Lab Solubility Student Guide (NEED ANSWERS ASAP)

Has anyone done the lab for chemistry in Edu

How have the greenhouse gasses increased from the year 2000 to 2018

Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?