250 mL of water is collected during a combustion reaction. The temperature in the room is 23 °C and the pressure is 105 kPa. How many moles of water was collected?

Why is nh3 classified as a polar molecule

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.