Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of Pb and H+ in the balanced reaction? Pb2+(aq) + NH4+(aq) --> Pb(s) + NO3-(aq)

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

One similarity and one difference between an element and a mixture of elements

Watch the video to learn about the process of hydrogen bonding. hydrogen bonding is a type of intermolecular force that exists between polar covalent molecules, one of which has a hydrogen atom that is bonded to a small and extremely electronegative element, specifically an n, o, or f atom, on the other molecule. hydrogen bonding is a subset of dipole-dipole forces.