H2+ copper oxide heats copper +H2O.
2H2+O2 ignites 2H2O
2. Organic
Methane burns in air: CH4+2O2 ignites CO2+2H2O.
Alcohol burns in air: C2H5OH+3O2 ignites 2CO2+3H2O.
3. Water-related
Water decomposes under the action of direct current: 2H2O is charged with 2H2↑+ O2 ↑.
4. About salt
Heating basic copper carbonate: Cu2(OH)2CO3 heating 2cuo+H2O+CO2 =
5. About acid
Zinc and dilute sulfuric acid Zn+H2SO4 = ZnSO4+H2 =
Reaction of iron oxide with dilute hydrochloric acid: Fe2O3+6HCl === 2FeCl3+3H2O+3H2O.
The reaction between sulfuric acid and caustic soda: H2SO4+2NaOH = = = Na2SO4+2H2O.
Marble reacts with dilute hydrochloric acid: CaCO3+2hcl = = CaCl2+H2O+CO2 =
6. Related to alkali
Caustic soda will deteriorate when exposed to air: 2NaOH+CO2 = = = Na2CO3+H2O.
ca(OH)2+na2co 3 = = CaCO3↓+2 NaOH
2. The poem about diligence is 1. Life is diligent and has nothing to ask for. -Zhang Heng
2. Industry is diligent, play is useless, and actions are destroyed by thinking. -Han Yu
Why do you have to go to bed in the middle of the night and get up at five? The most useless thing is to be frozen for ten days a day.
4. Poetry and books are diligent, but not diligent and empty. -Han Yu
5. If a person can do it, it is already one hundred; People can do it in ten ways, there are thousands. -Book of Rites
6. Wealth has no roots, but it comes from diligence. -Feng Menglong
7. Although thousands of waves are difficult, it takes time to blow out the yellow sand. -Liu Yuxi
8. absolute beauty is gone forever, and it is hard to wake up in the morning. Timely encouragement, time waits for no one. -Tao Yuanming
9. Diligence is like a seedling in spring. If it doesn't increase, it will get stronger every day.
Dropping out of school is like a whetstone. Can't see the harm, losing money every day.
10. Read more than 10,000 volumes and write like a god.
1 1.
12. This is the night when people read.
13. Gentleman, strive for self-improvement. -Zhou Yigan (Confucian classics before Qin and Han Dynasties)
14. Running water does not rot, family members do not rot, and people's livelihood is diligent. -Zhang Shaocheng
15. Broken wood is born in millimeters; The nine-story platform starts from the foundation soil; A journey of a thousand miles begins with a single step. -Lao Dan quoted from Lao Tzu's Tao Te Ching.
16. One leap, not ten steps; Ten drivers, Xu, contributed; Perseverance, rotten wood can't be carved; Perseverance, the stone can be carved. -Xun Kuang quoted from Xunzi, encouraging learning.
17. There is a road to diligence in Shushan, and there is no end to learning.
3. The poem about numbers has gone two or three miles, with four or five smoke villages, six or seven terraces and eighty or ninety flowers. A farewell, the two places are linked to each other, only in March and April, but a farewell is five or six years.
The lyre has no intention to play, the eight lines have no transmission, the nine-ring chain has never been interrupted, and the Shili Pavilion wants to wear it. I can't understand it, I can't understand it, so I have no choice but to blame Lang.
Joe's second child, Xiao Qiao, has three inches of golden lotus and four inches of waist. Paint it with 567 powder to make it look charming.
After the farewell, the two places hung together. They all say March and April, but who knows five or six years.
The lyre has no intention to play, and the eight-character book can't be passed down. The nine-ring chain has never been interrupted, and the Shili Pavilion is in a hurry! A thousand words can't be finished, and you are bored.
Chongyang climbs to see the lonely geese, and the full moon in August is not round. In July and a half, I burned incense and held candles to ask heaven. In the dog days of June, everyone shakes my heart.
Pomegranate is like fire in May, but it is watered by cold rain. April loquat is not yellow, I look in the mirror, am utterly confused.
In a hurry, the peach blossoms turn with the water in March; It fell and fell, and the kite string was broken in February. I hope that in the next life, you will come as a woman and I will be a man. One by one, two, three, four or five.
Six dollars, seven dollars, and eight or nine dollars are all missing when flying into the reed flower. A post is red and strong, with the shadow of Bixi, and the willows in the west six miles of thousands of feet.
Swallows with two nests are difficult to learn, and half pillows often hate chickens for five nights. Nine days of physical and mental dreams, thousands of clouds and waters all around.
Ten out of ten, 70% to 80% is a virtual image, and three spring wins two tears. There are four or five smoke villages, six or seven pagodas, and eighty or ninety flowers.
1 Two orioles sing green willows, and a row of egrets rise to the sky. 2 stop and sit in the maple forest late, and the frost leaves are red in February.
Visiting the world frequently, he gave his heart to two generations. Gu Si Mountain is exposed to water and light, and it is ten miles long with Cyperus rotundus hedges.
