Sample of methane gas, CH4, occupies a volume of 49.0 L at a pressure of 6.12atm. what volume will the gas occupy if the pressure is lowered to 3.04

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

If i add water to oil what will happen

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.