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  1. ... at 1 atm is 1 mole. 1.05 litre sample at 1 atm has mass 4.24g 24 litre sample will has mass = (24/1.05) X 4.24 = 96...

    分類:科學及數學 > 化學 2006年10月23日

  2. ...mol in 250cm^3 of acid = 0.005 X (250 / 25) = 0.05 mol 6.30 / relative molecular mass of H2X = 0.05 Relative molecular mass of H2X = 126g (2) (1... ...

    分類:科學及數學 > 化學 2007年06月15日

  3. The max effort she can give = 20g N = 200 N (take g=10 m/s2 on earth) The weight of the same box on another planet = 20g1 where g1 is the acceleration due ...

  4. ...energy, as the graviational potential energy does take part in energy conversion when the mass oscillates up and down. The simplest way to find the ...

  5. ... tumor. Fibroids can vary widely in size, from one-half inch to masses weighing up to 50 pounds, they grow from the muscular wall of the uterus and ...

    分類:健康 > 其他 - 健康 2008年04月23日

  6. .../cbpproc1.gif Respirometer Set Up Place absorbent cotton balls in each of two... out 3 earthworms and measure their mass. Record the mass on your ...

  7. ... by gravity. The minimum force required to pull the object up the plane is equal to the friction let friction be fr and the force to...

  8. ... that the monomer have already chained up to a molecules, which the number of monomer...monomer is a single unit of the polymer which molecular mass and ...

    分類:科學及數學 > 化學 2006年11月10日

  9. ...of carbon-12. It is found by adding the relative atomic masses of the atoms that make up the molecule. http://www.tiscali.co.uk/reference/encyclopaedia ...

    分類:科學及數學 > 化學 2007年12月20日

  10. ...no. of mole of oxygen used = 1 : 1 No. of mole of oxygen used up = 0.08 mole mass of oxygen used up = 0.08 x 16 = 1.28g mass of metal X produce = ...

    分類:科學及數學 > 化學 2008年04月15日