Examlex
The reaction: 2 HI → H2 + I2,is second order and the rate constant at 800 K is 9.70 × 10-2 M-1 s-1.How long will it take for 8.00 × 10-2 mol/L of HI to decrease to one-fourth of its initial concentration?
Q11: Which of the following is a weak
Q18: For the reaction shown below,if the rate
Q21: How many molecules of N<sub>2</sub> are in
Q35: When a substance melts at its normal
Q82: Assume that you start with a mixture
Q96: Hydrochloric acid in the hydrolysis of an
Q99: K<sub>p</sub> is related to K<sub>c</sub> by the
Q105: Which of the following changes in reaction
Q134: Which of the following substances has the
Q162: At a given temperature the vapor pressures