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He aha ka hoʻohālikelike kemika?

ʻO ke kaulike kemika kahi ʻano o ka wehewehe ʻana i kahi hopena kemika ma kahi e pani ʻia ka inoa o kēlā me kēia mea kemika e kā lākou hōʻailona kemika.

I ka Equation Chemical, ke kuhikuhi nei ka pua i ke ʻaoʻao kahi e kū ai kahi hopena. No nā ʻaoʻao hoʻokahi, hōʻike mākou i ka pua mai ka hema a me ka ʻākau. No laila e hoʻopili nā mea ma ka hema, a ʻo ka mea ma ka ʻākau ka huahana.

Ka wehewehe ʻana o ke kaulike kaulike

ʻO ke kaulike kaulike kahi hoʻohālikelike hopena kemika kahi i like ai ka nui o ka hoʻouka a me ka helu o nā ʻoma no kēlā me kēia me ke ʻano no nā reactant a me nā ʻāpana. I nā huaʻōlelo ʻē aʻe, ua like ka nui a me ka uku ma nā ʻaoʻao ʻelua o ka hopena.

Nā laʻana o ke kaulike kaulike ʻole ʻia

ʻO nā reactant a me nā huahana o kahi hopena kemika i helu ʻia i ka hoʻohālikelike kaulike kaulike ʻole, akā ʻaʻole i hōʻike ʻia nā nui e pono ai e hoʻokō i ka mālama ʻana i ka nui. ʻO kēia hoʻohālikelike, no ka laʻana, kaulike ʻole i ka nui o ka nui no ka hopena ma waena o ka iron oxide a me carbon to form iron and carbon dioxide:

Fe₂O₃ + C → Fe + CO₂

ʻOiai ʻaʻohe ʻona i nā ʻaoʻao ʻelua o ka hoʻohālikelike, kaulike ka uku (net net charge).
Ma nā ʻāpana reactant o ka hoʻohālikelike (i ka hema o ka pua), aia ʻelua mau ʻoma hao, akā hoʻokahi wale nō ma ka ʻaoʻao huahana (ʻākau o ka pua). Hiki iā ʻoe ke ʻōlelo ʻaʻole kaulike ke kaulike ʻoiai ʻaʻole ʻoe e helu i nā helu ʻē aʻe.
Ma nā ʻaoʻao hema a ʻākau hoʻi o ka pua, ʻo ka pahuhopu o ke kaulike ʻana i ka hoʻohālikelike e loaʻa ka helu like o kēlā me kēia ʻano o ka ʻoma. Hoʻopau ʻia kēia ma ka hoʻololi ʻana i nā coefficients hoʻohui (helu i kau ʻia i mua o nā formulate). ʻO nā kau inoa (nā helu liʻiliʻi ma ka ʻākau o kekahi mau ʻoma, e like me ka hao a me ka oxygen i kēia hihia) ʻaʻole loa e loli.

ʻO ka hoʻohālikelike kaulike:

2 Fe₂O₃ + 3 C → 4 Fe + 3 CO₂

He aha ka mea waiwai i loko o ke kemika?

E nānā, nā mea āpau i ʻike ʻia, me nā kino o mākou, he mau mea. Aia kekahi mau mea kūlohelohe e like me nā holoholona, ​​nā mea kanu, nā muliwai, ka lepo ... he mau mea hana.

Loaʻa nā mea kūlohelohe i kekahi mau ʻano mea like ʻole. A hana ʻia nā mea hana i nā mea hana. ʻO kēlā me kēia mea he mea waiwai a i ʻole ka hui ʻana o kekahi mau mea. ʻO kahi laʻana: ʻO Aluminika, nā lula, nā aniani, ...

He aha ko lākou waiwai?

Loaʻa i kēlā me kēia mea waiwai kekahi mau waiwai: mokuʻāina a ʻano paha (solid, wai, gas) kala, ʻala a me ka ʻono. I ka helu ʻana a i ʻole hiki ʻole ke hoʻoheheʻe ʻia i ka wai ... Kahi hoʻoheheʻe, kahi e hoʻolapalapa ai, umekaumaha kikoʻī, lawe uila.

