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If 75g of sodium bromide (NaBr) is dissolved in enough water to make 1500mL of solution, what is the molarity of the solution in moles/liter?
Calculate [Ag+] when a precipitate first appears and identify the precipitate. The Ksp values for AgCl(s) and Ag2CrO4(s) are 1.8×10?10 and 1.1×10?12, respectively. (b) Calculate [Cl? ] and [CrO42? ]
Calculate the molar mass of a gas that has a density of 0.605 g/L at 229 degrees Celsius and 499 torr. Use R = 0.0821 L-atm/mol-K for the value of the gas constant.
What is the partial pressure of O2 (in millimeters of Hg) in a hyperbaric chamber pressurized to 5 atm with air that is 18% in
The Henry's law constant for N2 in water at 37 °C is 8.2 × 10-7 M/mm Hg. What is the equilibrium concentration of N2 in water when the partial pressure of N2 is 605 mm Hg
calculate the number of grams of xenon in 3.940 g of the compound xenon tetrafluoride. In grams please.
How many hydrogen atoms are in an unbranched alkene with one double bond and 3 Carbon atoms
Heat realsed by combustion of ethyl ether, 1. In earlier times, ethyl ether was commonly used as an anesthetic. It is, however, highly flammable. When 5.0 mL of ethyl ether C4H10 (l), (d=0.714 g/mL) is burned in a bomb calorimeter
A student must make a five-fold dilution of a 2.15 M HCl solution. If the student wishes to make 75.0 mL of the diluted solution, what volume of the 2.15 M soltution will he need to dilute
What is the cruising range (in miles) of the automobile on a full tank, assuming all the energy is transferred to the wheels? If the actual cruising range is 732 km, what is the efficiency of the engine?
Write the equilibrium expression for this weak acid dissociating in water? b. What is the pH of the solution after it had reached equilibrium
Question- Consider a single photon with a wavelength of a frequency of and energy of E. What are the wavelength, frequency, and energy of a pulse of light containing 100 of these photons
Explain while X rays of wavelength 0.093 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2°. Explain what is the distance between the layers of atoms responsible for the diffraction
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