2SO2(g) + O2(g) ---> 2SO3(g) How many moles of SO2 are needed to form 2.4 mol of SO3?
How many moles of O2 are needed to completely react with 3.6 mol of SO2?
Explain the difference between theoretical yield and actual yield.

How much energy moves onto the next level, in an energy pyramid

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal