Предмет: Химия, автор: renatazzz

Визначте обьем водню,який видилится при взаемодии 7,2 г магнию з сульфатной кислотою

Ответы

Автор ответа: Potassium
0
Mg + H2SO4 = MgSO4 + H2

7.2/24 = x/22.4;

x = (7.2*22.4)/24 = 6.72 л
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2. Fill in the gaps.

0. Kevin often plays football. (play)

1. Peter ______________________volleyball at the moment. (play)

2. Trevor often ______________ in the RAP office on Saturdays. (work)

3. Today is Friday and she _____________________ in the office. (work)

4. We usually ______________ summer holidays at the seaside. (spend)

5. Now they ____________________an interesting film. (watch)




3. Fill in the gaps with articles where necessary.

______(1) United Kingdom of ____(2) Great Britain and Northern Ireland is situated on _____ (3) British Isles. Its capital is ___(4) London, one of the most exciting cities in ____(5) Europe. The Buckingham Palace, the Tower, the British Museum and _____(6) Trafalgar Square are visited by tourists every year.

4.Read Trevor’s postcard to his Russian friend Vera and fill in the information table about Trevor.




22/11/16
Dear Vera,

I’m spending the weekend in Snowdonia National Park with my mum and dad.

Today the weather is sunny and warm, but yesterday it was awful!

It was cold and foggy. We were at the seaside yesterday. This morning at ten o’clock I was on Mount Snowdon and this afternoon I was in the swimming pool at our hotel. Fantastic!

See you soon,

Trevor

Information table




London

The weather today

Cold and rainy

The weather yesterday

Sunny and warm

Yesterday

At the British Museum

This morning

In Hyde Park

This afternoon

At the Buckingham Palace




5. Read the information about Vera in the table and write a postcard to Trevor about her trip to London.




___________

_____________________________

______________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

___________________________

___________________________




2. Fill in the gaps.

0. Kevin often plays football. (play)

1. Peter ______________________volleyball at the moment. (play)

2. Trevor often ______________ in the RAP office on Saturdays. (work)

3. Today is Friday and she _____________________ in the office. (work)

4. We usually ______________ summer holidays at the seaside. (spend)

5. Now they ____________________an interesting film. (watch)




3. Fill in the gaps with articles where necessary.

______(1) United Kingdom of ____(2) Great Britain and Northern Ireland is situated on _____ (3) British Isles. Its capital is ___(4) London, one of the most exciting cities in ____(5) Europe. The Buckingham Palace, the Tower, the British Museum and _____(6) Trafalgar Square are visited by tourists every year.

4.Read Trevor’s postcard to his Russian friend Vera and fill in the information table about Trevor.




22/11/16
Dear Vera,

I’m spending the weekend in Snowdonia National Park with my mum and dad.

Today the weather is sunny and warm, but yesterday it was awful!

It was cold and foggy. We were at the seaside yesterday. This morning at ten o’clock I was on Mount Snowdon and this afternoon I was in the swimming pool at our hotel. Fantastic!

See you soon,

Trevor

Information table




London

The weather today

Cold and rainy

The weather yesterday

Sunny and warm

Yesterday

At the British Museum

This morning

In Hyde Park

This afternoon

At the Buckingham Palace




5. Read the information about Vera in the table and write a postcard to Trevor about her trip to London.




___________

_____________________________

______________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

___________________________

___________________________
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