q=mc*deltaT

q=mc*deltaT

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What does the formula q=mcΔT represent?

Back

It represents the relationship between heat energy (q), mass (m), specific heat capacity (c), and change in temperature (ΔT) of a substance.

2.

FLASHCARD QUESTION

Front

In the equation q=mcΔT, what does 'c' stand for?

Back

'c' stands for specific heat capacity, which is the amount of heat required to raise the temperature of 1 gram of a substance by 1°C.

3.

FLASHCARD QUESTION

Front

What is the unit of measurement for specific heat capacity (c)?

Back

The unit of measurement for specific heat capacity is J/g°C or cal/g°C.

4.

FLASHCARD QUESTION

Front

If 5000 J of energy is added to a substance with a mass of 10 g and a specific heat of 0.875 J/g°C, what is the change in temperature?

Back

The change in temperature (ΔT) can be calculated using the formula ΔT = q/(mc). In this case, ΔT = 5000 J / (10 g * 0.875 J/g°C) = 570.86°C.

5.

FLASHCARD QUESTION

Front

Which substance requires more energy to raise its temperature by 1°C: water or wood?

Back

Water requires more energy to raise its temperature by 1°C because it has a higher specific heat capacity (4184 J/Kg°C) compared to wood (1760 J/Kg°C).

6.

FLASHCARD QUESTION

Front

What is the specific heat of Substance X if it is 0.5 J/g°C?

Back

The specific heat of Substance X is 0.5 J/g°C.

7.

FLASHCARD QUESTION

Front

What is the specific heat of Substance Z if it is 3.6 J/g°C?

Back

The specific heat of Substance Z is 3.6 J/g°C.

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