It’s a simple question in Welding when you use a torch if you add a lot of oxygen to the fuel what happens does it burn faster or what I want to know

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold