Đốt cháy một lượng amin đơn chức A bằng O2 vừa đủ. Sản phẩm cháy cho qua bình nước vôi trong dư thâý có 1,12 lít khí (đktc) thoát ra khỏi bình, trong bình xuất hiện 10 gam kết tủa. A có công thức phân tử là?

Which statement best describes the flow of energy in this scenario

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?