Identify the combustion reaction.
a) al 2s 3 — 2a1 + 35

b) 2h 2 + o2 – 2h 20
c) c12 + 2kbr — 2kci + br2
d) c4h 12 + 70 2 - 6h 20 + 4co 2

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

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)

All of the following are part of the biosphere except