hán

焓

Character · Noun

enthalpy; heat content

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Meanings

1 sense · 4 examples
1.

noun

enthalpy; heat content

A thermodynamic potential defined as the sum of a system's internal energy and the product of its pressure and volume. Commonly used in thermodynamics and chemical engineering to measure heat flow in constant-pressure processes.

Hán焓
shì是
rè热
lì力
xué学
zhōng中
yī一
gè个
zhòng重
yào要
de的
zhuàng状
tài态
hán函
shù数
 。

Enthalpy is an important state function in thermodynamics.

Zài在
zhè这
gè个
děng等
yā压
guò过
chéng程
zhōng中
 ,
xì系
tǒng统
hán焓
de的
zēng增
jiā加
děng等
yú于
xī吸
shōu收
de的
rè热
liàng量
 。

In this isobaric process, the increase in the system's enthalpy equals the heat absorbed.

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Wǒ我
men们
kě可
yǐ以
tōng通
guò过
cè测
liáng量
hán焓
biàn变
lái来
què确
dìng定
fǎn反
yìng应
de的
rè热
xiào效
yìng应
 。

We can determine the thermal effect of a reaction by measuring the enthalpy change.

Shuǐ水
zhēng蒸
qì气
de的
bǐ比
hán焓
bǐ比
yè液
tài态
shuǐ水
de的
bǐ比
hán焓
dà大
de得
duō多
 。

The specific enthalpy of water vapor is much greater than that of liquid water.