When a Sample of Water at 0

question 26

Multiple Choice

When a sample of water at 0.0°C is cooled to -36.0°C and freezes in the process,935,000 kJ of heat is liberated.What is the mass of this sample of water? For water L_F = 334,000 J/kg,L_V = 2.256 × 10⁶ J/kg,and the specific heat of ice is 2050 J/kg ∙ °C.

• A)2290 kg
• B)1145 kg
• C)2800 kg
• D)12,700 kg

---

Definitions:

Single-sentence Thesis Statement

A concise statement that summarizes the main point or claim of an essay or research paper, typically found at the end of the introduction.

Type II Error

The error that occurs when the null hypothesis is not rejected when it is actually false, referring to a missed detection of an effect.

Hypothesis Test

A statistical method used to determine if there is enough evidence to reject a null hypothesis in favor of an alternative hypothesis, based on sample data.

Average Final Exam Score

The mean score obtained by averaging the final exam scores of all students in a course or subject.