A Sample Consisting of CO₂(g) and CO₂(s) at Equilibrium at -78°C

question 44

Multiple Choice

A sample consisting of CO₂(g) and CO₂(s) at equilibrium at -78°C and 1 atm pressure is heated to -30°C, and the pressure is increased to 8 atm. Based on the phase diagram below, what will happen?

• A) At equilibrium, only CO₂(g) will be present.
• B) The melting point of the CO₂(s) will decrease.
• C) At equilibrium, CO₂(g) and CO₂(l) will be present.
• D) All the CO₂ will be converted to CO₂(l).
• E) none of these

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Definitions:

Yield To Maturity

the total return anticipated on a bond if the bond is held until it matures, considering both interest payments and capital gain.

10 ½% Bond

A bond that pays an annual interest rate of ten and a half percent of its face value.

Yield To Maturity

The total return anticipated on a bond if it is held until its maturity date.

8 ½% Bond

A bond that pays an annual interest rate of 8.5% on its face value.