BIG 38 FOR THE WEAPON​

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?