How would you prepare 50.0 ml of 0.600 m hno3 from a stock solution of 4.00 m hno3? what volume (in ml) of the 4.00 m hno3 solution will you need?

How many moles are in 43.9 l of oxygen

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.