A Lab Assistant Pours 330 G of Water at 45°C $900 \mathrm {~J} / \mathrm { kg } \cdot \mathrm { K }$

question 85

Multiple Choice

A lab assistant pours 330 g of water at 45°C into an 855-g aluminum container that is at an initial temperature of 10°C. The specific heat of aluminum is $900 \mathrm {~J} / \mathrm { kg } \cdot \mathrm { K }$ and that of water is 4186 J/kg ∙ K. What is the final temperature of the system, assuming no heat is exchanged with the surroundings?

• A) 28°C
• B) 32°C
• C) 31°C
• D) 33°C
• E) 35°C

Identify behaviors that contribute to a professional demeanor in various workplace situations.

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Definitions:

Rephrasing

The act of expressing the same idea or message in different words, often used to clarify or emphasize sales points.

Direct

A straightforward approach or method of communication or action without any intermediary steps or processes.

First Impressions

The initial opinion or feeling formed about someone or something based on appearance or initial interaction.

Sales

The activity or business of selling products or services to customers, aiming to meet both the needs of the customer and the selling company’s targets.