Đưa một hỗn hợp khí N2 và H2 có tỉ lệ 1:3 vào tháp tổng hợp sau phản ứng thấy thể tích khí đi ra giảm 1/10 so với ban đàu. Thành phần phần trăm và thể tích của hỗn hợ khí sau phản ứng là

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.