hauj lwm:
General Chemistry yog ib chav kawm yooj yim rau ntau yam ntawm cov tub ntxhais kawm los ntawm ntau yam kev tshawb fawb thiab engineering. Hoob no yog tsim los pab koj kom nkag siab txog cov ntsiab lus tseem ceeb tshaj plaws hauv chemistry uas koj yuav tsum paub kom ua tau zoo hauv koj cov kev xeem thiab cov chav kawm. Thaum kawg ntawm chav kawm koj ...