disproportionate

"You must do your homework before you can watch television."

"Each student was allotted ten minutes to present their project. "

"He is a student of life."

"The completion of the project meant we could finally take a break. "

"The train slowly underwent the tunnel. "

"The teacher proportionately adjusted the difficulty of the exam to the students' abilities. "

"The silver tarnish cleaner uses disproportionation to convert silver sulfide (Ag₂S) back into metallic silver (Ag) and silver sulfate (Ag₂SO₄), where some silver atoms gain electrons and some lose electrons at the same time. "

""She helped me with my homework, and I helped others with theirs." "

"to assign a day for trial"

"The unstable copper ions in the solution disproportionated, resulting in some becoming copper metal and others becoming copper ions with a higher charge. "

"The amount of atmospheric pollution threatens a health crisis."

"The proportion of students who chose math as their favorite subject was quite high. "