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21 December, 00:45

A tire at 21°C has a pressure of 0.82 atm. Its temperature decreases to - 3.5°C. If there is no volume

is the pressure after the temperature change?

Use T - TO

0.75 atm

0.89 atm

1.1 atm

1.3 atm

+5
Answers (2)
  1. 21 December, 02:32
    0
    0.75

    Explanation:

    belive me
  2. 21 December, 02:52
    0
    0.75 atm. First option.

    Explanation:

    First of all, we convert the T° from C to K

    21°C + 273 = 294K

    -3.5°C + 273 = 269.5K

    When the number of moles and the volume remain constant, we can propose this situation:

    P₁ / T₁ = P₂ / T₂

    The relation states a directly proportion

    T° decreases → Pressure decreases

    T° increases → Pressure increases

    0.82 atm / 294K = P₂ / 269.5K

    (0.82 atm / 294K). 269.5K = P₂ → 0.75 atm
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Home » Chemistry » A tire at 21°C has a pressure of 0.82 atm. Its temperature decreases to - 3.5°C. If there is no volume is the pressure after the temperature change? Use T - TO 0.75 atm 0.89 atm 1.1 atm 1.3 atm
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