When 50 G of a Certain Material At $100 ^ { \circ } \mathrm { C }$

question 29

Multiple Choice

When 50 g of a certain material at $100 ^ { \circ } \mathrm { C }$ is mixed with 100 g of water at $0 ^ { \circ } \mathrm { C }$ the final temperature is $40 ^ { \circ } \mathrm { C }$ What is the specific heat of the material? The specific heat of water is $1.00 \mathrm { kcal } / \mathrm { kq } \cdot \mathrm { C } ^ { \circ }$

• A) \(0.33 \mathrm { kcal } / \mathrm { kg } \cdot \mathrm { C } ^ { \circ }\)
• B) \(7.5 \mathrm { kcal } / \mathrm { kg } \cdot \mathrm { C } ^ { \circ }\)
• C) \(1.3 \mathrm { kcal } / \mathrm { kg } \cdot \mathrm { C } ^ { \circ }\)
• D) \(0.75 \mathrm { kcal } / \mathrm { kg } \cdot \mathrm { C } ^ { \circ }\)

Distinguish between qualitative and quantitative research methods.

Recognize the role and impact of digital analytics in public relations.

Understand the principles of effective persuasion and influence in public relations.

Analyze the process and strategies for managing public perceptions and behaviors.

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