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A microwave oven operates at 2.40 GHz. What is the wavelength of the radiation produced by this appliance? in nano meters
A 24.0 mL soluton of 0.105 M CH3COOH is titrated with a 0.210 M KOH solution. Calculate the pH after the following additions of the KOH solution:
35 mL air sample collected at 31 C has a pressure of 575 torr. What pressure will the air exert if it is allowed to expand to 476 mL at 56 ? C? Answer in units of torr.
Compound A has the molecular formula C14H25Br and was obtained by reaction of sodium acetylide with 1,12-dibromododecane. On treatment of compound A with sodium amide, it was converted to compound B (C14H24).
what are the names of the quantity measured by each of seven SI base units and the SI symbols of the unit?
determine the minimum concentration of the percipitation the cation from the solution of the left. 0.035 M BaNO3; Naf.
Predict whether zinc and silver react with 1 M sulphuric acid to give out hydrogen or not. Given that the standard potentials of zinc
standard-state free energy of formation data to calculate the acid-dissociation equilibrium constant
How many grams of chlorine gas must be reacted with excess sodium iodide if 20.0 moles of sodium chloride are needed?
The dipole moment, meu, of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1%. Estimate the bond length of the H-Br bond in picometers.
Phosphorus is combined with chlorine to give PClz a gaseous compound .calculate the value of z If you start with 2.097g of P and isolate 9.298g of PCLz .
How much heat is required to raise the temperature of 5.5 x 10^2 g of aluminum by 10°C?
Consider one mole of a monatomic ideal gas at 300 K that undergoes a free expansion from a volume of 1 m^3 to 10 m^3. a) How much does the chemical potential of each molecule in a gas change?
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