Uranium-238 has a half-life of 4.46 billion years and is often analyzed
through radiometric dating to find the ages of rocks. U-238 decays in
a series that can be summarized by the equation shown below.
238 206 4 0
92.U 82 Pb + x He+ye
How many alpha particles, x, and how many beta particles, y, are
needed to balance the nuclear equation?
Select one
X = 8: y = 6
O
X = 4, y = 16
X = 5: y = 32
O
X = 16; y = 22

What produces wave a)sound b) heats c)transfer of energy d)vibrations

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 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