chemical equation
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
chemical equation; a representation of a chemical reaction using chemical formulas
formalIn a chemical equation, reactants are written on the left side, products on the right side, and the number of atoms of each element must be equal on both sides (conservation of mass). Arrows indicate the direction of reaction (→ for irreversible, ⇌ for reversible).
Hé合
chéng成
ān氨
de的
huà化
xué学
fāng方
chéng程
shì式
shì是
NN
₂₂
＋＋
33
HH
₂₂
⇌⇌
22
NN
HH
₃₃
。
The chemical equation for ammonia synthesis is N₂ + 3H₂ ⇌ 2NH₃.
Qīng氢
qì气
zài在
yǎng氧
qì气
zhōng中
rán燃
shāo烧
shēng生
chéng成
shuǐ水
de的
huà化
xué学
fāng方
chéng程
shì式
wéi为
22
HH
₂₂
＋＋
OO
₂₂
→→
22
HH
₂₂
OO
。
The chemical equation for hydrogen burning in oxygen to form water is 2H₂ + O₂ → 2H₂O.
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Pèi配
píng平
huà化
xué学
fāng方
chéng程
shì式
xū需
yào要
què确
bǎo保
fǎn反
yìng应
qián前
hòu后
gè各
yuán元
sù素
de的
yuán原
zǐ子
shù数
mù目
xiāng相
děng等
。
Balancing a chemical equation requires ensuring that the number of atoms of each element is equal before and after the reaction.