1. The human eye can detect wavelengths of light as short as 0.000037 cm. What is this wavelength in nanometers?

Calculate the number of molecules present in 0.750 mol of mgo.

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag