What volume of oxygen (in L) is produced from the complete reaction of 147.1 g of
lead(II) nitrate at STP?

2Pb(NO3)2(g) → 2Pb0 s) + 4NO2(g) + O2(g)

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

What mass of glucose is produced when 54g of water react with carbon dioxide

Which of the following molecules is polar? c3h7oh c2h5cooh