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<quiz>
 <!-- categoryid: 1516 -->
 <question type="category"><category><text>1º BACHILLERATO/FÍSICA/CALOR</text></category></question>
 
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 <question type="calculatedsimple">
    <name>
      <text>Calcula el calor necesario para calentar</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p>Calcula el calor necesario para calentar {m} gramos de una sustancia de {ti} ºC a {tf} ºC, si no cambia de estado en ese intervalo y el calor específico es de {ce} J/Kg·K</p>]]></text>
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<answer fraction="100">
    <text>{m}*pow(10,-3)*{ce}*({tf}-{ti})</text>
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