a horde of zombies is heading south at 67.8 km/hour. Your school is 55,241 meters South of the horde. How many minutes warning do you have?

Fossil fuels are organic compounds that are made from

Heat is the total potential energy of a substance that can be transferred. true false

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: