if a gas under 2,39.4 Kpa of pressure has volume of 13L at 50 c and the temperature is decreased to -20 c while its pressure decreases to 220.3 Kpa What is the new volume ? HELP ME PLEASE WITH EXPLANATION ("LIKE SHOWIG WORK") 20 POINTS ? THIS IS HW BY THE WAY AS SOON AS POSIBLE

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.

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium

The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?