In a reaction, 224 g of iron (Fe) are available that react completely with 96 g of oxygen gas (O2) to form iron trioxide
(Fe2O3). If 190 g of iron is available: a) how many grams of oxygen are
necessary. b) How many grams of iron trioxide are formed?​

iron and sleel

make siroeel

if you're asking what comes out, it's steam.

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.