The student added sodium hydroxide solution to: • copper sulfate solution
• calcium iodide solution.
Give the results of the tests.

Copper sulfate solution ( )
Calcium iodide solution ( )

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.