The equilibrium system n2o4(g) 2no2(g) was established in a 1.00 liter vessel. upon analysis the following information was found: [no2] = 0.5 m; [n2o4] = 0.025 m. calculate the numerical value for the keq of the n2o4 2no2 system.

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

What is the independent variable in this investigation? mass volume sample number substance density