Please help me thanks so much.I’ll mark you?!?!:) ( 32 points)

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

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)