Assuming ideal gas behaviour, what would be the density of gaseous hydrogen selenide (H2Se) at 26 °C and 766 mmHg?

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

Name the intersection of plane bpq and plane cpq.

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these