chia 4,48 gam hỗn hợp gồm Cu và Fe2 O3 thành hai phần bằng nhau Phần 1 cho vào dung dịch HNO3 dư thu được 4,48 ml khí NO2 phần 2 cho vào 0,6 lít dung dịch HCl 1M thu được dung dịch a a viết phương trình hóa học các phản ứng xảy ra B Tính nồng độ mol của các chất trong dung dịch A

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

In which of these cases are the two wave points considered to be in phase with each other?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.