Which of the following is not a correct chemical equation for a double displacement reaction? (d? )

2hno3 + mg(oh)2 yields 2h2o + mg(no3)2

h3po4 + 3naf yields 3hf + na3po4

2kno2 + baso4 yields k2so4 + ba(no2)2

4nabr + co(so3)2 yields br2so3 + cona4

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

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99

You dissolve 8.65 grams of lead(l) nitrate in water and then you add 2 50 grams of aluminum. this reaction occurs 2ai(s)+ 3pb(no3)2(aq) -3pb(s)+ 2aino3la(aq) the theoretical yield of solid lead?