Need answers. im a student and struggling. some of the acid in acid rain is produced by the following reaction:
3no2(g) + h20(l)
► 2hno3(aq) + no(g)
if a falling raindrop weighing 0.036 g comes into contact with 6.6 mg of no2(g), how many milligrams of hno3 can be produced?

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion