What is similar between emission like spectrum and absorption line spectrum?

How many atoms of oxygen are contained in 160 grams of n2o3

One or more substances changing into one or more substances is an example of a

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)