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A proton in a linear accelerator has a de Broglie wavelength of 138 pm. What is the speed of the proton?
Compute the final temperature of the solution assuming no heat lost to the surroundings .the solution has a specific heat capacity =4.18 J/°C·?
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the reaction:
find the volume of a molar solution.1.what volume of 0.185 molar nitric acid hno3 is required to react with 12.61g of
The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 C The specific heats of C2Cl3F3(l) and C2Cl3F3(g) are 0.91 J/g-K and 0.67 J/g-K, respectively.
A person ate 0.516 pound of cheese (an energy intake of 4130 kJ). Suppose that none of the energy was stored in his body. What mass (in grams) of water would he need to perspire in order to maintain his original temperature? (It takes 44.0 kJ to v..
calculate the molality of a solution prepared by dissolving 19.9 grams of KCl in 750.0 mL of water
If the vapor pressure of ethyl ether and ethyl alcohol at 20°C are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20°C
A closed vessel contains moist air at 20 degree celcius, the relative humidity being 30 %. What would be the relative humidity become if the vessel were cooled to 10 degree celcius?
hydrochloric acid reacts with aluminum to form aluminum chloride and gseous hydrogen. whats the mass of aluminum
What gas was evolved when you treated the acetone-bisulfite addition compound with hydrochloric acid?
Above what Fe2 concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 9.39? The Ksp of Fe(OH)2 is 4.87×10-17
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure.
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