Besides its use in making black-and-white film, silver nitrate (agno3) is used similarly in forensic science. the nacl left behind in the sweat of a fingerprint is treated with agno3 solution to form agcl. the precipitate is developed to show the black-and-white fingerprint pattern. given δhlattice of agno3 = 822 kj/mol and δhhydr = −799 kj/mol, calculate its δhsoln.

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

How many grams of mgbr2 are needed to produce 75g or metal?

Which one of the following substances would be the most soluble in ccl4? na2so4 h2o ch3ch2ch2ch2oh c4h10 hi