if the system initially contains 1.5 mol H2 for each mole of acetaldehyde, what is the compositionof the system at equilibrium

What is the most important factor in determining climates.

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied

What items could scientists use to date a layer of rock