Why is heat often added to chemical reactions performed in the laboratory?
A) to allow a greater number of reactants to pass over the activation energy
B) to increase the rate at which reactant collide
C) to compensate for the natural tendency of energy to disperse
D) all of the above
D
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In coastal regions with excessive groundwater pumping, denser salt water from the ocean seeps inland to replace freshwater withdrawn from the zone of saturation
a. True b. False Indicate whether the statement is true or false
Unusually strong monsoonal flow has been linked to La Niña
Indicate whether the statement is true or false
The salinity of a water sample can be determined by multiplying its ________ by 1.80655.
Fill in the blank(s) with the appropriate word(s).
What is the most densely settled island of Indonesia?
A) Luzon
B) Borneo
C) Bali
D) Java
E) Sumatra