As the energy needed to increase it's temperature must be supplied from somewhere, the gas takes the energy from the surrounding system giving the effect of cooling.
Explanation:
All three states of matter (solid, liquid and gas) expand when heated.In a free expansion, gas is allowed to expand into a vacuum. This happens quickly, so there is no heat transferred. No work is done, because the gas does not displace anything.
Manifest Destiny represents the belief used to justify the westward expansion of America's borders in the 1800s. Manifest Destiny helped create a western settlement and war with Mexico
The Crown of Castille was seeking for an alternative commercial route that would connect them to Far East Asia. The Expedition to the Americas was in fact, an expedition to find this route.
The Crown of Castille was promised by Columbus that he would conquer the lands he discovered in the name of that Crown. This was highly appealing to the Royal Couple as many riches could be located in these soon to be found territories.
