What is the name for these alkenes ?

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution