What is the meaning of NADPH2

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

Find the number of moles of argon in 364g of argon.

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.