what would be the major organic product if ch3ch2chohch2ch3 were to react with a solution of k2cr2o7?

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

Idont know. if you want an answer you need to give us some context dude.

Aseasonal prevailing wind in the region of south and southeast asia, blowing from the southwest between may and september and bringing rain (the wet monsoon ), or from the northeast between october and april (the dry monsoon ).

Answercan utilize even low wind speed to produce electricity;