as a purchasing agent for a pharmaceutical company, you need to determine the amount of platinum in grams that is needed to produce one kilogram (1.00 × 103 g) of cisplatin, which is an anticancer drug. the chemical formula for cisplatin is ptcl2(nh3)2, and its molar mass is 301 g/mol. the atomic mass of pt is 195 g/mol.

Registrars maintain high a. standardized tests b. faculty payrolls c. transcripts d. sporting facilities

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome