A sample of gas at STP is in a 3.5 L container with a moveable piston. What is the new volume if the pressure is changed to 2.5 atm and the temperature rises to 300. K?

219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.

How many atoms are there in 5.70 mol of mg

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces