Asample of gas contains 0.1900 mol of h2(g) and 9.500×10-2 mol of o2(g) and occupies a volume of 10.1 l. the following reaction takes place: 2h2(g) o2(g)2h2o(g) calculate the volume of the sample after the reaction takes place, assuming that the temperature and the pressure remain constant. l

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Answer///precipitate;

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.