Agas sample at 45 c has a pressure of 123 kpa. if the gas is cooled to 30 c, what is the new pressure?

What does the symbol (–hfus) indicate in a phase change?

What is the correct lewis dot structure for arsenic?

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.