Nguyên tử X có tổng số proton, nơtron, electron là 116 trong đó số hạt mang điện nhiều hơn số hạt không mang điện là 24.Xác định số hạt từng loại từ đó xác định tên nguyên tố và nguyên tử khối mong m. người giúp đỡ mik đang cần gấp cảm ơn m. n

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted