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prelaboratory assignment 1
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section
25 pts
1. a dry beaker weighing 45.48 g is completely filled with water and reweighed. the filled
flask was found to have a mass of 78.648 g at is 25 °c. the mass of water required to fill
the flask is--

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Answersublimation;

Following are the  advantages of the parametric equations: 1) they can be used to graph curves that are not functions, like the unit circle.2) the parameter can be used to represent the quantity that is  useful to  provide us with better information about the graph.3)  it is useful to convert between rectangular equations and parametric equations.with specific reference to chemistry,  parametric equations are employ for solving hydrogen and hydrogen-like ions, quantum mechanically. herein, cartesian coordinates are converted in spherical polar coordinates. the solution obtained, when plotted on spherical polar graph paper, provides visualization of atomic orbital such as s,p,d and f. 

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