Which hybrid orbitals would be formed if one s orbital and three p orbitals combined? sp sp2 sp3 sp4

Which of these reactions are redox reactions? check all that apply.cd + hcl → cdcl2  + h2cucl2  + na2s → 2nacl + cuscaco3  → cao + co2          2zns + 3o2  → 2zno + 2so2          ch4  + 2o2  → co2  + 2h2o

The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same