Is 1170 kJ + 4 NO(g) + 6 H2 O(l) → 4 NH3 (g) + 5 O2 (g) endothermic or exothermic

Iwll give extra points to who gets this for ! what type of reaction is this? ?

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211