Asample of ideal gas is in a sealed container. the pressure of the gas is 505torr, and the temperature is 43 degree celsius. if the temperature changes to 93 degree celsius with no change in volume or amount of gas, what is the new pressure, p2, of the gas inside the container?

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?