iodine 131 decays with s half life 8.02 day in a sample initially containing 5 mg of I131 what mass remains after 6.01 day

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%