PLZ HELP; Write the correct sign of ΔH system for each of the following changes in physical state. a. C2H5OH(s) C2H5OH(1)

b. H2O(g) H2O(1)

c. CH3OH(1) CH3OH(g)

d. NH3(1) NH3(s)

What is the most stable monatomic ion formed from nitrogen

In an effort to address concerns about global warming, a power plant in portland,oregon is designed to take all of its exhaust gases from its boilers and recycle the co2 using the solvay process to make sodium hydrogen carbonate. the reaction is shown below. nh3(g) + h2o(l) + co2(g) + nacl(aq) → nahco3(aq) + nh4cl(aq) how many liters each of nh3 and co2 (both at stp) would be consumed to produce 3.00 kg of sodium bicarbonate? the volume of both nh3 and co2 would be

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?