At a Given Temperature,0

question 20

Multiple Choice

At a given temperature,0.0664 mol N₂O₄(g) is placed in a 1.00 L flask.After reaching equilibrium,the concentration of NO₂(g) is 6.1 × 10^-3 M.What is K_c for the reaction below? N₂O₄(g) 2 NO₂(g)

• A) 3.7 ×10^-5
• B) 1.4 ×10^-4
• C) 5.9 × 10^-4
• D) 9.6 × 10^-2
• E) 1.8 × 10³

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Definitions:

Profile Tolerance

A geometric dimensioning and tolerancing method that specifies the allowable variation of a surface's profile.

True Profile

The accurate outline or contour of an object's surface as specified in design documentation.

Circular Runout

Circular runout is a tolerance specified on cylindrical parts to control the amount of variation or wobbles as the part rotates around a datum axis.

Right Angles

Describes an angle of 90 degrees, representing the intersection at which two lines or planes meet to form a perfect corner.