What is C3H8(g) + 5O2(g) as a hydrocarbon reaction

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

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%

What must occur for air masses to form fronts