Recent content by Sassenav22

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    Rate of Reaction Homework: Bromination of Acetone Order

    Yeah the table didn't come out right. But I figured out how to work the problem.
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    Rate of Reaction Homework: Bromination of Acetone Order

    Homework Statement The bromination of acetone is catalyzed by acid. CH3COCH3 + Br2 + H2O ------> CH3COCH2 + Br- + H3O+ The rate disappearance of bromine was measured for several different initial concentration of acetone, bromine and hydronium ion as represented in the following table...
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    What stage of mitosis can chromosomes be counted and why?

    What stage of mitosis can chromosomes be counted and why?
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    High School Add, subtract, multiply and divide uncertainties in measurement.

    errors in measurement like 0.06 plus and minus 5% and 0.09 plus and minus 3%
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    High School Add, subtract, multiply and divide uncertainties in measurement.

    Can someone show me how to add, subtract, multiply and divide uncertainties in measurement.
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    What is the best experimental method for determining the charge of an electron?

    I need experiment that has not be done already. Something similar to Millikan but not the same.
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    What is the best experimental method for determining the charge of an electron?

    Homework Statement I need to design an experiment to find the charge of an electron. And I have no idea how. Could somebody give an idea on what I could do?
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    Photoelectric Effect: Calculating Potential Difference

    Homework Statement What potential difference must be applied to stop the fastest photoelectrons by a nickel surface under the action of ultraviolet light of wavelength 220 nm? work function of nickel is 5.00eV.Homework Equations h[c]/[\lambda] = \Phi + eVThe Attempt at a Solution h=6.6x10^-34...
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    Calculating Alpha Neutron Reaction Energy for Beryllium

    Homework Statement Calculate the energy released in the alpha neutron reaction for beryllium. The mass of beryllium is 9.012183u. ^{4}_{2}He + ^{9}_{4}Be \rightarrow ^{1}_{0}n + ^{12}_{6}C Homework Equations The Attempt at a Solution Tried finding the total binding energy for both...
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    Fractional distillation of crude oil

    Thank you
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    Fractional distillation of crude oil

    It is a planning and designing experiment to prove that crude oil can be separated into most of its components using fractional distillation in a laboratory use a fractionating column, Bunsen burner and a condenser. I want to know what fraction of crude oil would distill off.
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    Fractional distillation of crude oil

    Homework Statement What fractions of crude oil would be distilled off, if you did the fractional distillation of crude oil in a lab? Homework Equations The Attempt at a Solution I think light petroleum and light naphtha, but I am not sure.
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    Young's Modulus of Copper Wire: N/m Value

    ok thanks!
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    Young's Modulus of Copper Wire: N/m Value

    Homework Statement What is the actual value for the young's modulus of copper wire in N/m?Homework Equations The Attempt at a Solution
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    Solving Motion Equation: Transposing s=ut + 1/2at^2 for a

    Thanks!