What is the boiling point of a solution
What is the boiling point of a solution made by adding 6.79 g of magnesium chloride to 242.0 g of water?
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Calculate delta Ssurr for the following reactions at 29 degrees celcius and 1 atm. C3H8(g) + 5O2(g) and 3CO2(g) + 4H2O(l) delta H = -221 kJ b.
Calculate the theoretical yield of C2H5Cl when 106 g of C2H6 reacts with 236 g of Cl2 assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
Calculate the number of vacancies per cubic meter in gold at 900°C. The energy for vacancy formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3 (at 900°C) and 196.9 g/mol, respectively.
How does the PLC execute a ladder program? What is a "program scan"? How is the problem-solving process different when programming in assembly language versus programming in ladder logic?
A river has a current with a velocity of 1.5 m/s due east. A boat whose speed in still water is 5 m/s directed north a cross a 100 m wide river. with what speed will the boat cross the river?
The temperature of the resulting solution increased to 35 degrees C. How much heat is in kilojoules was released by this reaction?
What is the volume, in liters, of 0.100 g of C2H2F4 vapor at 0.0928 atm and 22.3°C?
The atomic weight of a newly discovered el- ement is 10.600 amu. It has two naturally occuring isotopes. One has a mass of 10.000 and a natural abundance of 70.000%. What is the isotopic mass of the other isotope?
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Identify problems and concerns that contributed to the many race-related protests and unrest during the 2020 year.
Jane is doing a study about tattoos. She is interested in studying the idea of the "tramp stamp" (a tattoo in the small of a woman's back).