Wuling makes waves, and Wumeng takes mud pills. After all, the scenery of the West Lake is different from that at four o'clock in June.
There are seven or eight stars in the sky, and at two or three o'clock in front of the rainy mountain, there are eight or eight thousand miles of clouds and moons when the old Maodian Shelinbian Road turns to the stream bridge. Don't wait, grow old together, sad. On the third night of September, the dew is like a pearl and the moon is like a bow.
10 Ten years of life and death are boundless, thoughtless and unforgettable. 1 1. The dangerous building is hundreds of feet high, and you can pick the stars with your hands.
12. One hundred mountains have no birds, and one thousand roads have no footprints. 13. Fighting for 100,000 heads will save Gan Li Kun.
14. How can it be converted into hundreds of billions, and a tree blooms before a plum blossom? 1. Although my body doesn't have the wings like a bright phoenix, I can feel the harmonious heartbeat of the sacred unicorn-Two Untitled Poems by Tang Shangyin. 2. Jiangling thousands of miles away, thousands of miles away-Tang Libai's "Arriving at Baidicheng Early". 3. I know where the two brothers climbed, and one person is missing every time.
-"Mountain Holiday Thinking of Shandong Brothers" Tang-2-1. Stop and sit in the maple forest late, and the frost leaves are red in February. -"Mountain Walk" Tang Du Mu 2. The east wind is inconvenient for Zhou Lang, and the bronze finches lock Er Qiao in spring. -"Red Cliff" Tang Du Mu 3. Three mountains and a half fall outside the blue sky, just like this Egret Island divides the river.
-"On Climbing Nanjing to Phoenix Terrace" Tang Libai-1. Flying down three thousands of feet, it is suspected that the Milky Way has set for nine days. -"Looking at Lushan Waterfall" Don Li Bai 2. But how much love there is in an inch of long grass, and it returns three spring rays.
-"Ode to a Wanderer" Tang Mengjiao 3. After three months of war, a piece of news from home is worth a ton of gold. -"Spring Hope" Tang Du Fu-1. In April, the peach blossoms in the temple began to bloom.
-"Peach Blossom in Dalin Temple" Tang Bai Juyi 2. Wen Dao Mei has a small snowstorm drifting over four mountains. -"Plum Blossom" song. Lu you 3. After all, in mid-June, the scenery of the West Lake is different from that at four o'clock.
Across the wall of Sanqin, across a layer of fog, across a river. -"into the biography of Shu" Tang. Wang Bo II. The Jade Emperor plays the Yellow Crane Tower, and plum blossoms fall in Jiangcheng in May.
-"Listening to Xiao with Qin Lang on the Yellow Crane Tower in History" Tang Libai 3. Don't blame me for being happy but disappointed. The whole family wants to go to the five lakes boat. -"Bi Xun Banquet has a bosom friend" After Tang Cao Ye's farewell, the two places only had a brief encounter in March and April. Who knows that in five or six years, the lyre was unintentionally played, the eight-character book could not be passed down, the nine-chain was interrupted, and the Shili Pavilion was worn urgently, so it was helpless and resentful.
4. What poems describe enthusiasm? 1. Our passion is actually like a phoenix in fire. When the old one is incinerated, the new one is born in the ashes immediately-gold.
2. Enthusiasm often turns the smartest person into a madman, and at the same time, it can also turn the stupidest person into a smart one-La Rochev.
3, people should have passion, but also have the ability to control passion-Bohr.
4, passion, this is the wind full of sails. The wind sometimes blows away the sails; But without the wind, sailboats can't sail-Tagore
The best thing that history gives us is the enthusiasm it arouses.
1, Goethe:
Johann wolfgang von goethe (1August 28th, 749-1March 22nd, 832), born in Frankfurt am Main, is a famous German thinker, writer and scientist. He is the most famous representative of Weimar classicism. As the creator of poetry, drama and prose, he is one of the greatest writers in Germany and an outstanding and brilliant figure in the field of world literature. 1773, he wrote a play "Gotz von Berlichenken", which was famous in German literature. Young Werther was published on 1774, which made him famous.
2. La Rochev Section:
Francois de laroche Foucault 16 13 was born in Paris on September 5th. He is descended from one of the oldest families in France (some people think this family is related to the French king who ruled for 420 years). His father is the governor of poitou Province, and he is highly valued by Li Sailiu. 1622, Count Foucault of laroche was promoted to Duke, which was the highest title of the kingdom at that time.
3. Bohr:
Niels henrik david bohr (Danish: niels henrik david bohr,1885101October 7-196210/October/kloc-0.
Bohr proposed Bohr model to explain the spectrum of hydrogen atoms by introducing quantization conditions. He proposed complementary principle and Copenhagen explanation to explain quantum mechanics. He was also the founder of Copenhagen School, which had a far-reaching influence on the development of physics in the 20th century.
