Final answer:
The amount of heat required to condense a gas to a liquid can be calculated using the formula Q = m * L, where Q is the heat, m is the mass of the substance, and L is the latent heat of vaporization. In the case of evaporating liquid ammonia, the heat required can be calculated using the equation Q = m * L, where m is the mass of ammonia and L is its enthalpy of vaporization.
Step-by-step explanation:
When a gas condenses to a liquid, heat needs to be removed. The amount of heat required to condense a gas to a liquid can be calculated using the formula Q = m * L, where Q is the heat, m is the mass of the substance, and L is the latent heat of vaporization. In the case of evaporating liquid ammonia, the heat required can be calculated using the equation Q = m * L, where m is the mass of ammonia and L is its enthalpy of vaporization.
First, convert the mass of ammonia from grams to moles using its molar mass. Then, use the equation Q = n * L, where n is the number of moles of ammonia and L is its enthalpy of vaporization. Substitute the values and calculate the required heat.
Q = (mass of ammonia in g / molar mass of ammonia) * L