Which of the Following Constants Is/are Needed to Calculate the Amount

question 60

Multiple Choice

Which of the following constants is/are needed to calculate the amount of energy required to heat 12.0g of H₂O(l) at 30.0°C to H₂O(l) at 85.0°C? I. $\Delta$ H_fus (H₂O)
II. $\Delta$ H_vap (H₂O)
III.specific heat of H₂O(s)
IV.specific heat of H₂O(l)
V.specific heat of H₂O(g)

• A)I and IV
• B)II and IV
• C)IV only
• D)I, II, and IV
• E)IV and V

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Definitions:

Neutralization

A chemical reaction in which an acid and a base react quantitatively to form water and a salt, effectively balancing the acid and base.

HCl

Hydrochloric acid, a strong corrosive acid that is a solution of hydrogen chloride in water, used in industrial and manufacturing processes.

NaOH

Sodium hydroxide, a strong alkaline compound used in the manufacturing of various products, such as paper, textiles, and soaps.

KBr

Potassium Bromide, a chemical compound used in photography, pharmaceuticals, and as a sedative in veterinary medicine.