4.tagore:
Rabindranath Tagore (186 1 year-1941year) is a famous Indian poet, writer, social activist, philosopher and Indian nationalist. 1861On May 7th, Rabindranath Tagore was born into a wealthy aristocratic family in Kolkata. 19 13 years, together with gitanjali, he became the first Asian to win the Nobel Prize in Literature. His poems contain profound religious and philosophical views, and Tagore's poems enjoy epic status in India, such as Gitanjaly, Birds, Sand in the Eyes, Four Men, Family and the World, Gardeners Collection, New Moon, The Last Poetry, Gora and Crisis of Civilization.
5. What are the poems about clear sky?
1 Clouds in the clear sky and poems in the blue night —— On Liu Yuxi's Autumn Poems
2. In summer, the courtyard is deep and pomegranate flowers are full of curtains. The dense shade cut off the heat. It was at noon when I woke up and heard the intermittent chirping of orioles. -"Summer Meaning" by Su Shunqin, a poet in the Song Dynasty.
3. Liu Yuxi in Tang Dynasty
Since ancient times, I feel sad and lonely every autumn. I think autumn is more than spring. There is no one in the clear sky in Wan Li, and a crane, Ling Yunfei, has aroused my meditation on the blue sky.
4. The Song Dynasty poet Su Shunqin's "Summer Meaning"
Quiet and quiet small yard, I lay on a bamboo mat, cool all over; Pomegranate flowers in full bloom outside the window, through the hanging bamboo curtain, reflected Hong Ying. It's noon now, under the shade of trees all over the ground, when I dream of a warbler, I make a sound.
5. The Tang Dynasty poet's masterpiece "Summer in the Mountain Pavilion".
The trees grow dark in summer, the balcony reflects the pond, the water curtain is blowing gently, and the roses are full of fragrance.
1. Liu Yuxi (772-842), born in Luoyang (now Henan), was a writer, philosopher and politician in the Tang Dynasty.
2. Su Shunqin (1008-1048) was born in Kaifeng (now Henan), and his great-grandfather moved to Kaifeng (now Henan) from Tongshan, Zizhou. Song Renzong was a scholar in the first year of Jingyou (1035).
6. The poem about Kang Youwei of Putuo Mountain is "Guanyin refused to go for a while, and the sea mountain flooded Putuo. There are 200 halls up and down the pavilion, and the waves are roaring. " This poem praises the scenery of Mount Putuo. .
A leaf flies from the lotus seat to help all beings leave the sea of suffering as soon as possible;
A few drops of nectar were scattered in the willow bottle. May disciples spread the word of Fukuda.
-(Shuntian South Road Pavilion, Geng Yun, Li Tongzhi, a local resident of Daxing County)
In the deep sky, the lotus at four o'clock is like the sea;
For rain, everything is spring when the branches of poplars are sprinkled.
-(Song Mountain poem inscribed by Emperor Kangxi of Qing Dynasty)
Seven laws
Under the mountain forest, the velvet path turns deeper, and the green hills look for themselves.
There is no place to leave pine shadows in the stone hall, and the water in the cave contains clouds.
Autumn is getting higher and higher, and jade is flat and heavy at dusk.
If you lean on the frequency shift seat, you will come again and again.
-(Sun Chengshu, the magistrate of Jinzhou)
Seven laws
Spring was robbed twice, and the blood of Bixueshan Spring was stained with blood.
Jade bottle holy water turned into waves, and grievances turned into clouds.
Under the cliff of compassion, the soul returned to the purple bamboo forest in the South China Sea.
In the blink of an eye, there is a bright moon on the mountain gate.
-Jinzhou magistrate Zhang did not miss the past.
You Guanyin cave
Tongzhi Jiazi Xia Xie travels at a rate of topic slang sentence 15 years old, full of dust, memory engraved on a stone to record ambition.
The cave is old and foggy, and several immortals have lived there.
The clouds are busy making rain in the cave, and the dead trees on the cliff are in bloom.
Wine * * * drink a cup of moon, poetry and grass weave cage wall yarn.
Looking at the highest peak of independence, the vast sea is boundless.
—— Li Pengyuan, a member of the magistrate of Zhili Prefecture, Shenzhou
Spend the night in Guanyin cave
Fu Jian revisited the Poetry League, and the busy monk greeted him with a smile.
Zuiyan sees the small world, and lofty sentiments overwhelm the mountains.
The cliff in the air leans against the clouds, and the cold spring on the stone swallows the moon.
Why do you need to win over Mishima? The world has its own little Peng Ying.
Secondly,
Vibration clothes are high on the jade top, and people are suspicious of feather fairy.
Cliff snow is thin and bones are healthy, and cave clouds are cool and fragrant.
An empty pool cold prints a moon, and steep rocks hold up half the sky alone.
Don't scratch your head and ask the blue sky, lest the stars fall in front of the rocks.
You Guanyin cave
Towering pavilions descend from the sky and grow with the columns.
The sky is blue and the pine shadows in the window are cool.
The ancient trees are green, the clouds are lingering, and the dangerous buildings are leaning against the sunset.
When you get off the road in the middle of the mountain pavilion, the clouds are gloomy and gloomy.