Friday
September 19, 2014

Posts by cristie


Total # Posts: 6

science
Shown below is a rough sketch of the unary phase diagram (pressure vs. temperature) for carbon dioxide , dry ice. Note the diagram is not drawn to scale and contains breaks in the axes to signify this. Using the diagram, answer the following questions
January 12, 2013

science
A photon interacts with a ground state electron in a hydrogen atom and is absorbed. The electron is ejected from the atom and exhibits a de Broglie wavelength of . Determine the frequency (in hz) of the interacting photon.
January 12, 2013

chemistry
One chirality of CH3CHClCOOH is shown below. Identify the image(s) below that exhibit the opposite chirality. Select all that apply.
January 1, 2013

chemistry
What is the value of the degree of polymerization n of isotactic PB with a molecular weight of 3.091×105 g/mol?
January 1, 2013

chemistry
Calculate the degree of polymerization n of polystyrene with a molecular weight of 3.091*10^6 g/mol.
January 1, 2013

physics
A 0.72 kg rock is projected from the edge of the top of a building with an initial velocity of 11 m/s at an angle 51◦ above the horizontal. Due to gravity, the rock strikes the ground at a horizontal distance of 17.4 m from the base of the building. how tall is the ...
November 8, 2012

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