A ʻo ka hiki ke hoʻololi i nā mea ʻē aʻe, e laʻa, ka hiki ke decompose, holo ... ʻo ia nā waiwai kemika.

He aha ka'Ātoma?

Hana ʻia nā mea āpau i nā mea liʻiliʻi liʻiliʻi, uila ʻole i kapa ʻia nā ʻoma. Aia he ʻumi miliona mau mea ʻokoʻa, akā ma luna wale nō o 100 mau ʻano ʻoma.

Aia ka atoma i kahi nucleus i hoʻopiʻi maikaʻi ʻia a me kahi pūpū i haku ʻia i hoʻokahi a ʻoi aku paha o nā electron i hoʻouku ʻia

Hoʻohui hoʻohui

ʻIke pū ʻia me kahi ʻano synthesis. ʻO kekahi ʻano o ka hopena hui pinepine pinepine ʻia ka hopena o kahi mea me ka oxygen e hana i kahi oxide. Ma lalo o kekahi mau kūlana, nā mea hao a me nā mea pono ʻole i pane koke ʻia me ka oxygen. I ka manawa e hoʻā ʻia, hana wikiwiki ka magnesium me ka wikiwiki, e hana me ka oxygen mai ka lewa e hana i kahi lepo magnesium oxide maikaʻi.

3O₂ + 4P => 2P₂O₃ C₆H₅OH + 4O₂ => 3H₂O + 6CO₂ H₂O + CO₂ => H₂CO₃ CaO + H₂O => Ca (OH)₂ 3Cl₂ + 2P => 2PCl₃ 3F₂ + S => SF₆ H₂O + ZnO => Zn (OH)₂ E nānā i nā hopena o ka hui ʻana

Ka hopena palaho

Pili ka nui o nā hopena decomposition i ka wela, ka malamalama, a me ka uila e hoʻokomo i ka ikehu. ʻO nā hui binary nā mea i hoʻopili ʻia i ʻelua wale nō mea. ʻO ke ʻano maʻalahi o ka hopena i ka decomposition ke wā e haki kahi hui binary i loko o kāna mau mea. ʻO Mercury (II) ʻokikū, kahi paʻa ʻulaʻula, decomposes e hana i ka mercury a me ka oxygen oxygen i ka wā e wela ai. Eia kekahi, manaʻo ʻia kahi hopena ma ke ʻano he decomposition ʻoiai inā hoʻokahi a ʻoi paha o nā huahana he hui pū kekahi. Wāwahi kahi carbonate metala e hana i kahi oxide metal a me carbon gas dioxide. Kaleponi carbonate no ka laʻana decomposes into calcium oxide and carbon dioxide.

Fe₂(PELA₄)₃ => Fe₂O₃ + 3SO₃ (NH₄)₂Cr₂O₇ => 4H₂O + N₂ + Cr₂O₃ 2HgO => 2Hg + O₂ NH₄Cl => HCl + NH₃ 2NaHCO₃ => H₂O + Na₂CO₃ + CO₂ MgCO₃ => MgO + CO₂ 2H₂O + CaCl₂ => Ca (OH)₂ + Cl₂ + 2H₂ E nānā i nā hopena Decomposition āpau

Hoʻohuli hoʻohaʻahaʻa oxidation

ʻO kahi hopena oxidation-reduction (redox) kahi ʻano o ka hopena kemika e pili ana i ka hoʻoili o nā electron ma waena o nā ʻano ʻelua. ʻO kahi hopena hoʻohaʻahaʻa hoʻoliʻiliʻi kahi hopena kemika kahi e loli ai ka helu ʻokikene o kahi moleola, ʻoma, a i ʻole nā ​​ion i ka loaʻa ʻana a i ʻole ka nalo ʻana o ka electron. He mea nui a koʻikoʻi hoʻi nā hopena o Redox i kekahi o nā hana maʻamau o ke ola, e like me ka photosynthesis, ka hanu ʻana, ka puhi ʻana, a me ka popopo a ʻaʻā paha.

