What quantity of heat (in kJ) will be absorbed by a 40.3 g piece of aluminum (specific heat =0.930 J/g⋅

Answers

Answer 1

The quantity of heat absorbed by a 40.3 g piece of aluminum can be calculated using the formula: Q = m × c × ΔT, where Q is the heat absorbed, m is the mass of the aluminum, c is the specific heat of aluminum, and ΔT is the change in temperature. Given that the specific heat of aluminum is 0.930 J/g⋅°C, we need the change in temperature to calculate the heat absorbed.

1. Given: mass of aluminum (m) = 40.3 g

2. Given: specific heat of aluminum (c) = 0.930 J/g⋅°C

3. Calculate the change in temperature (ΔT) if it is not provided.

4. Use the formula: Q = m × c × ΔT to calculate the heat absorbed.

5. Substitute the values into the formula: Q = 40.3 g × 0.930 J/g⋅°C × ΔT.

6. Calculate ΔT if it is not provided.

7. Multiply the mass (40.3 g) by the specific heat (0.930 J/g⋅°C) and ΔT to find the heat absorbed.

8. Once ΔT is known, substitute the value back into the formula to calculate Q.

9. Calculate Q = 40.3 g × 0.930 J/g⋅°C × ΔT.

10. The result will be the quantity of heat absorbed by the aluminum in kilojoules (kJ).

11. Express the final answer in the appropriate units (kJ).

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Related Questions

Which rhetorical techniques does the speaker use in this excerpt? Select three options.

ethos
shift
pathos
parallelism
understatement

Answers

The speaker in this excerpt utilizes the rhetorical techniques of ethos, pathos, and parallelism.

1. Ethos: Ethos is an appeal to the speaker's credibility and authority. In this excerpt, the speaker establishes their ethos by presenting themselves as knowledgeable and trustworthy on the subject matter. They may provide evidence of their expertise, share personal experiences, or cite reputable sources to gain the audience's trust and persuade them.

2. Pathos: Pathos is an appeal to the emotions of the audience. The speaker in this excerpt employs pathos by using language and examples that evoke strong emotional responses from the listeners. They may tell a heartfelt story, use vivid imagery, or employ words that elicit empathy or sympathy. By appealing to the audience's emotions, the speaker aims to create a connection and engage them on a deeper level.

3. Parallelism: Parallelism involves the repetition of grammatical structures or patterns to create a sense of balance and rhythm. The speaker in this excerpt employs parallelism by structuring their sentences or phrases in a similar manner. This repetition helps to emphasize key ideas, create a memorable cadence, and highlight important points. It also adds a sense of coherence and organization to the speaker's message.

Note: The options "shift" and "understatement" were not selected as they were not mentioned in the original question.

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suppose you are going to attend unde's marri age ceremony you will be unable present in the school write an application to your school principal to questing to grant leave for 3 days

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Dear Sir/Madam,I am writing this application to request a leave of three days from school as I have to attend my cousin's marriage ceremony in the coming week.

The marriage ceremony is an important family event, and I cannot miss it. The wedding is taking place out of town, and I will be away from the city during that period. I request you to kindly grant me leave from school for three days, starting from [date] to [date].

During my absence, I will ensure that I make up for the missed lessons by catching up with the teachers and the students who will be present in the school on the day of my absence. I assure you that I will return to school on the fourth day after the ceremony and will be ready to resume the studies with full dedication and focus.

Kindly approve my leave request so that I can participate in my cousin's marriage ceremony and contribute to the family event.

Thank you.

Yours Sincerely,[Your Name]

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