1. What causes Brownian motion?
2. What was Brown's initial observation? How did Einstein help explain this observation?
3. Explain how an increase in temperature affects Brownian motion.
4. Describe the relationship between temperature and the rate of chemical reactions in a living organism.
Answer (2)
Brownian motion is caused by the random collisions of particles in a fluid, first observed by Robert Brown. Albert Einstein explained this phenomenon by linking it to molecular movement, which increases with temperature, thereby affecting the rate of chemical reactions in organisms. Higher temperatures enhance molecular motion, which can increase reaction rates but may also disrupt biological functions if excessively high. ;
Brownian motion is caused by the random collisions of fluid molecules with suspended particles, first observed by Robert Brown. Einstein explained this by linking particle motion to molecular movement, which increases with temperature, hence affecting reaction rates in organisms. Higher temperatures typically enhance molecular motion, speeding up reactions but may disrupt cellular functions if too high.
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