Which of the following reactions shows a double replacement reaction for cabr2 reacting with na2s?

cabr2 + 2na2s -> 2nasbr + ca

cabr2 + o2 + na2s -> cao2 + 2nabr + h2s

cabr2 + na2s -> 2nabr + cas

cabr2 + na2s -> 2casbr +2na

Select the correct answer from each drop-down menu. daniel and sanya are scientists. daniel is studying whether the increasing frequency of tropical storms is affecting coastal erosion. sanya is investigating whether the discharge from industrial plants has any impact on the ph concentration of freshwater swamps in the surrounding area. which fields of science are daniel’s and sanya’s studies most closely related to? daniel’s field of study is related to science, and sanya’s field of study is related to .

The p sub shell can hold up to 8 electrons in an atom. true or false?

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume