Why is heat often added to chemical reactions performed in the laboratory?
A. to increase the rate at which reactant collide
B. to allow a greater number of reactants to pass over the activation energy
C. to compensate for the natural tendency of energy to disperse
D. all of the above
Answer: D
You might also like to view...
What is the name given to Earth's cool, rigid outer layer based on physical properties?
a. Asthenosphere b. Core c. Lithosphere d. Troposphere
Which biome is characterized by an extensive canopy that allows little light to penetrate to the ground and by the presence of epiphytes?
a. temperate grassland b. coniferous forest c. tropical rain forest d. desert e. tundra
Thermistors are electrical thermometers commonly used in radiosondes
Indicate whether the statement is true or false
How does frost form?
What will be an ideal response?