A 100.- gram sample of liquid water is heated from 20.0* C to 50.0 * C. Enough KCIO3(s) is dissolved in the sample of water at 50.0*C to form a saturated solution. Determine the vapor pressure of the water sample at its initial temperature.

Aluminum–lithium (al-li) alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. a commercial aircraft skin material having a density of 2.47 g/cm3 is desired. compute the concentration of li (in wt%) that is required.

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?