Butanoic acid, ch3ch2ch2cooh, is a weak acid and ethylamine, ch3ch2nh2, is a weak base. Explain why butanoic acid is a liquid at room temperature while ethylamine is a gas at room temperature.

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