Answer:
A. Engineers come up with scientific questions when they are developing their design, and scientists do research to answer them.
4Ag + 2H2S + O2 -> 2Ag2S + 2H20 i’m pretty sure that’s correct
Answer:
C
Explanation:
The net force is the total of the forces and if forces are opposing you would subtract the lesser from the greater thus giving you the remaining force.
Answer:
For oxygen: mass % O = (mass of 1 mol of oxygen/mass of 1 mol of CO2) x 100. mass % O = (32.00 g / 44.01 g) x 100. mass % O = 72.71 %
Explanation:
