A sample of di nitrogen tetroxide into (N2O4) gas occupies 144 L at STP. How many moles of nitrogen are present in this sample?

Iwill give extra points to who gets this right

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?