Most types of commercial flour are sifted
before they are packaged and sold in the
store. What effect do you think this has
on the quality of the flour?

1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~