H_ _ are yo_ today?
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BB
3
9 tháng 6 2017
If you are ill , you may stay here => hospital.
=> NẾU BẠN BỊ ỐM BẠN CÓ THỂ NGỈ NGƠI Ở BỆNH VIỆN.
23 tháng 3 2022
\(n_{H_2}=\dfrac{1,68}{22,4}=0,075mol\)
\(\Rightarrow n_{ancol}=2n_{H_2}=2\cdot0,075=0,15mol\)
\(\Rightarrow M_{ancol}=\dfrac{6,9}{0,15}=46\)
\(\Rightarrow M_1< 46< M_2\)
Mà \(M_{C_3H_7OH}=60\Rightarrow M_2:\)ancol proppylic
\(\Rightarrow M_1\) chỉ có thể là \(CH_3OH\left(32\right)\)
Chọn A
NV
Nguyễn Việt Dũng
CTVVIP
21 tháng 8 2023
1. My new school is HUGE. There are three separate buildings and about eighty classrooms.
2. l read an INCREDIBLE story about a girl who sailed around the world.
3. l love CLASSIC novels like Oliver Twist.
4. He’s a TERRIBLE actor. I don't understand why people like him.
TA
19 tháng 7 2021
Children of all ages dress up in costumes and travel from house to house and say “trick or treat!" on Halloween night.
It's freezing outside and you've got a cold. Wear that shirt I bought for you to keep your neck warm.
He gave his girlfriend chocolate on Valentine day.
You look beautiful with this yellow dress. The colour matches your blond hair too.
Santa Clauses give children a lot of presents on Christmas Eve.
Vietnamese Independence Day is on September 2nd.
How are you today?