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mrsbrainiac314

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  • Gas Review Q?

    A person accidentally swallows a drop of liquid oxygen, O2(l), which has a density of 1.149 g/mL. Assuming the drop has a volume of 0.050 mL, what volume of gas will be produced in the person's stomach at body temperature (37°C) and a pressure of 1.1 atm?

    2 AnswersChemistry1 decade ago

  • successive half-lives?

    For the reaction A products, successive half-lives are observed to be 10.0, 20.0, and 40.0 min for an experiment in which [A]0 = 0.50 M. Calculate the concentration of A at the following times.

    a) 80 mins

    b) 10 mins

    Chemistry1 decade ago

  • How much added to make a soln pH4 to pH5?

    Consider 50.0 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 4.000. What volume of water must be added to make the pH = 5.000?

    Could you please explain how to do this? It's one of the questions in my review packet...

    1 AnswerChemistry1 decade ago

  • 1970s project help?

    I am doing a decades project and I need to research the 'hot items' and 'must haves'....anybody know of anything that everybody wanted for christmas in the 70s?

    6 AnswersHomework Help1 decade ago