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class="ques-origin a-pointer" target="_blank"> (2024九上·宜都月考) </a> 一冰塊先后經(jīng)歷了以下三個過程：<p style="text-align:justify;">①20℃的水到10℃的水，放出熱量Q<sub>1</sub>；</p><p style="text-align:justify;">②10℃的水變?yōu)?℃的冰，放出熱量Q<sub>2</sub>；</p><p style="text-align:justify;">③0℃的冰到-10℃的冰，放出熱量Q<sub>3</sub>；已知<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsub%3E%3Cmi%3Ec%3C%2Fmi%3E%3Cmi+mathvariant%3D%22normal%22%3E%E5%86%B0%3C%2Fmi%3E%3C%2Fmsub%3E%3Cmo%3E%26lt%3B%3C%2Fmo%3E%3Cmsub%3E%3Cmi%3Ec%3C%2Fmi%3E%3Cmi+mathvariant%3D%22normal%22%3E%E6%B0%B4%3C%2Fmi%3E%3C%2Fmsub%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> ，在整個過程中質(zhì)量保持不變，則（　?。?/p> </h1> <div id="s9xrbwl" class="exam-s"> <span id="uqizmxy" class="op-item"><span id="dggmt6y" class="op-item-nut">A . </span><span id="9vzpusa" class="op-item-meat">Q<sub>1</sub>＝Q<sub>2</sub>＝Q<sub>3</sub></span></span> <span id="lfwa9sk" class="op-item"><span id="fmptsey" class="op-item-nut">B . </span><span id="bma19je" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsub%3E%3Cmi%3EQ%3C%2Fmi%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmsub%3E%3Cmo%3E%26gt%3B%3C%2Fmo%3E%3Cmsub%3E%3Cmi%3EQ%3C%2Fmi%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmsub%3E%3Cmo%3E%26gt%3B%3C%2Fmo%3E%3Cmsub%3E%3Cmi%3EQ%3C%2Fmi%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmsub%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="99vpnhv" class="op-item"><span id="95deo4f" class="op-item-nut">C . </span><span id="tt9dczx" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsub%3E%3Cmi%3EQ%3C%2Fmi%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmsub%3E%3Cmo%3E%26lt%3B%3C%2Fmo%3E%3Cmsub%3E%3Cmi%3EQ%3C%2Fmi%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmsub%3E%3Cmo%3E%26lt%3B%3C%2Fmo%3E%3Cmsub%3E%3Cmi%3EQ%3C%2Fmi%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmsub%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="4dlxw4n" class="op-item"><span id="dkc4u4x" class="op-item-nut">D . </span><span id="x14fvox" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsub%3E%3Cmi%3EQ%3C%2Fmi%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmsub%3E%3Cmo%3E%26lt%3B%3C%2Fmo%3E%3Cmsub%3E%3Cmi%3EQ%3C%2Fmi%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmsub%3E%3Cmo%3E%3D%3C%2Fmo%3E%3Cmsub%3E%3Cmi%3EQ%3C%2Fmi%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmsub%3E%3C%2Fmrow%3E%3C%2Fmath%3E" 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