What type of reaction is illustrated?

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Can someone me with 3 and 4 plz. this is for masteries test.