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pochemuha
3 years ago
7

A balloon with a volume of 0.5L at 293K is cooled to 20K. What is the balloon's new volume?

Chemistry
1 answer:
alina1380 [7]3 years ago
3 0

Answer:

0.03 L

Explanation:

Step 1: Given data

  • Initial volume of the balloon (V₁): 0.5 L
  • Initial temperature of the balloon (T₁): 293 K
  • Final volume of the balloon (V₂): ?
  • Final temperature of the balloon (T₂): 20 K

Step 2: Calculate the final volume of the balloon

The balloon is filled with air. If we assume it behaves as an ideal gas, we can calculate the final volume of the balloon using Charles' law.

V₁/T₁ = V₂/T₂

V₂ = V₁ × T₂/T₁

V₂ = 0.5 L × 20 K/293 K = 0.03 L

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1 year ago
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If a 1.00 mL sample of the reaction mixture for the equilibrium constant experiment required 32.40 mL of 0.258 M NaOH to titrate
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The concentration of acetic acid is 8.36 M

Explanation:

Step 1: Data given

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Step 2: The balanced equation

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Step 3: Calculate the concentration of the acetic acid

b*Ca*Va = a*Cb*Vb

⇒with b = the coefficient of NaOH = 1

⇒with Ca = the concentration of CH3COOH = TO BE DETERMINED

⇒with Va = the volume of CH3COOH = 1.00 mL = 0.001L

⇒with a = the coefficient of CH3COOH = 1

⇒with Cb = the concentration of NaOH = 0.258 M

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