1. Write the number of significant digits given in each of the following measured quantities, a. 1.008 g/mol
f. 0.00080 g
b. 6.2402 km/hr
g. 3.5 billion yr
C. 1800 yr
h. $10.89
d. -124.0°C
i. 640.5 acres
e. 453.76 mg/ml
j. 0.2 m

Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback