If the Vapor Pressure of Water in an Open System

question 23

Multiple Choice

If the vapor pressure of water in an open system at 25°C is 23.8 mmHg, what is ΔG for the reaction below at 25°C? H₂O(l) → H₂O(g, 23.8 mmHg)

• A) 0 kJ/mol
• B) -8.58 kJ/mol
• C) +8.58 kJ/mol
• D) -0.720 kJ/mol

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Definitions:

Causal Forecasting

A forecasting method that assumes the demand in future periods will be influenced by identifiable factors and uses statistical models to predict outcomes.

Weighted Moving Average

A calculation that averages a series of values while giving different weights to different values, often used in financial analysis to smooth data.

Simple Moving Average

A method used in technical analysis to smooth out price data by creating a constantly updated average price over a specific period of time.

Focus Forecasting

A technique that uses historical data to predict future demand by trying various forecasting methods and selecting the one that proves most accurate.