A precipitation reaction occurs when 675 mL of 0.867 M Pb(NO,), rencts with 527 mL of 0.961 M KI, as shown by the following equation. Pb(NO3)2(aq) + 2 Kl(aq) – PbI2(s) + 2 KNO3 (ag) what is the limiting reactant and theoretical yield for PbI2

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Which of the following are correct values for the ideal gas laws constant r