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If I have a .01 moles of H2P04 buffer in 40mL of solution at pH =6.5, Explain what should the pH be after I add 1mL of 1M HCl?
A 247-ln fullback runs the 40-yd dash at a speed of 19.99 +/- 0.10 mi/h and has a wavelength of 7.79E-37. What is the uncertainty in his position based on the de Broglie wavelength
A compound contains only nitrogen and hydrogen and is 87.4% nitrogen by mass. A gaseous sample of the compound has a density of 0.925 g/L at 690 torr and 110 C.
give a theoretical explanation for the difference between the boiling point of propane and wax. describe and explain the relationship between the size of hydrocarbon molecules and their boiling point
You performed these reactions in an acidic solution(diluting with 0.1MHNO3). This is because iron forms an insoluble hydroxide even when these solutions do not contain excess hydroxide ion (i.e. even in slightly acidic solutions)
Order the following compounds according to their expected lattice energies- LiBr, CaO, MgBr2, AlBr3
Suppose a mixture of helium and neon gases is collected over water at 28.0°C and 745 mmHg. Explain if the partial pres- sure of helium is 368 mmHg, Explain what is the partial pres- sure of neon and vapor pressure of water at 28°C 5 28.3 mmHg.
Use your measured conductances for 0.025 M KCl and 0.025 M KNO3 to predict which of the following solutions has the larger conductance: 0.1 M NaCl or 0.1 M NaNO3. Explain.
Using formal charges, draw the resonance form from among all the Lewis structures that is most important in describing BeCl2.
Calculate the solubility of MnOH2 in grams per liter when buffered at pH=7.0 and pH=9.8 and pH=11.6
How many grams of solid barium sulfate form when 21.9 mL of 0.160 M barium chloride reacts with 66.8 mL of 0.055 M sodium sulfate. Aqueous sodium chloride is the other product.
Calculate the amount of heat needed to convert 96 g of ice at -24C to water at 28C. The specific heat capacity of H2O(s) is 2.1J/g*C.
Explain how many moles of H2O much water is formed. Define what are the total pressure as well as the partial pressure of each gas after the reaction
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