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Can somebody pretty please check some of my answers on my chem hw :) i need a 100 on my assignment...?

Label the following examples as being representative of a direct or inverse relationship. (14.1)

*= what i chose as my answer

(a) pressure versus volume of a gas

-direct *

-inverse

(b) volume versus temperature of a gas

-direct

-inverse *

(c) pressure versus temperature of a gas

-direct *

-inverse

thank you so so much!!!

3 Answers

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  • 1 decade ago
    Favorite Answer

    first off, i'd like to say i'm so happy that you actually tried your homework yourself. there are so many people now a days that just copy/paste their hw into yahoo answers without trying!

    now, x and y are direct if

    y = kx (different sides)

    and inverse if

    y = k/x, or yx = k (same sides)

    the gas law is PV = nRT

    so i think you just need to flip your answers for 1 and 2 around

    hope this helps! :)

  • Martin
    Lv 5
    1 decade ago

    Solve the ideal gas law for each variable to see if it is direct or inverse.

    a) P=nRT/V Inverse because V is in the denominator. as V increases P decreases

    b) V=nRT/P Both in numerator. Direct variation with T. As T increase V increases.

    c) P= nRT/V Direct variation with T. As T increases, P increases

  • hanter
    Lv 4
    4 years ago

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