A student mixes 1.0 L of water at 40oC with 1.0 L of ethyl alcohol at 20oC. Assuming that no heat is lost to the container or the surroundings, what is the final temperature of the mixture?
Answer to relevant QuestionsWe all have had the experience that a room full of people always feels warmer than when the room is empty. Ten people are in a 4.0 m x 6.0 m x 3.0 m room at 20oC. If each person gives off heat at a rate of about 100 W and ...An artist wants to melt some lead to make a statue. How much heat must be added to 0.75 kg of lead at 20oC to cause it to melt completely? How much ice (at 0oC) must be added to 0.500 kg of water at 100 oC in a 0.200-kg aluminum calorimeter cup to end up with all liquid at 20 oC? In an experiment, a 0.150-kg piece of a ceramic material at 20oC is placed in liquid nitrogen at its boiling point to cool in a perfectly insulated flask, which allows the gaseous N2 to immediately escape. How many liters of ...A copper teakettle has a circular bottom 30.0 cm in diameter that has a uniform thickness of 2.50 mm. It sits on a burner whose temperature is 150 oC. (a) If the teakettle is full of boiling water, what is the rate of heat ...
Post your question