PLEASE HELP DUE IN 4 mins What is the missing value for the unknown variable n for the combustion equation?
C. H10 +n 02 → 2 CO2 +n H2O + CO+C
4
3
5
2

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o

0.88 moles of n2o5 (g) was placed in a sealed 1.00 l vessel. calculate the equilibrium concentration of n2o5. no2, and o2 and the equilibrium constant after equilibrium has been reached by 65.0% of the n2o5 decomposing.