Fifty grams (50.0) of hot water at a temperature of 65.0°C is mixed with 40.0 grams of cold water. The final temperature of the mixture is 45.0°C.
a. How much heat energy did the hot water lose?
b. How much heat energy did the cold water gain?
c. What was the initial temperature of the cold water?

pie chart because it is in percents ( % )

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".

може ли да зареждате повече информация, моля