The temperature of a sample of iron with a mass of 20.0 grams changed from 60.0ºc to 35.0ºc. how many joules of heat were released?

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

What is the common name for the compound shown here? enter the common name of the compound shown?

Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction