Out of ammonia (molecular mass 17 g ) and helium (mass 4 g ) which one diffuses faster?

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

What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride

Amedication is given at a dosage of 3.000 mg of medication per kg of body weight. if 0.1500 g of medication is given, then what was the patient's weight in pounds (lbs)? there are 453.59g in 1 lb.