Cho 0,1 mol Glixin, tác dụng hoàn toàn dung dịch chứa 0,15 mol NaOH thu được dung dịch Y. Cho Y tác dụng vừa đủ với dung dịch chứa x mol HCl thu được dung dịch Z. Cô cạn Z thu được m (g) muối khan. Tinh x và m.

Phân tử của hợp chất X gồm: 2 nguyê

Exercise 1: Rewrite the following sentences using Reported speech
1."Do you enjoy yourself?''
He wanted to know ……………………………………………………………………
2. ''What's the weather like?''
She asked me ……………………………………………………………………
3.''Does Ann always go to the church on Sundays?''
He wondered …………………………………………………...................................

4.''What does Frank do for living?''
I wanted to know ……………………………………………………………………
5.''Have you seen John recently?''
She asked me ……………………………………………………………………
6.''Has Debbie been working here long?''
He wanted to know ……………………………………………………………………

Hai nguồn sóng giống nhau A,B cách nhau 10cm có phương trình u = 4cos.20.pi.t (cm) . Tốc độ truyền sóng là 10cm/s. Điểm M thuộc đoạn AB và cách A 3cm . Giữa M và O có mấy điểm dao động với biên độ 8cm ?

https://www.google.fr/search?q=2+ngu%E1%BB%93n+s%C3%B3ng+gi%E1%BB%91ng+r+s%C3%B3ng+gi%E1%BB%91ng+nhau+a,b+c%C3%A1ch+nhau+10cm+c%C3%B3+ph%C6%B0%C6%A1ng+tr%C3%ACnh+u%3D4c%C3%B3+junt+t%E1%BB%91c+%C4%91%E1%BB%99+truy%E1%BB%81n+somg+l%C3%A0+10cm+tr%C3%AAn+gi%C3%A2y+%C4%91i%E1%BB%83m+m+thu%E1%BB%99c+%C4%91o%E1%BA%A1n+ab+v%C3%A0+c%C3%A1ch+a+3cm+gi%E1%BB%AFa+m+v%C3%A0+o+c%C3%B3+m%E1%BA%A5y+%C4%91i%E1%BB%83m+giao+%C4%91%E1%BB%99ng+v%E1%BB%9Bi+bi%C3%AAn+%C4%91%E1%BB%99+8cm&client=safari&hl=vi&prmd=vinx&source=lnms&sa=X&ved=0ahUKEwiwj_aJ093zAhVCL6YKHQ_AUIEygA&biw=414&bih=622&dpr=3#ip=1

1. Tom asked me: "Did you watch TV yesterday?" ……………………………………………………………………………. 2. Lan asked Nam: "Will you visit your grandmother next weekend?" ……………………………………………………………………………. 3. Minh said to Hoa: "Do you like my hat?" ……………………………………………………………………………. 4. My mother asked me: "Where do you play football today?" ……………………………………………………………………………. 5. I asked Nga: "Why didn't you come to my party last night?" ……………………………………………………………………………. 6. The teacher said to Peter: “How many people are there in your family?” ……………………………………………………………………………

1. Tom asked me: "Did you watch TV yesterday?" ……………………………………………………………………………. 2. Lan asked Nam: "Will you visit your grandmother next weekend?" ……………………………………………………………………………. 3. Minh said to Hoa: "Do you like my hat?" ……………………………………………………………………………. 4. My mother asked me: "Where do you play football today?" ……………………………………………………………………………. 5. I asked Nga: "Why didn't you come to my party last night?" ……………………………………………………………………………. 6. The teacher said to Peter: “How many people are there in your family?” ……………………………………………………………………………