From the equation: 2KI(aq)+1Pb(NO3)2(aq)=2KNO3(aq)+1Pb I2(s) If 0.455 moles of potassium iodide (KI) react, what mass of lead (II) iodide (PbI2) will be produced?

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid