Which of the following numbers will produce the same number when rounded to two significant figures? (2.3)

2.12
2.10
2.04
2.16

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

Right anwser gets marked brainliest newton's discovery concerning how fast an object will change speed is the: 1st law 2nd law 3rd law universal gravitation

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.