Several narrow linear bloodstain patterns are found on a wall adjacent to one where a body was found the droplets were elongated and about 1-4 mm in diameter which weapon most likely caused this blood spatter pattern

a) brass knckles on a fist
b) shotgun
c) baseball bat
d) knife

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?