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damaskus [11]
2 years ago
14

Consider two gases, A and B, are in a container at room temperature. What effect will the following changes have on the rate of

the reaction between these gases? The temperature is decreased at a constant volume.
Chemistry
1 answer:
Tcecarenko [31]2 years ago
6 0

Answer:

  1. decrease in temperature , decreases the kinetic movements of the gase molecules as a result decreases the frequency of collisions between gas molecules A and B consequently decreases the rate of reactions of gases A and B
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Give me lil reasoning so I know your not lying for points
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0.01 psi

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Which formula id correctly paired with its name? A. MgSO↓ = magnesium chlorine
Nostrana [21]
D. CuCl2 copper(2)chloride 
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The heat of vaporization for water is 40.7 kJ/mol. How much heat energy must 150.0 g of water absorb to boil away completely? Us
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I need this answer ASAP
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5 0
3 years ago
By how much will the ph change if 0.025 mol of hcl is added to 1.00 l of the buffer that contains 0.15 m hc2h3o2 and 0.25 m c2h3
Setler [38]
According to the reaction equation:

              CH3COO-  + H+   → CH3COOH 

initial         0.25                             0.15

change     - 0.025                          + 0.025

Equ         (0.25-0.025)                 (0.15 + 0.025)

first, we have to get moles acetate and moles acetic acid:

moles of acetate = 0.25 - 0.025 = 0.225 moles

∴ [CH3COO-] = 0.225 mol / 1 L = 0.225 M

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∴ [ CH3COOH] = 0.175 mol / 1L = 0.175 M 

Pka = -㏒ Ka 

       = -㏒ 1.8 x 10^-5
       
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from H-H equation we can get the PH value:

PH = Pka + ㏒ [acetate / acetic acid]

PH = 4.74 + ㏒[0.225/0.175]

∴ PH = 4.8
3 0
3 years ago
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