I need help with this question please
Chemistry

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

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