Acrime scene investigator is called in to evaluate a crime scene. the victim is lying on the floor with no apparent trauma. what pieces of physical evidence found at the crime scene would be most relevant in this case?
a) clothing of the victim
b) call records of the victim
c) empty pill bottles next to the body
d) hair collected from victim's shower

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .