2A(g) + B(l) ⇌ 3C(aq) + D(s)

B

[(0.75)^3(0.25)]÷[(0.50)^2(0.75)]

Explanation:

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we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.