Examlex
At 25°C, by what factor is the reaction rate increased by a catalyst that reduces the activation energy of the reaction by 1.00 kJ/mol?
Humans
Homo sapiens, the species of bipedal primates to which all modern human beings belong.
Climate Changes
Long-term alterations in temperature, precipitation, wind patterns, and other aspects of the Earth's climate system.
Human Brain
The central organ of the human nervous system, responsible for processing sensory information, regulating bodily functions, and enabling thought, memory, and emotion.
Memes
Cultural elements that are transmitted by repetition and variation, often through social media and internet platforms.
Q12: Given that the heat of vaporization of
Q16: What phase exists at the point labeled
Q31: The thermal decomposition of acetaldehyde, CH<sub>3</sub>CHO
Q40: For the reaction BrO<sub>3</sub><sup>- </sup>+ 5Br<sup>-</sup>+
Q58: A 9.50 % by mass solution of
Q68: The pH of a sample of river
Q90: Ethanol and dimethyl ether have the same
Q96: The term "proof" is defined as twice
Q113: Indicate all the types of intermolecular forces
Q155: Calculate the pH of a 0.055 M