Consider the following equations. N2O4 (g) <= > 2NO2(g) ΔH = + 92 KJ What happens to the shifts with the changes below 1.[N2O4] is increased = 2.[NO2] is increased = 3.Temp is increased = 4.[N2O4] is decreased = 5.[NO2] is decreased =

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

State one important difference between a physical change and a chemical change?

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.