A hydrate of sodium thiosulphate (Na2S2O3 . xH2O) contains 18.52% Na by mass. Find the value of x.

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

(04.05 hc) analyze the given diagram of the carbon cycle below. part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.