Recent content by marquitos

  1. M

    Evaluating Multivariable Limit: (x^2+y^2)/(1+y^2)

    i apologize i think may be a very stupid question since simple substitution should most likely work but if it doesn't please inform me what i am doing wrong! Thank you again.
  2. M

    Evaluating Multivariable Limit: (x^2+y^2)/(1+y^2)

    Multivariable Limits! Lim (x^2+y^2)/(1+y^2) (x,y)--> (0,0) evaluate the limit or determine that it does not exist. Im pretty sure that the limit does not exist because if i take it from the y and x axises the values don't match up but not really sure if that is the right way to do it. Any...
  3. M

    Multivariable Calc issues showing curve lies on cylinder

    Consider the space curve x = cos t, y = sin t, z = sin^2 t. (1) Without plotting this curve, show that this curve lies on the cylinder x^2 + y^2 = 1. (2) Plot this curve (without the cylinder), then use the appropriate rotations to see the planar projections on the xy-plane, the xz-plane and...
  4. M

    Find parametric eq for a line with point and plane

    Find parametric equations for the line through Po=(3,-1,1) perpendicular to the plane 3x+5y-7z=29. Hey guys I am slightly confused on where to even start on this one the only way i can think about doing it would be finding two other coordinates on the and then taking the cross product of...
  5. M

    Monochlorination of methylcyclopentane problem help

    monochlorination of methylcyclopentane problem! help Draw all the monochlorinated derivatives of methylcyclopentane that are skeletal isomers of one another. To make a monochlorinated derivative of a compound, replace one H atom in the compound with Cl. This makes me want to cry inside a...
  6. M

    Biology life span of nerve and red blood cells

    Question given. Predict how the average life span of a nerve cell located in the brain differs from the average life span of a red blood cell. Provide a basis based on cellular features. I know that the average life span of a nerve cell is the life span of the organism which it lives in. The...
  7. M

    Find Significant Difference of 1.7x10^5 & 1.49x10^6

    can someone give me a fomula to determine the significant difference of the difference in cells/mL in the sample our graph shows 1.7×〖10〗^5 and 1.49×〖10〗^6 how do i find if these numbers are significantly different? I know this is very broad and really doesn't give you much to work with but...
  8. M

    Kp problem with total pressure given

    we have done ICE tables but for this reaction none of the initials are given how would I find them with the given information?
  9. M

    Kp problem with total pressure given

    For the equilibrium shown below, Kp = 0.20 at 298K PCl5(g) <--> PCl (g) + Cl2 (g) A certain amount of PCl5 is added to a 1.0-L flask. When equilibrium is reached, the total pressure in the flask is 3.00atm. What is the initial pressure of PCl5 in the flask? If someone could point me in the...
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