How many ml of ethyl alcohol is present in a 200 ml bottle of 70% rubbing alcohol

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?

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

If maltose undergoes hydrolysis what subunits does it results to?