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Chemistry

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A 10.00 g sample of He is compressed isothermally from a volume of 61.1 L to a volume 2.00 L at a temperature of 25 °C.
Calculate the work done by the gas on the surroundings if the external pressure is 101.325 kPa.

  • Chemistry -

    25 cm of 1.0 mol dm− NaOH is added to 25 cm of 1.0 mol dm− HCl. The temperature rise is 6¢XC.
    Which reactants will also give a temperature rise of 6¢XC?

    A. 25 cm of 2.0 mol dm− NaOH and 25 cm of 2.0 mol dm− HCl.
    B. 50 cm of 1.0 mol dm− NaOH and 50 cm of 1.0 mol dm− HCl.
    C. 50 cm of 0.5 mol dm− NaOH and 50 cm of 0.5 mol dm− HCl.
    D. 100 cm of 0.25 mol dm− NaOH and 100 cm of 0.25 mol dm− HCl.

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