When the Equation __ (CH₃)₂NNH₂ + __ N₂O₄ → __ N₂ + __

question 131

Multiple Choice

When the equation
__ (CH₃) ₂NNH₂ + __ N₂O₄ → __ N₂ + __ H₂O + __ CO₂
Is balanced,the sum of all the coefficients (simplest whole number) is

• A)13.
• B)12.
• C)9.
• D)10.
• E)11.

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Definitions:

Melt-Through Symbol

In welding, a symbol denoting that full penetration has been achieved in the weld, ensuring the joint is as strong as the base metals.

Reference Line

A line used in technical drawings or diagrams as a basis for measurement or to denote a base position from which other dimensions or positions are determined.

Arrow

A graphical symbol used to indicate direction or to point towards an object or location.

Weld Joint

The junction or area where two or more metal parts are joined together by welding.