Achange that occurs when a substance changes composition by forming one or more new substances

Figure 10-1 study figure 10-1. the strong nuclear force felt by a single proton in a large nucleus

I’m an electrically neutral atomic any element, there are equal numbers of

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