Question

if the pressure of a gas is 2.42 atm, what is its pressure in kpa?

0.00318 kpa
0.0239 kpa
245 kpa
1,840 kpa

Explanation:

<pre_analysis>
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"concepts_used": [],
"new_concepts": [
"Pressure Unit Conversion",
"Atmosphere to Kilopascal"
],
"current_concepts": [
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"Atmosphere to Kilopascal"
]
}
</pre_analysis>

<reasoning>

Identify the conversion factor between atm and kPa

\[
1\text{ atm} = 101.325\text{ kPa}
\]

Convert the given pressure to kPa

\[
P = 2.42\text{ atm} \times 101.325\text{ kPa/atm} = 245.2065\text{ kPa}
\]

Round to three significant figures

\[
P \approx 245\text{ kPa}
\]
</reasoning>

<answer>
<mcq-option>(A) 0.00318 kPa</mcq-option>
<mcq-option>(B) 0.0239 kPa</mcq-option>
<mcq-correct>(C) 245 kPa</mcq-correct>
<mcq-option>(D) 1,840 kPa</mcq-option>
</answer>

<post_analysis>
{
"subject": "Natural Science",
"question_type": "Multiple Choice",
"knowledge_point": [
"Natural Science",
"Chemistry",
"Gas Laws and Pressure Conversions"
]
}
</post_analysis>

Answer:

<pre_analysis>
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"skills_matched": [
"step_cot",
"multiple_choice_formatter",
"explain_then_answer",
"quick"
],
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"concepts_used": [],
"new_concepts": [
"Pressure Unit Conversion",
"Atmosphere to Kilopascal"
],
"current_concepts": [
"Pressure Unit Conversion",
"Atmosphere to Kilopascal"
]
}
</pre_analysis>

<reasoning>

Identify the conversion factor between atm and kPa

\[
1\text{ atm} = 101.325\text{ kPa}
\]

Convert the given pressure to kPa

\[
P = 2.42\text{ atm} \times 101.325\text{ kPa/atm} = 245.2065\text{ kPa}
\]

Round to three significant figures

\[
P \approx 245\text{ kPa}
\]
</reasoning>

<answer>
<mcq-option>(A) 0.00318 kPa</mcq-option>
<mcq-option>(B) 0.0239 kPa</mcq-option>
<mcq-correct>(C) 245 kPa</mcq-correct>
<mcq-option>(D) 1,840 kPa</mcq-option>
</answer>

<post_analysis>
{
"subject": "Natural Science",
"question_type": "Multiple Choice",
"knowledge_point": [
"Natural Science",
"Chemistry",
"Gas Laws and Pressure Conversions"
]
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</post_analysis>