16. You have 2 beakers: one contains 30 g of water (1) at 60°C & the other has 30 g of ethyl alcohol (1) at 60°C. How many Joules of heat is required to heat each beaker up to 85 °C?
(Specific heat of alcohol: 2.44 J/(g*°C), Boiling point = 78.4 °C, Latent heat of Vap, = 841 J/g)

Make a phase change diagrams for each substance

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the