If 250(ft)3(s)-1 of air at 122(°f) and approximately atmospheric pressure is preheated for a combustion process to 932(°f), what rate of heat transfer is required?

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these