下表分别给出了一些物质的密度、熔点、比热容,某同学给出的下列

下表分别给出了一些物质的密度、熔点、比热容,某同学给出的下列结论正确的是

物质

密度/kg/m3

(常温、常压下)

物质

熔点/

(标准大气压)

物质

比热容

c/[J·(kg·-1]

纯水

1.0×103

0

4.2×103

酒精

0.8×103

固态酒精

-117

酒精

2.4×103

水银

13.6×103

固态水银

-39

水银

0.14×103

8.9×103

1083

0.39×103

2.7×103

660

0.88×103

A.500g纯净水的瓶子装不下500g酒精

B.在气温最低达零下40多度的呼伦贝尔市,水银、酒精温度计都能用

C.冶炼工业可以用铝锅来冶炼铜

D.质量相等的铝块和铜块降低相同的温度,铝块放出的热量多

答案

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