Which of the Following Statements Is/are True

question 4

Multiple Choice

Which of the following statements is/are true?
(I) q (heat) is a state function because ΔH is a state function and q=Δ .
(II) When 50.0 g of aluminum at 20.0°C is placed in 50.0 mL of water at 30.0°C, the H₂O will undergo a smaller temperature change than the aluminum. (density of H₂O = 1.0 g/ml , specific heat capacity of H₂O = 4.18 J/g.°C , specific heat capacity of aluminum = 0.89 J/g. °C)
III) When a gas is compressed, the work is negative since the surroundings is doing work on the system and energy flows out of the system.
(IV) For the reaction (at constant pressure) 2N₂(g) +5O₂(g) → 2N₂O₅(g) , the change in enthalpy is the same whether the reaction takes place in one step or in a series of steps.

• A) I, II, IV
• B) II, III
• C) II, III, IV
• D) II, IV
• E) All of the above statements are true.

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Definitions:

Psychologists

Professionals specialized in the study and treatment of cognitive, emotional, and behavioral aspects of human behavior.

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The total amount of information the brain is capable of retaining and processing.