How would you prepare a 1L solution of 6.1 M Ca(NO3)2?

What type of electromagnetic radiation has a shorter wavelength than blue light

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.

The point along a planet's orbit where it is closest to the sun is called the