A mixture containing 3.7 moles of NO and 0.88 mole of CO2 was allowed to react in a flask at a certain temperature according to the equation NO(g) + CO2(g) ⇆ NO2(g) + CO(g) At equilibrium, 0.15 mole of CO2 was present. Calculate the equilibrium constant Kc of this reaction.

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

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.

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?