De Thi + Dap an Giai Toan Hoa Hoc Tren May Tinh Casio

5730

0,639

t

ln2

2

1

�

4029,90,639

5730

N

Nln

k

1

t

0��

0YX

19,181

1

2,392

16

57,482

24

7,181

23

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ĐỀ THI KHU VỰC GIẢI TOÁN THPT TRÊN MÁY TÍNH CẦM TAY NĂM 2008

A B

CD

aE

D C

A B

E

2

18

1��

32

1��

2

A1,284

2

r4Cu

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A2,562

2a

2

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23

25,858 0,74

6,02 10

�

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34r

3� �

40,08

1,55

33V

4�

23

33 3,18 10

4 3,14

�

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�

2 2 0

1 12 2 cos60� � � 3

2 2 0

1 12 2 cos120� � �

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)10(3,62106,022

644

v

m

3823

�

����

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3

w

a

K

K

14

5

10

6,29 10

�

�

�

1410

OH

�

�

� �� �

� 6 5

6 5

C H COOH OH

C H COO

�

�

� �� �

� �� �

14

6 5

10OH OH

OH

C H COO

�

� �

�

�

�

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� �� �

214

5

OH 10

2 10 OH

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� �

� � �� �

� �� �� �

2 2

2 2

N N

H H

P n 1

P n 3� �

3

2 2

2NH

3N H

(P )

(P )(P )

2NH3

3N N2 2

(P )

(P )(3P )

3

2

NH

2N

P

(P )�

1

2

6,2

0,2

3n 4

2

�

3m 3

2

�

2

31

3

42214

8,314 298�

2

1

( )

( )

Kp T

Kp T1 2

1 1H

R T T

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77080 1 1

8,314 298 475

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2

1

2ln

tt

N

N

k

0ln

1

O

298H� (Kj / mol)

O

298S (Kj / mol)

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122

1 11

TTR

H

TK

TK

p

p