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zysi [14]
3 years ago
12

Maintaining constant pressure, the volume of a gas is increased from 12,0 L

Chemistry
1 answer:
kow [346]3 years ago
3 0

Answer:

790 K

Explanation:

Step 1: Given data

  • Initial volume of the gas (V₁): 12.0 L
  • Initial temperature of the gas (T₁): 23.0 °C
  • Final volume of the gas (V₂): 32.0 L

Step 2: Convert 23.0 °C to Kelvin

We will use the following expression.

K = °C + 273.15 = 23.0 + 273.15 = 296.2 K

Step 3: Calculate the final temperature of the gas

Assuming constant pressure and ideal behavior, we can calculate the final temperature of the gas using Charles' law.

T₁/V₁ = T₂/V₂

T₂ = T₁ × V₂/V₁

T₂ = 296.2 K × 32.0 L/12.0 L = 790 K

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Find the volume of a gas at standard pressure if its volume at 1.9 atm is 80 ml?
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Answer:

1.5 × 10² mL

Explanation:

Step 1: Given data

  • Initial pressure of the gas (P₁): 1.9 atm
  • Initial volume of the gas (V₁): 80 mL
  • Final pressure of the gas (P₂): 1.0 atm (standard pressure)
  • Final volume of the gas (V₂): ?

Step 2: Calculate the final volume of the gas

For an ideal gas, we can calculate the final volume of the gas using Boyle's law.

P₁ × V₁ = P₂ × V₂

V₂ = P₁ × V₁/P₂

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Answer:

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Explanation:

a) Data and Calculations:

Locations  Cost of land     Cost of       Cost of mining      Time taken to

                                        equipment   and reclamation    mine the area

1                 $100,000      $10,000         $5,000 per day        30 days

2                 $35,000       $6,000          $4,500 per day        45 days

3                 $30,000       $7,500          $3,500 per day       120 days

4                 $40,500       $8,000          $7,000 per day        65 days

Locations  Cost of land     Cost of       Cost of mining                      Total

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1                 $100,000      $10,000         $150,000 ($5,000 * 30)  $260,000

2                 $35,000       $6,000         $202,500 ($4,500 * 45)   $243,500

3                 $30,000       $7,500         $420,000 ($3,500 * 120)  $457,500

4                 $40,500       $8,000         $445,000 ($7,000 * 65)   $503,500

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