The rate of reaction for the decomposition of hydrogen peroxide to yield water and oxygen is given by the equation: Rate = k[H2O2]. Which of the following is indicated by this equation?
A) The rate of the reaction is unaffected by the concentration of H2O2.
B) The rate of the reaction will increase with increasing concentration of H2O2.
C) The rate of the reaction will decrease with increasing concentration of H2O2.
D) none of these
B
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In general, compared with soils on gentle slopes, soils on steep slopes will tend to be
A) better developed. B) more clayey. C) more easily eroded. D) more acidic.
What is involved in mariculture production of species? Are mariculture productions only for producing
the species as food? If not, what other reasons are there for mariculture? What will be an ideal response?
Which of the following hazards can be caused by volcanic eruptions?
a. Tsunamis that can wash away coastal towns b. Landslides and Lahars that can bury the land surface c. Lava flow overrunning roads and towns, and ash falls that can blanket the landscape d. All of the above e. Both a and c