When the Following Equation Is Balanced in Standard Form, What

question 52

Multiple Choice

When the following equation is balanced in standard form, what is the coefficient in front of the H₂O? C₂H₆(g) + O₂(g) CO₂(g) + H₂O(g)

• A) 6
• B) 2
• C) 4
• D) 1
• E) 7

---

Definitions:

Tine Test

A skin test used to diagnose tuberculosis by introducing tuberculin purine into the skin with a multiple puncture device.

Sun Exposure

Sun exposure refers to the amount of time spent in sunlight, which can have both beneficial effects, like vitamin D synthesis, and harmful effects, such as skin damage.

Flat

Having a smooth and even surface without any significant rise, decline, or curvature.

Brownish Spot

May refer to a type of skin lesion or discoloration, often caused by hyperpigmentation, sun exposure, or other dermatological conditions.