Which type of Electromagnetic wave has wavelength similar to the size of a 1 Peso coin

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

How many moles are in 1.26*10^24 particles in significant figures

What happens to the glucose molecule during the process of cellular respiration? (5 points) select one: a. it gets broken down. b. it forms oxygen. c. it builds muscles. d. it uses up energy.