QUESTION IMAGE
Question
which equation represents the combined gas law?
\\(p_1 v_1 = p_2 v_2\\)
\\(\frac{v_1}{t_1} = \frac{v_2}{t_2}\\)
\\(\frac{p_1 v_1}{t_1} = \frac{p_2 v_2}{t_2}\\)
\\(p_1 v_1 t_1 = p_2 v_2 t_2\\)
<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"multiple_choice_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Gas Laws"
],
"new_concepts": [
"Combined Gas Law"
],
"current_concepts": [
"Gas Laws",
"Combined Gas Law"
]
}
</pre_analysis><reasoning>
Identify the individual gas laws
\[
\]
Combine the laws into a single relation
\[
\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}
\]
</reasoning><answer>
<mcq-option>(A) \(P_1V_1 = P_2V_2\)</mcq-option>
<mcq-option>(B) \(\frac{V_1}{T_1} = \frac{V_2}{T_2}\)</mcq-option>
<mcq-correct>(C) \(\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\)</mcq-correct>
<mcq-option>(D) \(P_1V_1T_1 = P_2V_2T_2\)</mcq-option>
</answer><post_analysis>
{
"subject": "Natural Science",
"question_type": "Multiple Choice",
"knowledge_point": [
"Natural Science",
"Chemistry",
"Combined Gas Law"
]
}
</post_analysis>
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<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"multiple_choice_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Gas Laws"
],
"new_concepts": [
"Combined Gas Law"
],
"current_concepts": [
"Gas Laws",
"Combined Gas Law"
]
}
</pre_analysis><reasoning>
Identify the individual gas laws
\[
\]
Combine the laws into a single relation
\[
\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}
\]
</reasoning><answer>
<mcq-option>(A) \(P_1V_1 = P_2V_2\)</mcq-option>
<mcq-option>(B) \(\frac{V_1}{T_1} = \frac{V_2}{T_2}\)</mcq-option>
<mcq-correct>(C) \(\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\)</mcq-correct>
<mcq-option>(D) \(P_1V_1T_1 = P_2V_2T_2\)</mcq-option>
</answer><post_analysis>
{
"subject": "Natural Science",
"question_type": "Multiple Choice",
"knowledge_point": [
"Natural Science",
"Chemistry",
"Combined Gas Law"
]
}
</post_analysis>