0.10g of a sample of an alcohol known to contain only cho was allowed to completely teact with oxygen to produce co2 and h20 these products were collected seperately and weighed 0.1910g of co2 and 0.1172g of h2o were found. what is the emprical formula for the alcohol?

Ithinks its false. tell me if im wrong

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.

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.