Lead nitrate undergoes thermal decomposition according the following reaction.2Pb(NO3)2 (s) ⟶ 2PbO (s) + 4NO2 (g) + O2 (g) ΔH = 608 kJWhat is the ΔH for the reaction:6Pb(NO3)2 (s) ⟶ 6PbO (s) + 12NO2 (g) + 3O2 (g) ΔH=? kJ

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

Define dew point. i am writing this part to be able to ask the question

Which terms are used to identify pure substances