1. (2023九上·廊坊期中) “曲水流觴”是古代文人墨客詩酒唱酬的一種雅事。如圖所示，將酒盞漂浮在清冽的溪水上隨溪流動，能夠降低酒的溫度；若酒盞里質(zhì)量為100g的酒在漂流過程中，溫度從30℃降低至25℃，會放出J的熱量。距離很遠(yuǎn)也能聞到酒香，這是一種現(xiàn)象?！?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%E9%85%92%3C%2Fmi%3E%3C%2Fmsub%3E%3Cmo%3E%3D%3C%2Fmo%3E%3Cmn%3E3.4%3C%2Fmn%3E%3Cmo%3E%C3%97%3C%2Fmo%3E%3Cmsup%3E%3Cmrow%3E%3Cmn%3E10%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmsup%3E%3Cmtext%3EJ%2F%3C%2Fmtext%3E%3Cmfenced+open%3D%22%28%22+close%3D%22%29%22%3E%3Cmrow%3E%3Cmtext%3Ekg%3C%2Fmtext%3E%3Cmo%3E%E2%8B%85%3C%2Fmo%3E%3Cmo%3E%E2%84%83%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmfenced%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">】