Reaction rate

Consider the following data for the reaction:

A+2B → C+D

Deduce the order of reaction with respect to A and with respect to B

• A is first order and B is second order.

• A is second order and B is first order.

• A is first order and B is first order.

• A is second order and B is second order.

Tags

NGSS.HS-PS1-5

Consider the following data for the reaction:

A+2B → C+D

What is the overall order of reaction?

•    0

    

• 1

• 2

• 3

Tags

NGSS.HS-PS1-5

Consider the following data for the reaction:

A+2B → C+D

Work out a value for the rate constant of this reaction with units.

• 10 mol-2dm6s-1

• 10 mol-dm3s-1

• 5 mol-2dm6s-1

• 5 mol-dm3s-1

Tags

NGSS.HS-PS1-5

Consider the following data for the reaction:

A+2B → C+D

What will be the rate of reaction when the concentration of A is 0.100moldm−3 and that of B is 0.0500moldm−3?

• 1x10-3moldm-3s-1

   

• 2.5x10-3moldm-3s-1

• 5x10-3moldm-3s-1

• 7.5x10-3moldm-3s-1

Tags

NGSS.HS-PS1-5

Consider the following data for the reaction:

2X+4Y → Q+2R

Write the rate equation for this reaction.

 

• Rate = k

• Rate = k[X]

• Rate = k[X][Y]

• Rate = k[Y]

Tags

NGSS.HS-PS1-5

Consider the following data for the reaction:

2X+4Y → Q+2R

Calculate a value for the rate constant from these data.

• K=1.96

• K=2.96

• K=3.96

• K=4.96

Tags

NGSS.HS-PS1-5

Consider the following data for the reaction:

2X+4Y → Q+2R

What are the units of the rate constant?

   

• Moldm-3

• Mol-1dm3

• Mol-1s-1

• Mol-1dm3s-1

Tags

NGSS.HS-PS1-5

A reaction is zero order with respect to P and second order with respect to Q. What would be the effect of doubling the concentration of P and the concentration of Q on the overall rate of reaction?

 

 

• Constant

• The rate of reaction would be Double

• The rate of reaction would be Triple

• The rate of reaction would be quadrupled

Tags

NGSS.HS-PS1-5

Bromine and nitrogen(II) oxide react according to the following equation.

Br2(g) + 2NO (g) - 2NOBr(g)

Which rate equation is consistent with the experimental data?

• rate = k[Br2 ]2[NO]

   

• rate = k[Br2] [NO]2

• rate= k[Br2 ]2

• rate= k[NO ]2

Tags

NGSS.HS-PS1-5

The rate information below was obtained for the following reaction at a constant temperature

2NO2(g) + F2(g) -> 2NO2F(g)

What are the orders of the reaction with respect to N02 and F2?

• NO2 is first order and F2 is second order.

• N02 is second order and F2 is first order.

• NO2is first order and F2 is first order.

• NO2 is second order and F2 is zero order.

Tags

NGSS.HS-PS1-5