or Ichnofossils

True form fossils

Imprints, tracks, and trails can also become fossilized and are called Trace fossils. Dinosaur footprints or worm burrows are the examples.

Living things when get decomposed from the so many years ago and become dirt and rocks are fossils.

Therefore, Fossils that would be expected to be found in Antarctica from more recent times, after it had moved much closer to the South Pole is Antartica peninsula.

Learn more about Fossils, here:

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Answer:  Okay so i don't know how i can explain this but.. OK so Steven placed an ice cream scoop right? and put it under hot water so i would say it would make the ice cream scoop hot? and then using it to scoop the ice cream i could say it would be a melting affection i think

Explanation:

im am so sorry pls forgive me is i am wrong i tried my best so at least give me a like for effort.. i hope u have a great day :)

Answer:

70.35°C

Explanation:

From the question,

Assuming: The specific heat capacity of cream and coffee is thesame as that of water = 4.2 J/g.°C

Applying

Heat lost by the coffee = heat gained by the cream

cm(t₁-t₃) = cm'(t₃-t₂)................ Equation 1

Where c = specific heat capcity of both cream and coffee, m = mass of coffee, t₁ = intial temperature of coffee, m' = mass of cream, t₂ = initial temperature of cream, t₃ = equilibrium temperature

From the question,

Given: m = 150 g, t₁ = 73.2°C, m' = 8 g, t₂ = 17°C

Constant: c = 4,2 J/g.°C

Substitute these values into equation 1

4.2×150(73.2-t₃) = 4.2×8(t₃-17)

630(73.2-t₃) = 33.6(t₃-17)

Solve for t₃

46116-630t₃ = 33.6t₃-571.2

630t₃+33.6t₃ = 571.2+46116

663.6t₃ = 46687.2

t₃ = 46687.2/663.6

t₃ = 70.35°C

Answer: The balanced equation is [tex]2KOH + H_{2}SO_{4} \rightarrow K_{2}SO_{4} + 2H_{2}O[/tex] and the concentration of the sulfuric acid solution is 0.184 M.

Explanation:

Given: [tex]V_{1}[/tex] = 27.5 mL,       [tex]M_{1}[/tex] = 0.235 M

[tex]V_{2}[/tex] = 35.0 mL,            [tex]M_{2}[/tex] = ?

Formula used to calculate the concentration of the sulfuric acid solution is as follows.

[tex]M_{1}V_{1} = M_{2}V_{2}[/tex]

Substitute the values into above formula as follows.

[tex]M_{1}V_{1} = M_{2}V_{2}\\0.235 M \times 27.5 mL = M_{2} \times 35.0 mL\\M_{2} = \frac{0.235 M \times 27.5 mL}{35.0 mL}\\= 0.184 M[/tex]

The given chemical equation for given reaction is as follows.

[tex]KOH + H_{2}SO_{4} \rightarrow K_{2}SO_{4} + H_{2}O[/tex]

Number of atoms on reactant side are as follows.

Number of atoms on product side are as follows.

To balance this equation, multiply KOH by 2 on reactant side and multiply [tex]H_{2}O[/tex] by 2. Hence, the equation can be rewritten as follows.

[tex]2KOH + H_{2}SO_{4} \rightarrow K_{2}SO_{4} + 2H_{2}O[/tex]

Now, number of atoms on reactant side are as follows.

Number of atoms on product side are as follows.

Since, there are same number of atoms of both reactant and products. Therefore, the equation is now balanced.

Thus, we can conclude that the balanced equation is [tex]2KOH + H_{2}SO_{4} \rightarrow K_{2}SO_{4} + 2H_{2}O[/tex] and the concentration of the sulfuric acid solution is 0.184 M.

Answer:

the outside of the car is hot

Answer:

Substances over 7 are categorized as basic, with 7 being the neutral point. Water has a pH level of 7. Substances with pH levels under 7 are categorized as acidic. Vinegar is acidic.

Explanation:

You can change it a little if you want. Hope this helps!

Vinegar is acidic. The only vinegar that has alkaline is apple cider vinegar, but all types of vinegar are acidic.

Answer:

I think u understand this answers

Answer:

the expected decline in largemouth bass is 3,000 kg.

Option d) 3,000 kg is the correct answer.

Explanation:

Given the data in the question;

In 2016, there was 600,000 kg of zooplankton in the lake.

In 2017, an accidental runoff of insecticide near the lake caused a 50 percent decline of the zooplankton population in the lake.

Now,

The remaining mass of zooplankton  after the 50% decline will be;

⇒ 600,000 kg zooplankton  × 50%

⇒ 600,000 × 50/100

⇒ 300,000 kg of zooplankton

Now, with 10 percent trophic efficiency;  smaller fish directly feed on zooplankton; decline in smaller fish mass will be;

⇒ 300,000 kg × 10%

⇒ 300,000 × 10/100

⇒  30000 kg

Finally, with 10 percent trophic efficiency, largemouth bash directly feed on smaller fish, so the expected decline in mass of largemouth bash will be;

⇒ 30000 kg × 10%

⇒ 30000 kg × 10/100

⇒ 3,000 kg

Therefore, the expected decline in largemouth bass is 3,000 kg.

Option d) 3,000 kg is the correct answer.

Answer:  The coefficient we should change first is for [tex]NO_{3}[/tex].

Explanation:

The given reaction equation is as follows.

[tex]Al + Ni(NO_{3})_{2} \rightarrow Al(NO_{3})_{3} + Ni[/tex]

Here, number of atoms present on reactant side are as follows.

Number of atoms present on the product side are as follows.

To balance this equation, multiply Al by 2 and [tex]NO_{3}[/tex] by 3 on reactant side. Also, multiply [tex]Al(NO_{3})_{3}[/tex] by 2 and Ni by 3 on the product side.

Hence, the equation can be rewritten as follows.

[tex]2Al + 3Ni(NO_{3})_{2} \rightarrow 2Al(NO_{3})_{3} + 3Ni[/tex]

Now, number of atoms present on reactant side are as follows.

Number of atoms present on product side are as follows.

Since, the atoms on both reactant and product side are same. Hence, it is now a balanced chemical equation.

Thus, we can conclude that the coefficient we should change first is for [tex]NO_{3}[/tex].

Answer:

Warm Springs temperature

Explanation:

Answer:

its iron

Explanation:

cauz

its iron

cauz

its iron

cauz

Answer:  You meant in constant temperature?

Because temperature is not mentioned at the beginning.

I suppose temperature remains constant, otherwise

there is no enough data for solving the problem

Explanation: According Boyle´s law in constant temperature

pV = constant.  So p1V1 = p2V2   and pressure p2 = p1V1 /V2

= 88 atm · 18 l / 12 l =  132 atm.

If I have 18 liters of gas at a pressure of 88 atm, the final pressure of the gas if the volume of the gas is decreased to 12 liters under constant pressure is 132atm.

The pressure of gas at constant temperature can be calculated using Boyle's law equation as follows:

P1V1 = P2V2

Where;

The final pressure of the gas can be calculated as follows:

88 × 18 = 12 × P2

1584 = 12P2

P2 = 1584 ÷ 12

P2 = 132atm

Therefore, have 18 liters of gas at a pressure of 88 atm, the final pressure of the gas if the volume of the gas is decreased to 12 liters under constant pressure is 132atm.

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