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Alexeev081 [22]
2 years ago
5

Hikers noticed that a sealed bag of potato chips puffs up when taken to the top of a mountain. suppose that at the valley floor

below, the air pressure is 1.0 atm, the temperature is 25°c, and the volume of the bag is 0.985 l. at the top of the mountain, the temperature is 22°c and the bag has puffed up to 1.030 l. what is the air pressure on top of the mountain? type in your answer using the correct number of significant figures. formula: p1v1 t1 = p2v2 t2 atm
Chemistry
2 answers:
Alina [70]2 years ago
7 0

Answer:

Explanation:

Approximately how many accidents occurred between 1965 and 1970 inclusive?

about 1800 accidents

about 2500 accidents

about 1200 accidents

about 1500 accidents

Roman55 [17]2 years ago
6 0

Gas law gives the relation between the volume, moles, pressure, and temperature of the gas. The air pressure at the top of the mountain is 0.945 atm.

<h3>What is Gas law?</h3>

Gas law gives the direct relationship between the pressure and the volume of the gas with that of the temperature of the gas.

Given,

Initial pressure = 1.0 atm

Initial volume = 0.985 L

Initial temperature = 298.15 K

Final pressure = ?

Final volume = 1.030 L

Final temperature = 295.15 K

The final pressure at the mountain top is calculated as:

\begin{aligned} \rm \dfrac{P_{1}V_{1}}{T_{1}} &=  \rm \dfrac{P_{2}V_{2}}{T_{2}}\\\\\dfrac{1 \;\rm atm \times 0.985 \;\rm L}{ 298.15 \;\rm K} &= \;\rm \dfrac{P_{2} \times 1.030 \;\rm L}{295.15\;\rm  K}\\\\&= 0.945 \;\rm atm\end{aligned}

Therefore, the pressure on the top of the mountain is 0.945 atm.

Learn more about combined gas law here:

brainly.com/question/3050574  

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Hydrogen gas is produced when dilute hydrochloric acid is added to a reactive metal.

Balanced molecular equation of sodim metal with hydrochloric acid:

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Ionic equation: 2Na(s) + 2H⁺(aq) + 2Cl⁻(aq) → 2Na⁺ + 2Cl⁻(aq) + H₂(g).

Net ionic equation: 2Na(s) + 2H⁺(aq) → 2Na⁺(aq) + H₂(g).

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Another example:

Balanced chemical equation: Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g)

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More about hydrogen gas:brainly.com/question/24433860

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Is o-toluic acid soluble in ether, NaOH?, Is Napthalene soluble in NaOH?
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covalent bond would be formed in which pair of elements? Carbon and oxygen, any two noble gasses, sodium and chlorine , between
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What is the overall enthalpy of reaction for the equation shown below?
Rudiy27

Answer:

ΔH₁₂ = -867.2 Kj

Explanation:

Find enthalpy for 3H₂ + O₃ => 3H₂O given ...

2H₂ + O₂ => 2H₂O      ΔH₁ = -483.6 Kj

        3O₂ => 2O₃        ΔH₂ = + 284.6 Kj

_____________________________

3(2H₂ + O₂ => 2H₂O) => 6H₂ + 3O₂ => 6H₂O       (multiply by 3 to cancel O₂)

6H₂ + 3O₂ => 6H₂O        ΔH₁ = 3(-483.6 Kj) = -1450.6Kj

          2O₃ => 3O₂           ΔH₂ = -284.6Kj              (reverse rxn to cancel O₂)

_______________________________

6H₂ + 2O₃ => 6H₂O         ΔH₁₂ = -1735.2 Kj       (Net Reaction - not reduced)

________________________________

divide by 2 => target equation (Net Reaction - reduced)

3H₂ + O₃ => 3H₂O            ΔH₁₂ = (-1735.2/2) Kj = -867.2 Kj    

4 0
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