Calculate the ∆h for the following reaction: no + o à no2 you are given these three equations: o2 à 2o ∆h = +495 kj 2o3 à 3o2 ∆h = -427 kj no + o3 à no2 + o2 ∆h = -199 kj

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d. lytic

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?