Nung 300 kg đá vôi thì thu được vôi sống, biết hiệu suất pư là 90%.
a. Viết PTHH cho pư?
b. Tính khối lượng vôi sống thu được?
c. Tính khối lượng khí CO2sinh ra?

1.after/she/kiss/frog/he/immediately/turn/handsome,prince.

2.Cinderella/cry/when/fairy/appear/help/her.

3.Hare/take,nap/when/he/suddenly/wake up/find/Tortoise/be/going/win.

4.princess/sleep/one hundred years/until/price/arrive/castle.

5.When/Snow White/cook/woman/knock/door.

Jacob Grimm (1)...... born in January 1785 and his brother was born in February 1786 in Germany.Their father was a lawyer,and they (2).... six more brothers and one sister.In 1802, Jacob(3)....... to university to study law at the University of Marburg.As always,his little brother followed him,and entered law school (4)........... 1803.During their university years they began to collect folk and fairy tales.Folklore is stories that have been passed down from parents to children, by(5)...... of mouth,but at that time many had not been published in books.The Grimms were especially interested (6)....... stories that included Germany and German culture.Jacob and Wihelm published their first book of fairy tales -"Children's and Household Tales"-in 1812.There (7) ........... 86 folktales.Readers were so happy to see the stories they had been(8)..... as children all collected together.Therefore,the book was a success.In the next volume of"Grimm's Fairy Tales",the brothers added 70 more stories.It went on growing like this for six more editions.Finally,the book contained over 200(9).......! It is probably the best-known work of German literature.Even if you don't know the Brothers Grimm, you definitely(10)..... a Grimm fairy tale.