题目内容

In the various measures to eliminate international double taxation, which of the following cannot address international double taxation completely ( )

A. Direct limit tax credit
B. Tax exemption method
C. Sparing credit
D. Indirect limit tax credit

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The international securities issuance model has ( )

A. Cross-border Direct Issuance
B. Depositary receipt
C. Agreement control
D. Cross-border reverse takeover

Which acid has the largest Ka : HClO2 (aq), HBrO2 (aq), or HIO2 (aq)?

A. HClO2 (aq)
B. HBrO2 (aq)
C. HIO2 (aq)
D. All three acids have the same Ka

Consider the given acid ionization constants. Identify the strongest conjugate base. ( d )Acid KaHNO2 (aq) 4.6 ´ 10-4HCHO2 (aq) 1.8 ´ 10-4HClO (aq) 2.9 ´ 10-8HCN (aq) 4.9 ´ 10-10

A. NO2- (aq)
B. CHO2- (aq)
ClO- (aq)
D. CN- (aq)

Use the data below to find the equilibrium constant (Kc ) for the reaction: A (g) ® 2B (g) + C (g). A (g) ® 2X (g) + C (g) Kc = 1.55B (g) ® X (g) Kc = 25.2

A. 984
B. 26.8
C. 6.10 ´ 10-4
D. 2.44 ´ 10-3

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