题目内容

How many isomers with a molecular formula of C5H8 contain a terminal alkyne? ()

A. 1
B. 2
C. 3
D. 4
E. 5

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How many isomers with a molecular formula of C6H10 contain an internal alkyne? ()

A. 1
B. 2
C. 3
D. 4
E. 5

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What two atomic orbitals or hybrid atomic orbitals overlap to form the carbon-carbon σ bond in ethyne? () A) sp3—sp3

A. p—p C) sp2—sp2
B. s—s
C. sp—sp

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The Gibbs free energy equation models how free energy ΔG ________.( )

A. increases as both Keq and T increase
B. increases most when Keq increases and T decreases
C. increases most when Keq decreases and T increases
D. increases as both Keq and T decrease
E. increases as reactant concentrations increase

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An increase in which of the following results in a decrease in the rate of the chemical reaction? ( )

A. temperature
B. concentration
C. collision frequency
D. energy of activation
E. fraction of collisions with proper orientation

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How many isomers with a molecular formula of C5H8 contain a terminal alkyne? ()

A. 1 B. 2 C. 3 D. 4 E. 5

How many isomers with a molecular formula of C6H10 contain an internal alkyne? ()

What two atomic orbitals or hybrid atomic orbitals overlap to form the carbon-carbon σ bond in ethyne? () A) sp3—sp3

The Gibbs free energy equation models how free energy ΔG ________.( )

An increase in which of the following results in a decrease in the rate of the chemical reaction? ( )

A. 1
B. 2
C. 3
D. 4
E. 5