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Andreyy89
4 years ago
6

Hydrogen sulfide, H2S, has the characteristic odor of rotten eggs. If a sample of H2S gas at 755.0 torr and 25.0°C in a 2.00-L c

ontainer is allowed to expand into a 13.0-L container at 25.0°C, what is the pressure in the 13.0-L container? Enter your answer in the provided box. atm

Chemistry
1 answer:
gavmur [86]4 years ago
5 0

Answer:

0.153 atm or 116.1 torr

Explanation:

Hello, in the attached photo you will find the numerical procedure to obtain the pressure in the second state.

- Take into account that in the first part, the moles are needed based on the ideal gas equation, because they are subsequently used in the computation of the second state's pressure.

Best regards.

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Na2O + HCl -> NaCl + H2O
Charra [1.4K]

Na2O  + HCl→ NaCl  +H2O

Does  the equation  above  satisfy  the law  of mass  conservation   of matter.

No, since  there  are two sodium atoms as  reactants,  but  only   one sodium  atom as a  product.


<em><u>Explanation</u></em>

According  to the law of mass conservation  the  number of atoms in the reactant  side  must be equal  to  the   number of atoms in the  product side.

For  this  reason the equation above does  not satisfy the law of mass  conservation  since the  number of sodium  atoms  are  not equal  in both side.

6 0
3 years ago
2. Draw a structural formula for 3,4-hexene (C6H12), which has a double bond between the number 3 and 4 carbons in the chain. Wh
Rufina [12.5K]
The structure will be:
H₃C-CH₂-CH=CH-CH₂-CH₃
This class of compounds is known or referred to as alkenes. Alkenes are unsaturated hydrocarbons that contain a carbon-carbon double bond. The present of this double bond alters the properties of alkenes rom alkanes.
8 0
3 years ago
Read 2 more answers
What is the ph of a 0.45 m solution of aniline (c6h5nh2)? (pkb  9.40)?
mote1985 [20]

Answer is: pH of aniline is 9.13.<span>
Chemical reaction: C</span>₆H₅NH₂(aq)+ H₂O(l) ⇌ C₆H₅NH₃⁺(aq) + OH⁻(aq).

pKb(C₆H₅NH₂) = 9.40.

Kb(C₆H₅NH₂) = 10∧(-9.4) = 4·10⁻¹⁰.

c₀(C₆H₅NH₂) = 0.45 M.

c(C₆H₅NH₃⁺) = c(OH⁻) = x.

c(C₆H₅NH₂) = 0.45 M - x.

Kb = c(C₆H₅NH₃⁺) · c(OH⁻) / c(C₆H₅NH₂).

4·10⁻¹⁰ = x² /  (0.45 M - x). 

Solve quadratic equation: x = c(OH⁻) = 0.0000134 M.

pOH = -log(0.0000134 M.) = 4.87.

pH = 14 - 4.87 = 9.13.

7 0
3 years ago
Where is the intersection of the position and time axes located on a position-versus-time graph?
Bad White [126]

it is located at the origin so A

hope this helped ^_^

5 0
3 years ago
The reaction system: POCl3(g) POCl(g) + Cl2(g) is at equilibrium. Which of the following statements describes the behavior of th
mars1129 [50]

Answer: (B) The reverse reaction will proceed to establish equilibrium.

Explanation:

Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.

This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

For the given equation:

POCl_3(g)\leftrightharpoons POCl(g)+Cl_2(g)

Given : when POCl is added to the system

If the concentration of POCl that is the product is increased, so according to the Le-Chatlier's principle, the equilibrium will shift in the direction where decrease of concentration of POCl takes place. Therefore, the equilibrium will shift in the left or backward direction.

Thus the reaction will shift towards reactants to reestablish equilibrium and thus partial pressure of POCl and Cl_2(g)  decreases and the partial pressure of POCl_3 increases.

8 0
3 years ago
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