In Newton's Law of Gravity the Universal Gravitational Constant Is

question 58

Multiple Choice

In Newton's law of gravity the universal gravitational constant is G = Fr²/m₁m₂, where F is the gravitational force between the two masses, m₁ and m₂, and r is the distance between them. What are the dimensions of G?

• A) L²M^-1T ².
• B) L³M^-1T ^-2
• C) L²M^-2T ^-2
• D) L³M^-1T ².
• E) L^-3M¹T ³.

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Definitions:

But-1-ene

A linear four-carbon alkene with a double bond between the first and second carbon atoms, with the formula C4H8.

Dehydrogenation

A chemical reaction that involves the removal of hydrogen from a molecule, often making unsaturated bonds.

∆G°

The standard change in Gibbs free energy for a process, indicating whether a reaction is thermodynamically favorable under standard conditions.

∆H°

Standard enthalpy change of a reaction, representing the heat exchanged under standard conditions (1 atm, 298.15 K).