The force acting between two charged particles a and b is 5.2 * 10è¢ newtons. charges a and b are 2.4 * 10èæ meters apart. if the charge on particle a is 7.2 * 10è§ coulombs, what is the charge of particle b? (k = 9.0 * 10© newton·metersæ/coulombæ)

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

Word equation for k(s) +h2o(l) yield koh (aq) + h2

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.