3AgNO₃ + Fe => 3Ag + Fe (NO₃)₃ 2H₂ + CH₃CN => C₂H₅NH₂ 6HCl + 2HNO₃ => 3Cl₂ + 4H₂O + 2 NO Cl₂ + 2S => S₂Cl₂ C + 2H₂ʻO => 2H₂ + CO₂ 2KI + 2FeCl₃ => 2FeCl₂ + I₂ + 2KCl C₂H₂ + Cl₂ => C + 2HCl Nānā i nā hopena o ka hoʻoliʻiliʻi-hoʻoliʻiliʻi

ʻO ka hopena kū hoʻokahi

A + BC → AC + B Element A he mea hao ia i loko o kēia hopena maʻamau a hoʻololi i ka mea B, kahi mea hao i ka hui pū kekahi. Inā he metala ʻole ka mea pani, pono ia e hoʻololi i kahi mea hao ʻē aʻe i kahi hui, a lilo ia i mea kaulike maʻamau. Hana maʻalahi nā metala he nui me nā waikawa, a ʻo kekahi o nā huahana hopena ke hana lākou pēlā hydrogen gas. Hana ʻo Zinc i ka zinc chloride aqueous a me ka hydrogen me ka waikawa hydrochloride (e ʻike i ke kiʻi ma lalo).

CH₃Br + KCN => KBr + CH₃CN 2Cl₂ + CH₂Cl₂ => HCl + CHCL₃ Cl₂ + 2NaI => I₂ + 2NaCl Br₂ + C₂H₆ => C₂H₅Br + HBr 3HNO₃ + C₆H₅CH₃ => 3H₂O + C₆H₂CH₃(NO₂)₃ 4Cl₂ + 2Fe₂O₃ => 4FeCl₂ + 3O₂ 4 Al + 3SiO₂ => 2Al₂O₃ + 3 ʻAe Nānā i nā hopena pālua pākahi

Hoʻohuli pālua

AB + CD → ʻO AD + CB A a me C he mau cation i hoʻopiʻi ʻia i kēia hopena, ʻoiai ʻo B a me D nā anion i hoʻopiʻi maikaʻi ʻole ʻia. Hana pinepine ʻia nā hopena pālua i ka hopena aqueous ma waena o nā pūhui. E hana i kahi hopena, ʻo kekahi o nā huahana he paʻapaʻa paʻa, kahi ʻōpala, a i ʻole kahi hui molaki e like me ka wai. Hana ʻia kahi pae i loko o ka hopena pālua i ka hui ʻana o nā cations mai hoʻokahi reactant e hana i kahi hui ionic insoluble me nā anioni mai kahi reactant ʻē aʻe. Hana ʻia ka hopena aʻe ke hoʻopili ʻia nā wai aqueous o potassium iodide a me kēpau (II) nitrate.

Al₂(PELA₄)₃ + 3BaCl₂ => 2AlCl₃ + 3BaSO₄ Na₂HPO₄ + NaOH => H₂O + Na₃PO₄ 2NaOH + ʻO CrSO₄ => Na₂SO₄ + Cr (OH)₂ (NH₄)₂CO₃ + H₂SO₄ => (NH₄)₂SO₄ + H₂O + CO₂ 3NaOH + Al (NO₃)₃ => Al (OH)₃ + 3NaNO₃ 3H₂O + Na₃Sb => H₂O₂ + 3NaOH Al₂(PELA₄)₃ + 3H₂O + 3K₂CO₃ => 2Al (OH)₃ + 3K₂SO₄ + 3CO₂ Nānā i nā hopena pālua pālua

E nānā i kā mākou pūnaewele Chemical Equation dictionaru ma nā ʻōlelo ʻokoʻa

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